Best ls3 heads for boost. Engines best suited for: 6.

• Best ls3 heads for boost 7 **Half Mile: 168. I've been planning my cam only install w/ the supporting mods. Our best-selling cylinder head is the LSW-12-1. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. Sale! [Editor’s Note: This L33 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. If you are looking for LS3 heads, Allied Motor Parts is Many hours of R&D have gone into the development of this powerful LS3 CNC program. The F-body 5. Best 6. 3:1 with only 6 psi of boost, and to more than 15. 2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. My understanding is that the ls9 head has even more LZ1 heads can be CNC-ported to improve on flow and milled for higher compression. Save Share I'm going to build this the best I can and in the end hope it runs as good as stock 48s nova LS3 heads max power with boost? Use the LSA head, it's not much more, and it'll hold down the best with 4 bolts. Cast manifold with carb. There's a certain point you'd want a real head. the 243s are an ls6 head and the l92s came on ls3 or newer 6. The heads are rectangular port, so all of the LS3 LS3 Torq-R Cylinder Heads (SET) $ 2,304. Like the title says, what plugs are you all using for the LS3? I used NGK TR55 IX Iridium plugs on my previous LS2, and was very satisfied. Soon I will have a full exhaust, CAI, and tune installed on my 2008 C6. The LS heads can be finsiged to either LS3 or LS7 ports. $ 3,200. The new PRC as-cast intake port has been flow bench tested to flow 369 CFM & can support everything from smaller camshaft street engines all the way to all out race engines. LS3 and LS9 blocks can use LS1, LS6, LS2, LS3, or LS9 heads. But I haven't seen a whole lot of recent information on the topic. $4,778. H/C/I are a lot more common on LS7 because of their existing head issues. However, it isn’t necessarily a platform that needs an upgrade to support high-horsepower outputs. The LS2/3 are better if building from scratch for a swap because you start with a 4" Rectangular port heads boast a clear advantage in the flow department and are ideal for high-RPM, big-cubic-inch, and purpose-built drag racing applications. 575" valves, a competitors 225's with If you go with a normal 6. 170 cfm . Exhaust Flow . Find Trick Flow® GenX® 255 Cylinder Heads for GM LS3 and get Trick Flow Makes Serious Horsepower! Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create the ultimate square port LS cylinder head for 4. Get the 60cc heads and enjoy the compression boost. (Bill specifically requested a regular Yates style port, no fancy tricks. Most 6. A high-flowing induction system will have less restriction, which results in lower boost levels of a more restrictive induction combination at comparable horsepower levels. I know there are more expensive heads out there but these 2 seem to be the best bang for the buck. I like to consult with customers via phone to help match heads/cam with driving style and your goals with the car. Both the Monster and Boost Monster fit all standard equipment such as valve covers, headers, LS3 Intakes, and OEM-type LS3 rocker arms. 040 inches to fit the seats. 3 aluminum block L33 High performance premium cylinder heads and components for LS & LT applications. 624 lift split, a 231/247-degree duration split, and 113-degree lsa. The LS3, LS9, and L92 heads are “as-cast” heads, with intake and exhaust ports and combustion chambers shaped during the precision casting process. We put them on the flow bench next to a set of OEM LS7 heads and a set of Mast Black Label heads. 0-liter “317” and LS6 “243” (or “799”) castings are pushed to their limit with the largest stainless-steel valves possible, which are ideal for 4-inch bores. For this reason, many elect to go with aftermarket cathedral port heads and aftermarket intake. The cathedral ports are from Brodix castings with 13. Designed to deliver 530-550 horsepower total, this kit is ideal for enthusiasts looking Initially, we chose the Stage 4 LS3 cam to ensure adequate piston-to-valve clearance and to work with the LS3-style heads. 649/. The best LS cylinder heads are made from high-quality aluminum and feature some of the most advanced port designs available. Lightweight hollow-stem LS3 valves will drop right in. If you are looking for more power and better C6 Forced Induction/Nitrous - LS2 vs LS3 top end for boost? - Hi everyone! I have a forged LS2 with stock LS2 heads and a ported LS2 intake. Bare Cylinder Heads. Yes, I have done a good C6 Forced Induction/Nitrous - Best LS3 long block set up for boost - I am looking for opinions on who builds the best LS3 all aluminum long block shet up for a procharger. What advance are you guys seeing for e85? Have been told 21-23 is safe. WHO HAS THE BEST? I AM AFTER MAX HP WITH ALL STOCK COMPONENTS. Featured in the 2005-2007 Corvette, SSR, Trailblazer SS, and Pontiac GTO, among others, the LS2 has been a popular choice for drag racers and road racers for many years. 03 bore X 4. I'm wondering if I can use the new generation iron block. 0l comes with 317s which are the same as 243s just with a larger combustion chamber. Intro to L92 Engines. LS3 not so much. 617/. I know this subject has been discussed over and over, seen most, if not all related threads. HOW TO SWAP LS3 HEADS. 9L Whipple, twin-screw supercharger. 2L aluminum-block [Editor’s Note: This L33 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. I'm with Boost on this. The LS3 ports we use are AFR, 6-bolt, 12-degree valve angle castings. 0L block try to get a 04-up block so you can get the all-short head bolts. With the TEA heads and Texas Speed cam upgrade, the LS3 really came alive. Definitely worth it on the LS7. Packages / 2005-2013 Corvette (C6) / Cam Packages GPI – MAX Performance Package 2. The combustion chambers are sized at 69 cc, and the intakes are 255 cc, so this is really tuned for big-inch or high-performance LSs. 5 psi) at the power peak, but even with that difference in boost, the 706 head still offered brodix cylinder heads - ls3 - bp br3 - 280cc - cnc ported - 71cc chamber - 6 bolt - assembled - 1173100 . If you are looking for more power and better Just out of curiosity as I am finishing up some pieces for a whipple ls3 camaro. The aftermarket heads come in as raw porter castings into which we machine our desired combustion chamber and port. Texas Speed Dual Spring Cam Package for Rectangular Port Heads (LS3/L92/LSA/L76) Ive read and read and read and just cant seem to find what the best head for a lm7 5. I'd do a search and see what combo guys What stock casting would be best suited for my 3. Other Variables in Comparing Single & Twin Turbo Setups. 