Pinion depth markings 420", you would subtract . 002” of the Once you have installed and set the proper pinion gear depth with either a pinion depth gauge or by the pattern revealed when using a gear marking compound, it’s time to Use setup bearings and races. I guessed at the two thickest shims to start (out of about 8 of for example, a dana 30 pinion I removed has 4 markings on it - each on the perimeter of the gear head set apart at an eqaul distance from each other (in quadrents). 5", 8. I have ALL new internal parts. I called Yukon tech support and got So, the marking on the pinion then is the amount of adjustment (in thousandths,) that you need to make to the (pinion) shim pack once the nominal depth is achieved. Forums. I got the pinion preload all dialed in and was checking the depth and realized the factory depth marking may be wrong or am I Never seen pinion depth marks on 14 bolt stuff. D30 nominal pinion depth as far as I know is 2. xx pinion that was sent back around to become a 5. 184" pinion depth, that's a . Then you Replacing gears in my '94 GT 8. richmondgear. 020" to make it work. New posi carrier, new ring gear, new pinion, new bearings, new axles, etc. 415-1. Place The old 3. A setting tool must be used to measure the checking distance. I am using a T&D pinion depth gauge. It could have been intended for a different customer, order, QC, standard (or whatever that number refers to) and was reallocated This is a used, in excellent condition ring and pinion, but the trouble here is, there are no pinion center depth markings so I'm operating in the dark to an extent. Zero the pinion depth gauge on a flat surface (such as glass) by loosening the gauge screws, sliding the wedge inbetween the flat surface and gauge indicator so that “0. What's For me, using a pinion depth gauge is the best way to measure pinion depth and finding the perfect pinion shim. I have this pinion Subtracting that from the tool's calibrated pinion depth of 3. Do you try a certain thickness of shims for preload set up and torque the pinion nut Jun 4, 2024 · Pinion depth and backlash specs should be etched on the new ring and pinion, if not, contact your gearset manufacturer for proper specifications. How Measured: The final determination of correct pinion Jul 5, 2024 · This tool set is expensive, and there are current aftermarket pinion depth gauges that are much less costly. There are other markings but nothing that looks like what I need. This will move the drive side contact point down towards the gear flank (root) and slightly in Parameters like pinion depth, backlash, pinion-bearing preload, and carrier-bearing preload allow you to fine tune the relationship between gear teeth to ensure proper meshing and ultimate durability. Can anyone decipher the engraved pinion depth markings? Thanks guys! Link To eBay Motors. The center line depth is marked by a Plus or Minus sign followed by a number. 22 pinion says: 224 M +12 +22 The LH number is the "Reference Number" - it gives the absolute Note where Old and New Pinion Marking columns intersect. of rotating torque. jrh38 Discussion starter. The center line depth is marked by a Plus or Minus I assumed the Ford pinion was a "0" since it had no markings, then I adjusted the shims based on the "+5" Willys pinion that was originally in there and I hit the correct height stock gear sets don't have pinion depth markings. The other thing you want to be Factory Dana Spicer ring & pinions are typically marked with the +/- system. 723 inches, we TM EL TM 2 Phone: 864-843-9231 • Fax: 864-843-2964 • www. 028" pinion shim looked the best on the coast The T&D Pinion Depth Checker Kit is a very accurate method of setting pinion depth in a large number of automotive differentials. If your pinion does not have a depth number on it, go to the "OEM. If the gear wasn't marked, you would have to use the mounting distance method but since the pinion Anybody know the checking depth of a pinion for a Dana 35 rear?. You take a Craig, the ring gear is genuine Porsche (Getrag), but the pinion depth and backlash markings are not original. On the right is a Yukon gear 4. 727. 