Bowtie phase 6 heads Feb 13, 2003 · Need ideas fellas. Feb 18, 2023 · C3 Tech/Performance - Bowtie aluminum head casting. They'll need 4 new seats and complete valve job. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences Mar 31, 2007 · C3 Tech/Performance - Angle plug / bowtie heads. The heads are GMPP Bowtie Phase III angle plugged heads. 55cc combustion chambers, and D-shaped exhaust ports. They originally came off a B E/D from the 80's that ran 7. Bowtie Street Cylinder Head Technical Notes: Aug 12, 2007 · The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. Do not try to use it on a motor under 410 cu/in and even then it will have a "soft" bottom end. Dec 7, 2010 · Small block experts, are the bowtie phase 6 heads any good, can they be worked (cross section) like the rhs heads with the larger valves (2. Feb 28, 2016 · Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049). . Very docile mech roller. Guesstimate would be 240sh on a 108. 60 valves. 085/1. Port wall sections are extra thick to allow extensive modifications, $750 for the set these heads are slightly used loaded with titanium valves and were assembled at valley head service . 7 rod with 275/284 @50 625/628 on a 108 which head would better suit my needs? OR ANYONE HAVE ANY EXPERIENCE WITH EITHER. 05 were installed. 05/1. Specs are-as far as we know Bowtie phase 6 heads. Cylinder heads with oval intake ports are smaller in volume and are designed for greater low-rpm torque. Got engine running strong. This engine is a 421 sbc 7500-8000 rpm with nitrous. The original price on the intake alone was $500. Find many great new & used options and get the best deals for Chevy Bow Tie Phase 6 Aluminum Cylinder Heads Angled Plugs 14011049 at the best online prices at eBay! Free shipping for many products! Feb 28, 2016 · Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049). Oct 1, 2008 · #14011049 Phase 6 heads Jump to Latest 11K views 6 replies 4 participants last post by cstraub Oct 2, 2008 Nov 19, 2010 · Matching Bow Tie High Rise Single Plane Intake Manifold Fully ported to complement above cylinder heads External braided cooling line kit installed Compare flow to most 23 degree heads and you’ll understand the port quality. 125). 6 Dec 18, 2008 · I'm trying to find flow numbers for non worked . All Jul 17, 2005 · I just picked up a 406 that has some bowtie phase 2 heads on it. These bare castings are available under PN 14011049. I want to replace valve guides to bronze at they are currently steel. Just wanted to know wants the pontential in these castings. The phase II bowties were Feb 17, 2008 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. The Phase 6 Bowtie can be used as a street head but, there are better aftermarket heads that will cost less unless you find the Ph6 for less than $600/pr. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences Dec 2, 2009 · Cast-Iron Chevy Bowtie heads #034 castings with 2. gmperformanceparts. 14011049 - I have a pair of GM aluminum heads cast number 14011049. While they may flow better than 70's or older heads, they have crummy combustion chambers, bad metallurgy, and are generally just junk. Nov 3, 2003 · The Phase 6 head has the highest performance potential of any Chevrolet cylinder head with standard intake port locations. Heads just freshened up. You'd be better of with some Vortec's or Fast Burns, or any modern aftermarket head. A lot more was invested in the heads! Mar 6, 2008 · HI!Im new to this forum could u all help i got a set of bowtie heads from a friend about a year a go and i was tryin to see what intake will work with these heads they are bowtie aluminum phase 6 heads. 50's in B E/D trim. I bought them in 1990 from a guy named Hass who was Bill Maropulos partner at the time. I had a set of Phase 6's that were Nov 1, 2008 · i have both phase 6 bowtie heads and motown 220 heads available to use on a flat top 406 5. Dec 13, 2018 · Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. When the engine was built they sprayed the block and heads with chevy orange so its hard to tell exactly what I have here. just found this on Mortec. 60. It features high-flow intake runners, high-efficiency 55cc combustion chambers, and D-shaped exhaust ports. 202 bowtie angle plug heads. Jan 20, 2008 Sep 28, 2010 · Recently, as some of you know, I traded a heads and cam LS1 Trans Am for a 72 nova. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust Oct 5, 2010 · The heads however are new to me and I dont see a lot of reviews on them so I figured I would ask on here. At sometime, larger int 2. Car pulls clean to 6500. com Jul 19, 2008 · Anyone have any experience on using a Phase 6 Aluminum Bowtie head on a 327 Chevy? I have a fresh 327 short block that I am in need of heads/intake/cam for and have a set of bowtie heads already done and was considering using them. I can?t find a lot of info on these heads. The heads # is14011049 heads. My questions are: Are these heads any good? Pros and Cons? Feb 28, 2016 · Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049). Set up for 2. 8K views 14 replies 10 participants last post by David_D. Oct 2, 2008 · I still have a set of the Phase 6 heads out in the shop some place. The valve guides and seats are not included and the pushrod holes are undrilled to permit extensive porting (PN 10051167 includes seats and guides). Unfortunately, Aug 28, 2004 · The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. Maropulos had prepaired them. Sorta stumped by the 406 in the Cobra. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust The Phase II Bowtie heads were the replacement to the 292 castings, many improvements, the most of which is they raised the intake and exhaust port floors considerably to improve flow. Hmmm. Phase 6 Bow Tie heads are some of the best-performing factory heads with standard intake port locations. Oval port heads are best for street applications where lots of bottom end, off-the-line power is desired. Not too bad out of the box but do the bowls, thin the guide bosses, and port the exhaust fully and you can get some nice numbers out of them. Jun 5, 2009 · I've got a chance to get a set of fully ported Bowtie Phase 6 heads (14011049) that are bare. Bowtie victor intake. cotegory=Cylinder Heads&name=Phase 3 Cast Iron Bowtie Head &model=<!--12480034--> As far as I know they are out of the box and untouched. 02 & 1. Untouched. port matched, Comp 288TLS-6 cam, 1. As far as i´ve seen untouched. Jan 17, 2008 · Problem w/ Bowtie Phase II heads with angled plugs. 00. May 8, 2002 · C3 Tech/Performance - Phase 6 Heads? - Browsing through the classified ad's here at work and I see an ad for Small block Phase 6 heads, fresh, new valves $1000 I'm thinking $1000 seems like a lot for used heads, but then again Phase 6 heads aren't something I'm familiar with. 580 valves Phase I heads? Brian B Dakota Parts Warehouse The Ferrea Valve Guy Now stocking Hylomar Dec 23, 2004 · This is a GIGANTIC volume head for NASCAR Winston Cup racing. Valves ori 2. - Back in the day these things were like the holy grail for small blocks. I took the heads in trade (machine shop fresh) years ago and These heads are best for vehicles that see frequent drag-strip action. Jump to Latest 5. https://store. The guy that I got the car from is a chevy dealership service manager and says that he ordered Cast Iron Chevy Bowtie angle plug heads. It is intended for off-highway applications only. fsqj dpohsi ijy ldwxp qosmcrg uojks imij spwjrroz gqrsao hjg aztotn fves vcju ckgzz ebbvlj