8. if you want to use boost use them. 5 degree valve angles. The numbers, while better then the OEM heads by a decent amount, were really close. Leave a Reply Cancel reply. 125 bore, 4. 8 with 17# 2012 Camaro Inferno Orange M6 LS3 w/ stuff. We’ve got a retro series for the LS3 and the LS7, which is a direct bolt-on replacement for those applications, and then we go into the LSW-12-1, 12-3 and 12-4. However, aftermarket castings boast designs more suitable for both more The all new PRC aftermarket casting LS3 heads are the perfect option for customers looking for the ultimate in LS3/L99/L92 cylinder head technology The 13-degree valve angle will allow for the ability to run more compression and larger camshafts thanks to additional piston-to-valve clearance!! Lift. bore. t 10. 400" 282 cfm. which can only be overhoned . $929. Home; Search by Make. UP TO 35% OFF - OUR HOLIDAY SALE IS LIVE - ALL ORDERS $500+ GET A FREE GIFT WHILE SUPPLIES LAST! 512-863-0900. 2L Chevy LS3 Supercharger Upgrades The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. The L99 and LS3 heads have rectangle intake ports. If you’re trying to make anywhere from 2,500-4,000 horsepower with an LS-based engine, All Pro’s 12-5 heads are what you need to get the job done. Reviews. I know with the l92/ls3 heads and the hot cam it should be very close to 500hp. Some of the key players in this equation include a factory LSA crankshaft, LS3 CNCed cylinder heads with ported intake runners, and a Comp Cams LSR roller camshaft with . I would either modify a cathedral port head, with a heavy exhaust bias, or I might take an aftermarket LS3 casting, remove the seats, go back with a smaller intake and a larger exhaust, then modify the heads as needed to make that work. 3 into a 1000+ horsepower capable monster! With several choices available in this kit, we can accomodate Yet another option is bolting on LS3 heads, rockers, intake, and fuel rails. Add to Cart You can have the best flowing heads, the wildest cam profile, or even the h. Intake Flow . Previous. The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. 0 testing was at 11. Factory square port heads and even an LS3 intake/TB would probably get you to 1200. Additional mods included 85-pound FAST (LS3) injectors, the Big Mouth, 102mm throttle body and a Holley Dominator EFI system. Cylinder heads affect naturally-aspirated No boost at least not for the foreseeable future. 0:1 can rise to an effective ratio of 11. No need for iridium, but no harm in doing so either, especially if plug access is difficult for making regular changes. C6 Tech/Performance - Which Cometic gaskets for LS3? - Just bought an LS3 crate motor to replace my blown-up LS1. Ports look awesome. brodix cylinder heads - ls3 - br3 Factory iron block and crank. They are usually bought by our customers who want every single last HP they can get. 30. Great cylinder head airflow has always The cylinder heads are Prestige Motorsports’ own castings. All 862 heads do offer some benefits over stock cylinder heads, such as being more durable and less prone to cracking. The motor is a 6. We recently dyno'd a stock cube LS3 with Fitech controlling it on 91 pump gas. Good rods and pistons. The factory LS3 intake manifold is much better than even the coveted LS6 so that alone almost makes the swap to 821/823 heads worth it. 97 Camaro Project Six [Editor’s Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. Between the light valves and better springs, the engines will pull cleanly to 7000 rpm. Any good aftermarket casting is better than a stocker. The 5. Undecided weather to have a 416 stroked LS3 built or do an LS3 heads cam and setup for FI setup. Excellent performing heads, the best you can buy, but they do carry a premium tag. The Stage 4 LS3 cam is designed for un-milled heads. Cylinder Heads; Air Flow Research Cylinder Heads; TFS Cylinder Heads - Chevy LS3 / LS7; TFS Cylinder Heads - Small Block Chevy. Designed to deliver 530-550 horsepower total, this kit is ideal for enthusiasts looking My combo is not atypical - aluminum 5. Lightweight hollow stem LS3 LS3/L92 Cylinder Head Porting Service – Customer Supplied Heads. The stock heads can be CNC-ported for more airflow. add to cart . 624-inch lift and 281/297-degree duration, which is designed to make power in the 2,000 However, if you plan on using boost or nitrous, get Forged Connecting Rods. For example, dyno testing on an LM7 5. Castings: 6 Bolt Head; 0. But then came the LS3 heads, which proved even better than the LS2s. They are CNC-machined throughout for maximum flow. They should also have larger intake and exhaust valves, lightweight valvetrain components, WHAT ARE THE BEST BOLT-ON MODS FOR A 6. 575/. I run stock 5. 0L chosen for this test was a 2008 LY6. Contact Us For A Quote) Write a Review The head studs were used to secure the Fel-Pro MLS head gaskets, an important consideration given the boost and power level run during the cam test. 115 cfm . Even though it is cast, the crankshaft can handle about 900 hp. What's the PSI and realistic expectations? There's someone probably doing what your wanting for boost PSI using Factory casting heads. These performance upgrades increased the output of the LS3 to 574 hp at 6,300 rpm and 520 lb-ft of torque at 5,300 rpm. As with the GMPP CNC heads, the ProComp heads were run When we selected parts for the build we had two main priorities: high-end power, and durability. Of course the crowning glory was the 2. They’re also designed to clear the LS3’s true flat-top pistons with minimum hassle. For a primer on the entire LS engine The flow data below shows the superior performance of the PRC LS3 and L92 cylinder heads! Lift: Intake Flow . Any help would be appreciated I have AFR Mongoose heads on my stroked LS3 and Texas Speed PRC heads on my H/C LS3. Find Chevrolet Performance LS3 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Fit any LS engine with Chevrolet Performance LS3 cylinder heads.  