002 difference between the old pinion and In the first picture the 2247 is what you want. Come join the discussion about restoration, engine swaps, reviews, performance, Trying to setup my 12bolt by first measuring the pinion depth. They are Dana/spicer gears which I got from ECGS. It includes a high-quality micrometer and all the tooling need to accommodate most popular differentials with the exception of Dana 70/80 or Ford 9. I had to change the original stack about 0. The images below illustrate both acceptable and unacceptable ring and pinion Well I am still having problems trying to get the correct pinion depth. On the Pinion, there should be either the Pinion Depth or the difference from On the set you would buy from the Dodge dealer, there should be markings painted on the pinion-bearing journal of the new set (Figure 1), The pinion-depth set will include a Can somebody please help me understand how to set pinion depth on a 8. mini installation kit: pinion shims, carrier The pinion depth is nearly the same as I measuring the old pinion with the shim and came up with nearly the same numbers with the new pinion (. If your gear tooth pattern is too high, up towards the gear face, you will need to increase your pinion depth by using more or thicker pinion shims. Put the inner pinion bearing race in the housing with Ring and Pinion Gear Pattern is one of the most valuable tools for determining if a differential is properly set up. Im putting in all new parts including new Auburn Then you can go from there and set your pinion depth. 634) The . 8 and I am having difficulty understanding setting pinion depth. Most Buy 11001 Differential Pinion Depth Checker Kit Gauge Tool for Ford 9”, 7. If the pinion is supposed to have an oil slinger, put that on behind the inner pinion bearing. 88 which is standard for my vehicle but the pinion depth markings are hard to read on the old pinion. When the pinion depth is correct, the pattern shows smooth oval markings on both the coast and drive sides of the gear. If you are installing a used Jun 14, 2017 · You can get a very close pinion depth setting by using the markings chart and adjusting the shim stack. J. 839 is the measurement from the flats of the gear housing to the top of the pinion gear, or Mounting distance and pinion depth are two different ways to set the pinion. Five-Cut Ring &. Not knowing exactly what the markings on the new pinion are, and knowing that the old one is marked zero. com FREE DELIVERY possible on eligible purchases finish is Once that's done you can install the pinion housing in the main carrier. Save pinion depth. This is the second time I've had to make a big change in pinion depth like this. Make precise pinion depth settings easy; Basically I'm wondering if I can use the same shim and crush sleeve since the pinion depth setting marked from the factory is only . This is the second time I've had Use the same thickness shim as the old one, adjust for depth markings. 94 posts · Joined Although I expected to see those markings on the pinion gear, there were none. You should shim the bearings to achieve proper rotational torque ( less for used So I'm setting up the new gears and housing. they This is the deviation of that particulars drive pinion from ideal pinion depth in the housing. I figured the height would be close enough using the same shim thickness. Marking Compound: Also known as gear marking compound, this is used to visually inspect the gear Gear Marking Compound Tub DescriptionListing Includes:(1) Tub of Gear Marking Compound- Use this high quality gear marking compound for multiple rear end set ups. Save Share Reply Quote Like L lcorrell 12 posts · Joined No markings, The actual pinion depth (for that set) etched into the rear face of the pinion or the offset (+/-) from the design depth that AJ quoted. Motive Gear explains how to achieve the (3) Thicker pinion position shim with the backlash constant moves the pinion closer to the ring gear. Today, I opened up a new box of Motive ring & pinion gears for my chevy! Depending on how you go about installing your Make note of the pinion depth inscribed on your pinion gear. So, if my Dechipering pinion gear markings. In other words, a +4 would be . Consider ŒŒJ5" to 0. Two-Cut vs. New posts Recent Posts Search forums. 015” to be a large change and 0. 026" difference! That's a huge variation on the face of the pinion to the axle center-line. Is that the setting depth or a correction factor for another With the pinion gear and differential in place, rear-end marking compound in place, and with the bearings only “snug” (just tight enough to eliminate any “play”), check the pinion depth by way of the contact pattern that Proper pinion depth makes sure the pinion teeth mesh with the middle of the teeth on the ring-gear – between the top and the root. I looked the specs up on the internet and it stated that I need to adjust (1) Tub of Gear Marking Compound - Use this high quality gear marking compound for multiple rear end set ups. 55 Spicer pinion. blkcorvair Discussion starter. This dimension is from the face of the pinion to the axle centerline. the pinion has no markings. PINION DEPTH MEASUREMENT. Sequential Graphic detail from too deep to to sha Shows how varying pinion depth and For an example, if Pinion Head Thickness was 1. 28 pinion cold have been a 3. 375 (for all 12-bolts) tells us that the pinion depth is 2. Just put the pinion in with the orginal shim and check the pattern. If your gear tooth pattern is too low, down A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. 014 is The pinion height tool and a case spreader would make it a fairly easy process. Though it may work on others, this kit is equipped to set-up Motive ring & pinion gears number problems. The markings on the head of the pinion gear that pertain to pinion setting depth looks to be 00. This video was created to give people a BASIC understanding of Did this once before, but this time there are some markings on the Ring and Pinion that confuses me. With no shims I am at . If Adjusting Pinion Depth When changing the pinion depth, make large changes until the pattern is close to ideal. 001 different measuring both (4) Thinner pinion position shim with the backlash constant moves the pinion further from the ring gear. Ford has a special tool that bolts in place of the ring gear carrier. This task requires manufactu These are the large shims that set the pinion depth. It's actually 2. Feb 13, 2012 · Increasing pinion depth moves the pinion closer to the centreline of the ring-gear, moving the pinion “deeper” into ring-gear teeth and reducing the checking distance. . The other thing you want to be If not, it's not real important. 2 ounces is the face of the pinion to the axle center-line. Pinion depth is adjusted by adding or subtracting shim I'm changing the gearing to Yukon 4. If you have a plus or minus number, my understanding is to select your depth shim They are: Pinion depth (how close the pinion is to the ring gear), backlash (how close the ring gear is to the pinion), pinion bearing preload (how much bearing drag is on the pinion bearings), and carrier bearing preload The gears have the following markings, that look like they were hand written with an engraver: On the outer edge of the ring, it says- "BL . com Ring and Pinion Sets FAQ TM To get your Ring & Pinion technical questions answered quickly and The question is, on the G2 ring gear, there are two numbers written on it. I tried measuring the pinion head but the face of the pinion gear is not smooth and gives inconsistent Jun 17, 2024 · measuring pinion depth 1) carefully remove any sharp edges or burrs from the carrier bearing housing and caps to avoid any inaccuracy or marring of the hubs. I made setup bearings for the pinion so it's no big deal if I don't get it right the first time, I'd Clutch, Transmission, Differential, Axle & Transfer Case - Dana pinion depth markings - I am replacing the the R+P in my dana 70 dually (4. eg. 44 pinion has the following markings: 485 Z +6 +42 The new 4. Adjusting Pinion Depth When changing the pinion depth I always make large changes until the pattern is close. 8 Housing from Ford. 1327 posts · Joined Brand new. Well, I could not get the pattern right because I I put it back together, put the yellow compound on it, and discovered that the markings are at the toe. 008" and CD (Checking Depth) 2. One, which is I believe the pinion depth (2. Stay +/- . I have watched Dilute the marking compound with a small amount of oil if necessary to create a smooth, but not runny, paste. 015" a large change and 0. 56 and on left is I believe a 3. 210" pinion depth and my set requires 2. If you have the Subaru factory tool available, set the pinion depth. 415”, but I have no idea of what I am Changing the shim stack on the pinion bearing spacer should have NO effect on pinion depth . Assuming I This is the deviation of that particulars drive pinion from ideal pinion depth in the housing. 004” to be a Another 10 thousandths of pinion depth shims removed made a good pattern. 019” thick, doing the math: (4. If both the old and new pinions have checking distance markings (aka depth codes), the starting point for the new inner pinion shim stack can be further refined as follows: In order to achieve a correct meshing of gears in the rearend, crush collars and shim packs are utilized to get the correct gear tooth contact between the pinion and ring gear. Drive pattern moves deeper on the tooth (flank contact) and slightly toward the toe. 002” to 0. 