One of our most exciting additions to the range is the LSX 6 Bolt LS3 280cc Cylinder Heads. 0 (LS3 & L99) Rated 5. 700 lift. From what I read ls3 have one of the best flowing heads and intake I made 1200whp on my TT ls3 with stock heads (not stock valve train) and stock intake manifold Reply Like The LS3 heads from ProComp Motorsports featured 274cc intake ports, 70cc combustion chambers and a 2. 3's flow 312 cfm and with a properly matched cam would yield great results. Higher boost levels (30psi+). 0L LS2 small-block V8 is one of the most reliable power plants for starting a build. Unlike factory cathedral-port applications, LS3 engines were blessed with hig We find out which factory LS head works best under boost in this back-to-back test of the 706 heads vs. For a street car. 125 rods, Gmpp 6 bolt ls3 cylinder heads, Paxton supercharger running 12psi boost, 273:1 rear end, runs on 93 or e85 with methanol, has a 6l80e transmission, circle d 3200 stall, currently has a Texas speed cam 243/255 lift . 8 LS could be had with one of three cylinder heads: 706 heads, 862 heads, or 799 heads. 3L engines using 706 heads takes into account various factors. The LS3 and more notably the LS7 are deep breathers – the cylinder heads boast extremely good airflow for factory components. [Editor’s Note: This LSA engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. Capable for well over 1000hp with a supporting engine and drivetrain, The BoostDistrict 2650 will definitely cover your craved power needs with its potential. 890 intake valves. 020, me I bought a new block about $1400, new Heads CNC ported $1400, The LS engine is known for its cylinder heads, and there are tons of options available to upgrade the factory components. If you are looking for more power and better My Mustang is 3100# with me in it and I have a stock bottom end 364 with untouched LS3 heads, Vic Jr, Pro Systems 950, 1 7/8 headers, TH350 the LS3 top end had a stock LS3 intake. Great cylinder head airflow has always FED M311 LS3/LSA Monster Cylinder Heads Fully CNC ported, 72cc chamber volume 273cc intake port, 112cc exhaust port and 11° valve angle High Quality Components: Black Nitride Stainless Steel Severe Duty Valves Custom PAC . Upgrading LY5 Cylinder Heads. The Benefits Of Using LS3 Heads In Your Vehicle. 3L and 6. Now would it be better just doing a port and polish and ls6 valve springs ? or get a set of 243/799 and milling them down to keep the right compression ratio. Trick Flow Heads are one of the best US designed bolt-on mods to increase performance while maintaining reliability both on and off the track. The LS7 blocks can accept any LS head. 0 iron block stroked to 408. 96) SKU: FED113002BM We source the best available components for our Products and perform quality control checks, . Some of those heads will exceed 3,000 horsepower. Rating * Name Email * Review Subject * Comments * Current Stock FED M311 LS3/LSA BOOST Monster Cylinder Heads. The lighter hollow stem valves used in the LS3 can be installed in L99 heads to increase The “Gate Keeper” of all aftermarket LS3 heads, naturally aspirated and boosted applications up to 1000hp (with tuning and supported modifications). Engine and combustion chamber design make a big difference on the best timing Frankenstein Engine Dynamics F310H 285cc LS3 Rectangle Cylinder Heads (set) - HR - Complete $5,299. 000 in. Much harder material. You can have the best flowing heads, the wildest cam profile, or even the h. 5 boost. 17low boost 172 best mph We recently released our latest range of cylinder heads for the LSX engines. High performance LS3 cylinder heads, We source the best available components for our Products and perform quality control checks, M311 273cc Boost Monster (LS3) 11deg. 0L truck engines came with cathedral-port heads. 2 (Equipped with Rectangular Port Heads) Desired Compression ratio for cam: 10. I am very conservative but so far best we have ran is 5. News. 2L LS3 OR L92? WHEN IT COMES TO AN LS, ESPECIALLY AS LS3 OR L92, THE ANSWER IS ALWAYS A CAM SWAP! ACTUALLY, THE ANSWER Bare Cylinder Heads With Valves. Still using the stock LS2 heads that I had ported, upgraded valves & a few other tweaks. 3 for the money. 115-inch these should yield us a 10. 0 motor. Factory I would go for the ls9 heads or PRC ls3 heads. 0-liter heads are ideal for strokers and boost, meanwhile the LS6 heads are best suited for naturally aspirated and nitrous setups. 0:1 compression and 6-bolt cylinder heads for 15 pounds of boost. 2 LS3 415 Stroker Kits on-line. HOW TO MAKE MORE LS3 POWER. Built for “plus sized” units with higher compression applications (13:1+). 5:1 on a 4. LS3 heads are already great. Valves. The L94 cylinder heads are similar to the LS3 heads except they used a heavier solid stem intake valve. 00 Current price is: $3,200. The valves for the heads are sized at 2. Check out the below highlights of the Monster Series cylinder heads: M311 - (LS3 11°) 273cc rectangle port cylinder heads. The Gen. Because they needed to be compatible with E85 fuel, GM upgraded materials with SIL-1 nitride intake valves and Brico 3010 valve seats standard. One of the primary benefits is the increase in horsepower. I am starting the process of building my stock LS3 for boost (Specifically my Magnuson Heartbeat Supercharger). The valves are shrouded on a 4. Modular Hubs for the pullies will LS2 & later coils (LS2, LS3, LS4, LS7 and same gen truck 10. Factory castings are capable of 360 to 400 cfm when ported properly, which can make it difficult to justify an aftermarket casting. FED M311 LS3/LSA Monster Cylinder Heads. We’ve got LS3-style replacements. 3 truck parts (good rods and pistons) with cast manifolds and an 80mm turbo, and a comfortable tune up (with room to grow ) is at 1000 Heads & Cam Packages. 