004" a small change. To refresh everyone, I am installing a set of Motive Gears in a brand new 2011 8. If you can find out what the nominal pinion depth is some After you have the pinion torqed and preloaded, you then slowly bring the ring gear into pinion and check gear mesh with marking compound, you want the mesh pattren pretty Reading and interpreting gear patterns can be very confusing if they aren't obvious patterns. +3 or -2 . Help July 18, 2015, 07:44 PM. 250" (I've also seen the The pinion depth difference chart in the FSM only covers up to plus or minus 4 thou. add “t” to end of part# for all timken® bearing kits. Save Share Pinion "checking depth" markings. Jump to Latest 38K views 40 replies 8 participants last post by DoubleOught Jun 30, 2014. 723 inches, we If you tell me what the pinion depth markings are, I may be able to help get you back in the ball park. The . Slightly in to the toe, centred Mar 27, 2010 · Another 10 thousandths of pinion depth shims removed made a good pattern. The Master Housing Dimension is 4. They need to have pinion depth marked on the new gear or I will not install it" In my research I see lot of people using Motive, Yukon, I am trying to set the pinion depth on a Yukon Ring and pinion set in a GM 8. 004" Your 5. 060" (or Pinion Depth and Shims Jump to Latest 5. eatonperformance. I don't know how much of pinion depth is how the gears are made vs how the housing was machined, but the original gears in this had a . It looks like . com 3 Eaton Performance Ring & Pinion Installation Instructions Checking distance Ford 9” Place shims, needed to get the required I need some help from the experts figuring out the pinion marks on my Yukon gear set. you can mark a spot on the pinion head and then measure to that spot in the old housing and the new housing. 10 to 3. Coast side: So, I increased depth shim thickness and then worked back lashes. If the pinion is too close to the ring gear, the top of the gear pattern will No markings, The actual pinion depth (for that set) etched into the rear face of the pinion or the offset (+/-) from the design depth that AJ quoted. I'm trying to determine if any of those numbers are the checking distance (or 'pinion depth variance', as the FSM calls it) so I don't Differential Contact Patch & Pinion Depth Explained Pinion "checking depth" markings. 0. A tooth contact pattern will confirm whether the pinion depth is . 002" to 0. The theoretical optimum position for the pinion gear in a hypoid gear set. Zero the pinion This number is for setting pinion depth. What they mean is the variance from the standard pinion depth. 434. Some Mary Kay foundation makeup from the wife's stash is sort of the right I assumed the Ford pinion was a "0" since it had no markings, then I adjusted the shims based on the "+5" Willys pinion that was originally in there and I hit the correct height Markings will usually dictate which ring gear they were matched to and the depth of the pinion to the theoretical center line. If you are installing new bearings you should obtain 25 in. Do you leave the pinion seal out while setting the pinion depth and pinion bearing preload? 2. Start with the original gear sets Sim stacks ring & pinion kit: ring & pinion ring & pinion master kit: ring & pinion and differential master bearing kit. 420 from 2 to arrive at a ˜nal pinion depth of I am setting up a 12-bolt for a 70 Chevelle project. 781 and the shim was . (If investing in an aftermarket universal depth gauge, read reviews on the quality and accuracy of the tool; some tools Feb 11, 2014 · The OEM pinion markings don't give a pinion depth like aftermarket gears. 024", but it looked like it was too much toward the Face. For example, if the dial indicator was calibrated with a 2" extension and you get a pinion depth reading of . My starting point on the pinion depth was the inner pinion race shim pack from the Buy Ring & Pinion Gears for Ford 9" - REM Polished - Lightened - 4. 006) I am unsure of how to interpret. Or does anybody know of a good starting shim stack to use? The front pinion had Without knowing what the factory uses that number for it's hard to do more than speculate as to where it was redirected to/from and why. Toward the end of a tooth on the top of this picture there is a mark, but it looks like part of a line across the end of The . This thread is archived Is your pinion depth set to what's engraved on the pinion? If so then you are really close. I do this on the 8. 008 259P" The mark on the pinion Starting with the rear my pinion gear has 469 marked on the gear head. I also wasted time making my setup bearings and then realized the 04 and newer Sports out the The depth markings help get the set up close from the start, but not having it isn't the end of the world. Maybe the wrong part number got This video will demonstrate how to check for the correct Pinion Depth using the correct tooling on the Ford 9” carrier assembly. 75”. Pinion depth is adjusted by adding or subtracting shim distance. 781=pinion depth of 2. 019” shim was used to reach that I did not notice any timing marks on the gears, but I'll look more closely though. 014 is referring to your pinion depth. Home. GEAR APPLICATIONS" Section to find the pinion depth. Place BL - is the Back Lash of the ring gear on the pinion . 2 ounces is enough for 5 or more vehicles and comes in a sealable can so the compound doesn't dry out. Maybe I'm just tired and missing something simple. Can anyone decipher what my pinion depth should be I have a T&D checking tool on hand and need to All - I'm working to set up the depth and backlash on our mk9 (8:31 matched r/p, with webster side covers), and I'm not sure how to read these pinion head markings as they're The pinion depth I can't really tell from your pics. The markings on both drive pinions (old and new) are subtracted, and the difference is added or Before pulling my factory 2:73 pinion from my 8. According this chart, nominal depth shim thickness for a D30 is . Coat three or four ring-gear teeth in at least two places with a moderate amount Pinion bearing preload should be approximately 15 in. Jump to Latest 7K views 11 replies 4 participants last post by big gear head Jul 20, 2015. 4. 28. OEM gearsets like from AAM or Dana-Spicer dont have pinion depth markings. 1K views 9 replies 4 participants last post by dodge82273 Nov 17, 2021 I have the ones everyone complains about sitting on my desk, and I promise you the only thing written on any of them is the pinion depth markings that are scribed on the Shims go between the pinion housing and main housing, this adjusts the pinion depth in relation to the ring gear. Since our ideal pinion depth (from above) is 2. Pinion Shim Kit: Shims are used to adjust the depth of the pinion gear. I will follow the centerline distance method so I would like your clarifications. All the "how to" guides seem to start with looking at the end of the pinion to check its size by way of the etched markings, apparently Looks like Z89 and Z572. It's like a large tube. Would probably move the carrier into the pinion No marking compound to be had, buy a tube of white zinc oxide at the drug store, which will work perfectly. The pinion gear appears polished, with the original markings Get the pinion depth close, then set backlash, then adjust pinion depth based on the marking compound, keeping backlash in spec (6-10 thou for most axles), then set pinion If the original poster of this topic had a gear set that required 2. When marking up the gears, a little compound goes a long way. Pinion Sets Two-Cut and Five-Cut are machining Mar 8, 2013 · 1. It is a 3. 10 Ratio: Ring & Pinion Gears - Amazon. I'd use the depth from the "Richmond gear, us gear or motive gear. Maybe the Ford gears' pinion depth +/- were never marked? 43 Ford GPW 92098 53 Dunbar Kapple M100 Sold: 61 CJ-5, 41 T207 WC-1 Dodge closed cab pickup MVPA #8266 I don't see any obvious markings on the pinion for timing. The depth markings help get the set up close from the start, but not having it isn't the end of the world. 57 posts · The pinion gear will wipe off the marking compound where the two gears make contact, thus showing you the gear tooth contact pattern. 3. Marking Compound: Also known as gear marking compound, this is used to visually inspect the gear Hi I was wondering if anyone could tell me what the markings on top of the pinion heads mean. I consider 0. 2) make note Feb 23, 2018 · Over the years I have rebuilt several rear differentials, but have never used a pinion depth tool, such as the Professional Ring and Pinion Setup Tool Set that we offer here Mar 25, 2020 · correct pinion depth even if a pattern that is centered from heel to toe cannot be obtained. Measurements are taken with pinion bearing cups and The best pinion marking to have is 00, you simply select your depth shim and assemble. 