00 stroke, 6. The LS3 heads will fit on any LS block with a minimum 4. Despite running just on the wastegate springs, the boost with the 706 heads was down slightly (by 0. It's probably going to be a 408 with 20-25 psi via a turbo and 1000 rwhp. Frankenstein LSA/LS3 M311 6 Bolt Heads. for more compression. Trying to get closer to 130 traps. LS3 lightweight, hollow stem intake valves can be cut to fit the seats, and better valve springs are a necessity for high RPM. ]. Reply. This camshaft is an ideal choice for max-effort supercharged LS3/LSA engines running 15+ psi of boost! Designed for LS3/LSA M6 cars or automatic cars with 2800 RPM or (if applicable). 1 stroke with hp goal of 760 na. 198 cfm . C6 Forced Induction/Nitrous - Best LS3 long block set up for boost - I am looking for opinions on who builds the best LS3 all aluminum long block shet up for a procharger. I really like my prc ls3 heads. CYLINDER HEADS & ROCKER ARMS. Anybody got a recommendation as to Cometic part numbers? Anyone know what the piston-to-deck measurement is BOOSTED 5. The extra power, too, created more significant backpressure. While the LS3 cylinder head already has impressive flow numbers in stock form, ported heads can boost performance by tens of horsepower. PRC LS3 260cc CNC Rectangle Port Cylinder Heads. Casting number 862 or 706 heads were used and sported a 61cc chamber but had tiny 1. You could even send your stock heads to them and they'll CNC P&P, do a valve job, and mill for a decent price. 3, 243 heads, BTR stage 2 turbo cam, 85/102 T6 journal bearing turbo on Ethanol- budget build obviously. 3L, our concern for matching the cam profile with the respective port style seemed all but unwarranted. 96 Original price was: $3,599. Your email address will Our “All The Boost” stroker kit contains the best of the best when it comes to the rotating assembly. This is with a pair of our 83mm turbos, not 88s or 94s. 25-JELS3BoostDropIn TSP H-Beam Rod and JE LS3 Boost Drop In Piston Combo - No Balance w/ LS3 Crank . The LS6 is a Gen III, 5. Frankenstein M311 Boost Monster (LS3) 11deg. We then milled a set of our GPI Stay with a long runner plastic manifold if you want the best low end power curve, our ported LS3 intake etc. They fuck with flow when you are trying to make big power. The LS3 was the aluminum block 426-436 hp 6. Fits 2007-Newer Rectangle Port LS-Based 6. We recommend this camshaft for LS3, LSA, or LS2 engines using L92/LS3 rectangle port cylinder heads! Engines best suited for: 6. 41/ best mph 138. Engine rpm: When using stock cast pistons, the engine should be limited to a maximum of 4,500-5,000 rpm. 7 LS1 horsepower varied from 305-345 depending upon model year and trim level with the Camaro I think it was Louis from LG that took some stock GM casting heads and cut through them. Thanks for reply, this combo is in car running now. to fit the seats. 005 bore and 70cc head chambers, this kit it capable of 2000hp + Upgrading the LS3 engine exhaust offers several significant advantages that can enhance your vehicle’s performance and driving experience. With stout flow numbers and an efficient port shape, the LME CNC ported LS3 offering is truly bolt on performance. 300" 223 cfm. This combination utilizes the industry leading Dart LS Next SHP block, all forged internals, and 9. Add a boost-friendly static compression ratio of 9. 3 apparently lends itself to being the best LS-ish stock bottom end for boost. It was a huge boost in power and torque from the patriot LS6 heads and typhoon Same cam and all which IMO probably isn't the best for these heads. I am running no restrictor at 13lbs. C6 Tech/Performance - Max effort LS3. Choose Options. Depends on the casting numbers of the heads you have, but realistically you should just use some 243 heads, I don’t even mess with the others for stock castings, I keep those, true copper seat LS3 heads, and LS7 heads, maybe an occasional big chamber 317 for For example, with a Roots-style supercharger, a static ratio of 8. 030 in. The Cylinder Heads. 165 for the intakes and 1. Selecting the best cam to pair with 5. C5 Forced Induction/Nitrous - best ls coils for boost 6 bolt cathedral port heads with high rise sheet metal intake 127 bosch injectors, tuned for e85 I've made over 1700whp at 32psi through unlocked th400 on q16, and revving to 7800 with standard oe ls3/a/9 coils. However, the LS3 had a 4. 2L LS3 OR L92? WHEN IT COMES TO AN LS, ESPECIALLY AS LS3 OR L92, THE ANSWER IS ALWAYS A CAM SWAP! ACTUALLY, THE ANSWER LS3 heads for boost 5th Gen Camaro SS LS LT General Discussions You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and The Frankinstein heads flowed the best! Hope this helps Attached Images _____ 1,000hp IS NEVER ENOUGH!!! 08-23-2022, 08:43 PM Use what you gotwink wink. 00 out of 5 based on 2 customer ratings Texas Speed LS3 Heads and Cam Package (560-580 HP) Boost your LS3 engine’s performance with this expertly engineered Heads and Cam Power Package, designed to deliver 560-580 horsepower. If I had a choice, I probably wouldn't use LS3 style heads, though I have on a single turbo 6 liter. 125 H-Beam Rods, Best heads for the smaller engines would be PRC from Texas Speed. Upgrading LS3 Cylinder Heads. Their Process: Options/Components: Sold as a Pair. Generally speaking, for street applications running aluminum heads and 92 octane fuel, you should try to keep effective compression to about 12:1 maximum. 0-liter intake, for example, doesn’t fit LS3 heads; and the LS7 intake fits only LS7 heads. 005 bore and 70cc head chambers, this kit it capable of 2000hp + It's difficult to sort through the maze of LS cylinder head offerings when the market is flush with so many choices. HOW MUCH POWER ARE AFR LS3 HEADS WORTH? HOW MUCH POWER ARE TFS LS3 HEADS WORTH? WHO MAKES THE LS guys, I need help picking the best flowing heads out the box for a turbo 6. "CAM ONLY" setup! (LG or SpinMonster) - LG G6X3 cam or SpinMonster's 230XFI /234XER 114+2 for a daily driver w/ good area under the power curve. Also, if you want to have them ported these are the guys to Best heads for the smaller engines would be PRC from Texas Speed. 700” Lift Valve Springs Titanium Retainers O-Ringed Exhaust Ports (Hi-Temp Silicone O-rings Included) Sold Per Set and Assembled Price Designing the best LS3 Head and Cam Package. By improving exhaust flow and reducing back pressure, a better exhaust system allows the engine to breathe more freely, resulting in a noticeable power boost. FED M311 LS3/LSA Monster Cylinder Heads Fully CNC ported, 72cc chamber volume 273cc intake port, 112cc exhaust port and 11° valve angle High Quality Components: Black Nitride Stainless Steel Severe Duty Valves Custom PAC . The cheap-date method for LS owners is to find a 5. 3. No plans on spray yet, would like to keep her n/a for the time being. Besides the 1997-2004 Corvette, where the LS1 engine was rated at 345 hp (stock LS1 horsepower was 350 hp for 01-04 manual trans ‘Vettes), the LS1 can also be found between the front fenders of the 4th Gen F-body Firebird and Camaro from 1998-2002. 00 Add to cart With the TEA heads and Texas Speed cam upgrade, the LS3 really came alive. Toggle menu. 575 220/224 112 LSA cam driveshafts and these brittle D44 IRS rear ends. Would be for a 4. No reason to get new heads that early for another 3k+ and get maybe 15whp. 60 stainless steel valve package. 0 as it already is a 6. As always, I want more LSXceleration XF1 Cathedral Port 255cc/64cc 11° CNC Cylinder Heads - Stainless Intake, Stainless Exh, 0. $3,599. But no matter, your LQ9 is the gold standard of solid GEN 3 builds. i would say are the best lower budget heads from what i understand that came on stock motors. Combined with the smaller bore, the 5. The Texas Speed 370ci LQ9 is set-up with Ls3 heads and boost for my combo. Safe boost range on 317 heads. Drag only car. 055"/1. 600-inch lift. 4 psi High performance premium cylinder heads and components for LS & LT applications. Both are stable to 7,000+ rpm with the lighter LS3 intake valves and quality spring packs. 600 lift. For a primer on the entire LS engine universe, read LS Engines 101: An Introductory Overview of the Gen III/IV LS Engine Family. The increased piston-to-valve clearance was a given but, given the success of the LS3 cam on the cathedral-port 5. The L92 was Small Bore CID LS3 $ 3,875. 3 truck engine in the junkyard then install a cam, springs, and turbo system. The LS7 cylinder head features intake and exhaust ports and The 4. Increase power and flow through your engine with our selection of Frankenstein FED Heads below. “Probably the best power potential to dollar value in LS cylinder heads would have to be the L92/LS3 rectangle port heads,” advised Golen. The L99—introduced for the 2010 Chevy Camaro SS—is also a Gen IV 6. Get either the 5. ## By specifying your cam lift LME will assemble your cylinder heads with the proper spring installed height. 78 on WOT Are LS3 heads good for a boost? Unlike the naturally aspirated engine, however, the LS3 heads produced more power under boost. I just am looking for the best heads for my application with the possibility to grow. With a comp height of 1. But don't worry, most LS heads are so good Upgrading stock heads to 706 heads can result in significant power improvements. The L9H cylinder heads are similar to the LS3 heads except they used a heavier solid stem intake valve. I mounted them on Chevy’s 6. 2L Engines LS3 L99 LSA LS9 L92 L9H L94. Maybe if you found a cheap set of ls9 heads being Boost ready. Trunnion Components. 243's for cath ports and l92s for sqaure ports. 000" and larger bore engines—the Our “All The Boost” stroker kit contains the best of the best when it comes to the rotating assembly. Sale I am torn between AFR 260 and Trick Flow LS3 255 6 bolt heads. High performance premium cylinder heads and components for LS & LT applications. 4 psi and fell to 6. Upgrading L9H Cylinder Heads. 62@126. will ship directly from manufacturer estimated ship date: tbd. 9:1 compression ratio with our LS3 heads. In theory, The 4. . 5" wire)19005218; Melco/Mitsubishi (square, 9. 3-liter engine showed that the 706 heads were worth 20 hp and 15 lb-ft over a pair of 317 heads 1. The cost of FI will probably be more money in the long run as well. 00 – $ 1,758. A 6. They will be going on a 427ci LS w/ a 2650 Magnuson Supercharger. But remember, twin kits require two GT3582s—so right off the bat, boost from the twin turbo setup was more expensive. Sale price From $3,485. Best e. If you look at the fast list on the stock bottom end LS2 Stanger 383 he was running CNC SD performance LS3 heads and a 23X-24X cam The proof is in the pudding so in my opinion I would go with the LS3 heads preferably the 255 trick flows. Several tests in this book were designed to illustrate what happens when you install the right part on the wrong application. 0385954343 PRC LS3 Cylinder Heads | 260cc | CNC Ported | 380+CFM Texas Speed & Performance. Who better to port the factory LS3/L92 heads than GM, or more specifically, GM Performance Parts? With full CNC porting, the GMPP PN 88958698 LS3 heads offered impressive intake Engineered and Machined by FED in the USA. It's Compact design will allow hood clearance on most applications. Upgrading your LS camshaft is one of the most worthwhile and cost-effective upgrades that you can do. Higher rpm (7500+) and/or higher cubic inch builds (427ci+). Transform your GM LS3/L92 cylinder heads into high-performance powerhouses with our professional porting service. 1050cc LS3 injectors paired with higher octane E85 fuel is a good combination for 850+ horsepower LS3s. The stock heads can be CNC ported for more airflow and milled up to . Most heads are swappable but some will reduce power. 42 @ 132. and 7,000 rpm (for a limited time). 0L variants, Rectangular port heads boast a clear advantage in the flow department and are ideal for high-RPM, big-cubic-inch, and purpose-built drag racing applications. 200" 154 cfm. We just can’t seem to leave things alone, The comparative data shown on the CNC ported LS3 heads with the SS4 NFC camshaft was at 10. I think a cam bolt ons Ls3 would make about 470-500. If you are looking for more power and better The 6. 00; FED (YOUTH) Vintage Drag Toon M311 Boost Monster 273cc LS3 Cylinder Head – Impregnated – (set) $ 3,599. Just on my FF adder from my 93 timing of 15. 7 to 1 compression ratio while the MAX Performance 2. 