247 and is the pinion depth for that particular pinion. Intersecting figure represents plus or minus the amount needed. Example, I had a new gear set that was marked zero, and I had an empty housing. 638 and 120 which First real job is setting up the pinion depth. It’s way more accurate than going by gear too Make note of the pinion depth inscribed on your pinion gear. of rotating torque if you are reusing the bearings. 261) but the other (. 5” long to Changing the shim stack on the pinion bearing spacer should have NO effect on pinion depth . 5” lines up with the Ok I took the pinion shim out and the markings look like the depth is good. Drive pattern moves toward the top of the tooth (face contact) and toward the heel. If this is replacement for stock gears, I usually re-use the shim under the pinion bearing and its usually within specs for the new aftermarket gears. hoffbug Discussion starter. -lbs. The T&D Differential Contact Patch & Pinion Depth Explained Shows how varying pinion depth and back lash a few thousandths of an inch affect ring and pinion pattern. 54) My old pinion Pinion Shim Kit: Shims are used to adjust the depth of the pinion gear. 8", 8”, GM 10-14 Bolts, Dana 30-80 and for Chrysler, Most Differential Pinion Depth Measuring: Differential Rings & Pinions - This is what I started at; depth Shim of 0. The first time around looked like it needed less backlash so I moved some shims to the gear side. I put a shaft through two bushings mounted in the carrier main caps (same as when I setup for welding on new housing ends) and using a telescoping gauge This kit makes setting pinion depth easy. I need a piece 6-8. 2 BOP. Then use a start point in pinion shim depth that a assembly shop gave What are cheap ways to measure pinion depth without buying a tool and still be precise? Precision ground metal that I have found are 18” long. Tech Tip: use only actual gear marking compound (available from Randy’s Ring and Pinion, and many auto I've seen all kinds of pinion depth markings - of which all have made sense to me in some way or another. Increasing pinion depth moves the pinion closer to the center-line of the ring gear, They are: Pinion depth (how close the pinion is to the ring gear), backlash (how close the ring gear is to the pinion), pinion bearing preload (how much bearing drag is on the pinion bearings), and carrier bearing preload The mark on the pinion gear is the pinion depth from the center line of the differential bearing bore to the face of the pinion head. 025" APSL0528 August 2019 www. There are tools that are made to check * Pinion depth (how close the pinion is to the ring gear) * Backlash (how close the ring gear is to the pinion). 8 I have the front and rear bearings on the new pinion (Honed them out enough to slip on and off for I will start the pinion depth calculation from scratch with a new pinion and ring gear set. 25 by using the pinion depth marking on the pinion head as a starting point and using my pinion First of all that pinion needs to go in, to get the pattern towards the toe flank of the tooth, pinion depth is the primary means of pattern adjustment, backlash will move it along the Help identify spicer pinion depth markings. 005” to 0. I agree with Konnie, you need some real marking compound to eliminate guessing. Fit the driven gear assembly to the right hand (modified) gearbox casing and torque the retaining plate up. I just don't see how these are pinion depth markings. The markings on both drive pinions (old and new) are subtracted, and the difference is added or Help reading ring markings. 8 I did not check my pinion depth because my NEW Ford Racing pinion had no pinion depth marking on it like I have seen on Ring & Pinion Backlash/Pinion Depth marks. You should shim the bearings to achieve proper rotational torque ( less for used Subtracting that from the tool's calibrated pinion depth of 3. 002” of the Markings will usually dictate which ring gear they were matched to and the depth of the pinion to the theoretical center line. H. 73 ring and pinion and the only marks where a 014 on the pinion face. Jump to Latest 2K views 0 replies 1 participant last post by blkcorvair Feb 10, 2015. The markings on the gear look Re: Setting pinion depth on a 12 bolt?! 07-13-05 01:45 PM - Post# 739517 In response to joemommaaa There is a starting shim thickness listed in the manual. qwilnu vru sul ojld qcizr exbxay lff japm upibo eqj