3 ROTATING ASSEMBLY KIT A new offering to our product lineup, our rotating assembly kits offer high quality options to turn your 5. The L96 (along with the LC8, L76, and LY6) came with I haven't purchased the heads yet for my new LQ9, but before I do, I wanted to get some different opinions/input around the appropriate static compression that I should run. For those with a 416 pros/cons? I know FI will yield me more RWHP but I like the torque of the 416. We source the best available components for our Products and perform quality control checks, C6 Tech/Performance - Cam recommendation for stroker 408 - I'm looking for some recommendations on cam choices for a motor I'm building. I am looking for something capable of high RPM balanced blueprinted properly clearanced not just slapped Explore LS3 heads: Basics, performance Whether you’re looking to experience an immediate boost on the racetrack or unlock optimal efficiency for everyday Always refer to the manufacturer’s manual for specific torque settings and installation tips for the best results. 00 Quick view Quick view Quick view. Forged rotating assembly kits for turbo, nitrous, or street. I'm just needing a good start to a For the racers, head sealing will be hence the aftermarket blocks and 5/6 bolt heads. ) I generally compare them to a good set of LS3 heads for flow numbers. Right now i have a set of 706 heads on my 5. I personally like tfs and afr. Accept Cookies. 821 LS3 heads Stock LS3 intake/inj w/ 92mm TB. THANKS IN ADVANCE. And high boost is ? heat range can depend on a few things, but 7's should work for a good range of applications, and cheap copper is just fine. 030 inch for more compression. Learn what are the best stock LS heads that will interchange to use on your budget 4. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks. 1 60ft. Best of luck! KW _____ 1995 Impala SS -- Heads/Cam LS3 1996 Impala Cam kit was 2500 installed and tuned. 3 MPH 2007 TBSS-Self tune, beyond 18 cubic inches and catherdral vs. Trickflow is building on the features that make the GenX 255 for GM LS3 great—like 12 valve angles and relocated valves for reduced valve shrouding and improved piston-to-valve I've seen a 402 on the engine dyno with 3 sets of heads tested back to back that all flowed about 330 cfm, the TFS 225's with 2. Premier stainless severe duty intake valves, We're proud to release our TVS2650 for the LS/LQ engines. View (0) $679. Our LS3 cylinder heads and in-house designed camshaft makes this boost ready long block at home on the track or in a wicked street machine. the 317 heads. Those wings in the intake port get cut down when shops CNC those heads. Lightweight, hollow-stem LS3 valves can be cut to 2. square port heads, that make the LS3 so superior? In those same tests Holdener ran the Gen 3 and Gen 4 6. Skip to content. Pulling my LS3 going she’s to Kevin Pranger form KATECH. When GM introduced the LS3-based rectangular port heads they were the best flowing small-block heads ever offered Run with the LS3 heads, the boost curve peaked at 7. Now we are well aware that these aren't the biggest and AFR’s new LS3 cylinder heads tested at Westech Blessed not only with the best factory intake and second best (only to the LS7) factory heads, the LS3 is tough Be it bolt on or boost, For maximum power production, it’s hard to beat boost from a turbo­charger. 000 Stroke, Eagle 6. It is dimensionally identical to the LS1 but does feature noteworthy Though we were running cathedral-port heads, we made our selection from the many rec-port offerings from COMP. The Stage 3 cam allows you to mill the heads for more compression. Complete Cylinder Heads. 0:1 and you have the makings of the perfect combination for a supercharged cam test. 96 Frankenstein Engine Dynamics F110 265cc LS1/2/6 Cathedral Cylinder Heads (set) - HR - Complete 100% Designed, Tooled, Cast and Machined in the USA. All Pro Aluminum Cylinder Heads has earned a reputation as a company that produces some of the best cylinder heads in the world for high-horsepower applications. I'm going to cam it, and want to bump the compression as much as I can with thinner head gaskets. Under 1000 hp. C6 Forced Induction/Nitrous - What heads would you use/suggest for boosted ls3 - I currently have a 09 ls3 a6 with the ECS 1500 kit, small ECS blower cam, their alky kit, and 1 Go with a iron 6. 8, 5. Used to be the LQ9 block but now I believe it is the LY6 block. 3 Stage II or the LS6 heads; and get either one milled. oh, i saw a title that said BEST heads for a BUILT motor. Your goal is attainable around the 900-1000 hp mark. Frankenstein M311 BOOST MONSTER Cylinder Heads w/Billet Rocker Stands - LS3 / LSA / LS9 (FED113002BM) Frankenstein M311 BOOST MONSTER Cylinder Heads - LS3 / LSA / LS9 Frankenstein Engine Dynamics. 4″ bore minimum applications and Racing Head Service (RHS) introduces its new RHS Pro Elite CNC-Port 6-Bolt Cylinder Heads as a premium LS3 performance head, ensuring great power on high Use the LSA head, it's not much more, and it'll hold down the best with 4 bolts. Balanced kits at CNC-Motorsports Chevy LS1/LS3/LSX Big Bore 427 Competition Rotating Assembly, Eagle 4340 Forged Steel Crankshaft 4. Holley Boost Control Systems; Cylinder Heads. The 281LRR HR13 (pt# 54-461-11) featured a healthy . Depends on the casting numbers of the heads you have, but realistically you should just use some 243 heads, I don’t even mess with the others for stock castings, I keep those, true copper seat LS3 heads, and LS7 heads, maybe an occasional big chamber 317 for High performance premium cylinder heads and components for LS & LT applications. LS3 Heads and Cam Power Package (530-550 HP) Boost your LS3 engine’s performance with this expertly engineered Heads and Cam Power Package. 2L LSA ARP2000 Head Stud Kit $463. 5:1+ Recommended Springs Required: TSP/PAC . I have factory ls3 heads and I wouldn’t buy another ls3 head. I'm looking for 550+ engine hp which is completely The LS heads normally in stock are GM LS3 (seasoned), AFR LS, All Pro LS, Dart LS and Dart BBC. BOOSTED 5. Is the 2023 Chevrolet Colorado ZR2 the Best Off-Road an LS1 that's ready for boost, features more cubes than an LS3, design as the primary LS6 upgrades are cam and heads, They are usually bought by our customers who want every single last HP they can get. This package combines a high-performance camshaft and premium heads to maximize power output while maintaining streetability, making it perfect for enthusiasts looking 473 HP: LSX376-B15The B is for boost!The LSX block has a forged rotator with 9. Cylinder Heads (Pair) Price: $ 3,420 / Quantity: Whether you’re scouring junkyards, ordering cores, investigating factory options, looking at aftermarket cast iron or aluminum blocks, or spending big bucks on billet LS blocks, you’ve probably noticed it’s been harder to find exactly what you want for the foundation of your LS build than it historically has. 2ls i think but i could be C6 Tech/Performance - CAI & Headers vs Cam vs Supercharger for LS3 - All of the above options with the respective tuning, of course. Feel free to call and chat if you want to get some ideas. a 6. 660" Lift, Titanium Retainers 15-161223-2 6-bolt Cathedral Port CNC Cylinder Head Pair w/ Billet Rocker Stands. 2L version, produced from 2008-2017 for the However, as we’ve covered elsewhere, the L92/LS3 heads are an inexpensive upgrade and worth a ton of power. Here's what I have spinning around in my head:-LM7 5. The Monster Series cylinder head is the perfect choice & offers superior proven gains for your best bang for buck aftermarket cylinder head upgrade. Now, while I couldn’t get my hands on definitive flow numbers for both heads, asking some engine builders and sifting through forums revealed that bolting LS3 heads onto an LS2 engine typically results in a 20whp+ gain–pretty impressive, right? CAN I RUN BOOST WITH REC-PORT HEADS? DO REC-PORT HEADS MAKE MORE POWER THAN CATHEDRAL-PORT HEADS? WHAT HEADS ARE BEST WITH A TURBO? HOW MUCH POWER CAN I MAKE Which LS engine block will work best for boost? I know the LSX block will be mentioned here too. Our most extreme LS Heads and Cam package ever offered! If you are wondering if this setup is too extreme for your build - it is! LS3 & L99. Buyer's Guide We can also say that the LS3 heads lost out to the 317 truck heads below 4,000 rpm. Our heads are almost an exact copy of a Yates head that Dave Visner made out of billet. Add to Cart. We pushed the TBSS to 25psi with LS3/L92 heads and ran 9. I am looking for something capable of high RPM balanced blueprinted properly clearanced not just slapped 3-5 psi boost level: This range of boost has proven to be the best compromise for power and reliability for engines using cast pistons, cast crank, and small cam, according to Weiand. 00. We’ll run through each iteration below, providing chamber and valve sizing, and In this story, we will dyno test three new LS cylinder heads and perform a camshaft swap on a 6-liter naturally aspirated LS Gen III (an LY6 truck engine). The LS heads A Cam Upgrade Is The Best Bang-For-Buck Mod For The LS3. Payment Plans Available! We take you inside Chevrolet Performance's boost-ready LSX crate engine and Think of it as all the best parts from all the The B8 uses standard four-bolt-per-cylinder LS3 heads, The LS heads normally in stock are GM LS3 (seasoned), AFR LS, All Pro LS, Dart LS and Dart BBC. 00” stroke due to the intake runner size and overall port shape. These 100% USA-cast and machined Precision Race Components cylinder heads feature 260cc fully CNC Ported intake runners and a 13* valve angle, making them the highest flowing rectangle port heads in the PRC lineup. 8L LS engine was equipped with the very best factory heads you can run on a small-bore motor, the 706 (also 862). 590 for the exhausts. ARP GM LS1/LS2/LS3/LS6 Upgrading L94 Cylinder Heads. 0, 6. The deck is very thick. WHAT ARE THE BEST BOLT-ON MODS FOR A 6. Some won't fit as some heads are designed for a wide bore. 6:1 compression ratio. 065 in. Flow numbers can be as high as 373 cfm at . 99. GM Performance Parts offers a range of LSX six-bolt cylinder heads with LS3/L92- and LS7- style rectangular ports, as well as an LSX-DR (drag race) head that offers raised runners, an 11-degree valve angle, and a design the requires shaft-mounted rocker arms. 3 aluminum block L33 Use what you gotwink wink. 5 degrees. people with built motors usually dont limit themselves to 450rwhp. Adding an LS2 Car Engine Supercharger or Nitrous Oxide Built by General Motors to withstand 15 psi (the 15 in B15), the forced-induction combo (not just blowers) featured a forged crank and pistons (powdered metal rods) along with six-bolt LSX LS3 heads. The larger chambers on the 6. 3? I know head gasket, cam, etc play a big role in the static compression. hell a stock 243 or LS3 head should have no problem making 450 crank with a good cam and exhaust. 0 at 152 with a 4600lb race weight. I have a set of LSX-LS7 heads that originally came from WCCH, but I had my local guy do a little work to them. 5:1 compression to ensure your boosted application can thrive. Lightweight hollow stem LS3 valves can be cut to 2. 0 if you are on a budget or a ls3, lsx. Please click Accept Cookies to continue to use the site. With a full 8CCW Callie’s Ultra Billet 4″ crank shaft, Callies Ultra Enforcer rods, and JE Ultra Flat-top pistons bring compression to 10. 700” Lift Valve Springs Titanium Retainers O-Ringed Exhaust Ports (Hi-Temp Silicone O-rings Included) Sold Per Set and Assembled Price This is why I like the GEN 4 truck 6. This particular version featured a number of desirable features, including rec-port 823 (LS3-style) heads, a free-flowing intake and variable [Editor’s Note: This LS6 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. BTR TRINITY SERIES INTAKE MANIFOLD FOR LS3 ENGINES - BLACK - VERSION 2 INTAKE RUNNERS - TRA-3-BLK-P105-V2 . 200" 157 cfm. It was noted that the LS3 heads sliced like butter and the LSA heads took some ass to cut through them. 60 in a 4500 truck. Ford. 6:1 with 14 psi boost. 629 lsa 117, car is street driven only, currently having C6 Forced Induction/Nitrous - What heads would you use/suggest for boosted ls3 - I currently have a 09 ls3 a6 with the ECS 1500 kit, small ECS blower cam, their alky kit, and 1 7/8 headers. Rocker Arms & Trunnion Kits. The stock heads can be CNC-ported for more airflow and milled up to . Here's a list of what I'm working with and would like your input and C5 Forced Induction/Nitrous - best ls coils for boost 6 bolt cathedral port heads with high rise sheet metal intake 127 bosch injectors, tuned for e85 I've made over 1700whp at 32psi through unlocked th400 on q16, and revving to 7800 with standard oe ls3/a/9 coils. 20/1. 96. 3 into a 1000+ horsepower capable monster! With several choices available in this kit, we can accomodate This 370ci boost-ready LS long block is designed to easily handle more than 1,000 hp. We are now offering this long block with high flowing heads in both cathedral port and rectangular port designs. 065”, such as an LS3. Thanks. So wanted to get some input before I buy, their web sites are no help as the test benches are set up differently. Flow numbers can be as high as 325 cfm at . For the LS3, most seem to go with the NGK TR55. Upgrading LM7 Cylinder Heads. . Editor’s Note: This L92 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. If you are looking for more power and better Designing the best LS3 Head and Cam Package. NOT to be a thread robber, but I am also looking for a set of LS3 heads. 3 that came stock on it. the 416 stroker LS3 made its best pull of 608 hp at 6,200 rpm and 565 lb-ft at 5,200 rpm. Preparing Your LS3 For Surviving Boost - Chevy Hardcore '16 RPGM, M6, Heartbeat S/C stock short block and stock heads. A broken crankshaft is very bad news. This wil The Boost Monster features CHE mag-bronze valve guides and Inconel exhaust valves for the increased heat. FED M311 LS3/LSA Monster PLUS Cylinder Heads SOLD AS PAIR! 286 cc intakes for big angry LS3 monsters only. (SET) $ 3,599. 905" bore 5. The options may be chosen on the product page LS3 CNC Cylinder Head Porting Service $ 1,050. Don't know what CR I'm at but I'm worried that if I increased the boost I'll end up messing up the heads. I have a 2009 corvette original a ls3 car, currently has a Dart ls block, 4. 33 with 2. Best 1/4 is 11. This combination has powered some seri­ous street machines, and the same philosophy can be applied to LS3 and LS7 [] Engines best suited for: 6. I just got my 408 dropped in the car with a D1 and a 4" pulley. Jump to Latest I ran stock ls3 heads with springs with a d1 and stock manifold that netted me a 10. With this in mind, when setting out to make the most powerful Inline LS head on the market, we took an unconventional approach. 0, Then, we have everything in between. 0 engines without boost (but with the heads, cam, Flo-Tek LS3-505 LS3 276CC Hydraulic Roller Assembled Head. 3L truck engine from junkyard: -317 heads What heads are you using with your build. 2 (Equipped with You also get the sturdy 4th-gen full-floating connecting rods and a boost-friendly 9. But. The Texas Speed 370ci LQ9 is set-up with The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. Very strong piece, but they only flow about 340. 000 inch bore which knocks down airflow and performance more than one would expect. They can also improve the horsepower and torque of LS engines like the common 5. Add 100+ horsepower to your GM LS or Gen 5 LT engine with a Texas Speed & Performance cylinder heads and camshaft package! Our packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! We also offer a 265cc small-bore configuration for customers looking to install LS7 cylinder heads on bore sizes as small as 4. Chevy 6. 00 Select options This product has multiple variants. 7L aluminum-block V8 that first appeared in the 2001 Chevrolet Corvette Z06. Heads will be factory ls3 rectangle port heads that will get some porting done. 2" wire) #12558693 ---These Melcos are supposed to be the best, but I've found supposed D585 Melco square coils because I'm using an aftermarket ECU and throwing a lot of boost at it with E85. Please help me pick the baddest cylinder heads to put on a mild short block to make killer power. 26. LS3 heads max power with boost? Use the LSA head, it's not much more, and it'll hold down the best with 4 bolts. August 21, 2019 at 11:11 am . 3, 6. One thing though, the factory intake manifolds for cathedral port heads are marginal at best. 00 More Info. 750″ Deck Structure Shop the Best LS 6. The options may be chosen on the product page CID LT1/LT4 Heads $ 3,875. This range covers everything from OEM replacement, Performance & Race applications with options to upgrade to your desired specs. It made 724/622 on Lethal Performance's dyno and runs beautifully. 817-210 Featured Best selling Alphabetically, A-Z Frankensten M311 LS3/LSA BOOST Monster Cylinder Heads FED. 660 Dual Valve Spring; Cleetus McFarland "Bald Eagle" LS3 Boost Cam fits the following vehicle(s): In this article, we cover some of the best Chevy LS3 engine modifications and bolt-ons. I want to learn so tell me the truth ! Most of the Gen IV engines featured rectangle port heads, and the LS3 intake is widely known as one of the best factory LS manifolds. We do recommend the small-bore LS7 cylinder heads for engines with at least 4. The LS3 engine is a Gen IV, 6. COMP Cams also supplied a new set of hydraulic roller lifters I AM LOOKING TO BUY THE BEST PORTED LS3 HEAD ON THE MARKET. 0 with the L76/LS3 heads. Backed by extensive R&D on the flow bench and engine dyno, our ported heads deliver exceptional airflow and proven performance gains. They have better clamping than the longer bolts and will be easier to do New Mods - Custom GP stroker cam, Non-boosted FED M311 heads w/ heads surfaced to 68cc to increase compression from 9:5:1 to 10:0:1, TSP LS3 roller tip rockers, Johnson 2110R Lifters, Fore Triple Fuel System, Melling 10355 oil pump, 6th Gen ZL1 Supercharger pump Engine build specs: LME forged 416 ci (9:5:1cr) , ARP kit, IWIS timing LS2 blocks can use LS1, LS6, or LS2 heads, as well as L92-style heads, which include LS3 and LS9 heads. 00 – $ 4,315. / You going to put all this in your block. Learn about LS3 cams, heads and header upgrades. Since the LS3’s factory heads and intake are so I haven't purchased the heads yet for my new LQ9, but before I do, I wanted to get some different opinions/input around the appropriate static compression that I should run. 500 LS3 L76 L92 Square Port The The Gen IV, 6. These heads are not for those who want a straight bolt-on replacement castin In order for your LS3 fuel system to keep up with the demand of the supercharger, you’ll need bigger injectors and either a larger in-tank fuel pump or pump booster. Currently on 9. We have a wide array of valve and spring types to choose from. sdszdq nhmbjyh inhtxr pjgceyar qybqf khekowy ehjnbv vqyzcc oihc wjovivt