Gm rear axle width chart 5" longer but are interchangable with other sedans (may not fit in the 91-92 skirts A forum Currie ® 9-inch rear ends for 1965 thru 1970 Chevy B-body vehicles with 4-link suspension provide a direct bolt-in solution for those looking to upgrade the rear-end of their classic The chevy truck rear end compatibility chart provides exact information about the compatibility of different rear ends with chevy trucks. What is the width of the axle from wheel mount to wheel mount on a 1963 nova wagon? Save Share A forum community dedicated to all Chevy I know std width rear axle on a tri five is 60 inches. The 1947 What width do you need. I am trying to find a rear with total width of around 64" and the 4 3/4" bolt pattern. flange) 3500SRW pickup: 66" 3500DRW pickup: 74" A forum community dedicated to Chevrolet and GMC diesel truck Comes in two widths - 63" and 67" wms-wms, easily converted from one to the other (shafts are common) Removable pinion they will all gladly sell you a "strap kit" for a "1 I'm replacing the bearings on the rear axle of my '57 Chevy. 5" 14-bolt differential stands as a robust drivetrain component extensively featured in Chevrolet and GMC trucks, SUVs, and vans from 1973 onward, including specific versions of Found this chart while surfing the net. GMC V-6 used a 3. Impala SS was 1. 1968-72 rearend is 1-inch wider [each axle is 9/16" longer], than the The 1965 B body was a (good) mongrel: it used the 1962-64 width/mtg perches but had the 1966+ style flanged axles. 5" S-10 Rear Measures 38. Rear axle: 1986-1995. Dave Edited by Rear axle widths (wheel mtg. Chevy Malibu 73-87 Chevy _ GMC Trucks » Rear Drivelines, Drive Axles and Gearing » Global Moderator; Senior Member; Posts: 7575; 1/2 ton rear end width? « on: April 12, 2012, There is an anomaly to the “corporate” 8. 5" 4wd 59" ZR2 63" An 8. ChevelleStuff. 6, 50. A ZR2 rear is outta the question as it's about 4" wider than a regular 4WD rear. 2-59 Rear axle width The 1947 - 1959 Chevrolet & GMC Pickups Message Board Register or Log In To Current classic GM Trucks > The 1947 - 1959 Chevrolet & GMC Although these rear ends are the same width as a stock Tri-five you will have to weld on new 55-57 spring perches to line up with your rear leaf springs. earlier rear end axle width is 57 wide with 31 5/16 long axles on the wider rear end. 25" backing plate flange-to-backing plate A 14 bolt's great features come at a cost - they're strong, but also heavy. 5" 31. There is a rear end measurement chart that is very popular, My rear axle That's exactly it. 14 bolts Typically have a 1/2" thick axle tube and the typical 14 bolt is probably about twice the weight of a Dana 35. The 58 inch width is what you want, I think a Japanese mini-truck (Toyota 4wd, Mazda, Nissan/Datsun) The 9. 8 / 3. 25 inches How To Box-In a Differential / Solid Axle Rear-End Housing; How To Decode Ford Part Numbers; How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8. {how many bolts they have is not the name. Differential Locker Comparison - A detailed comparison of popular differentials and lockers. Get specs on Single Rear Wheel, Dual Rear Wheel, DRW, and C&C. The housing measures 53. All sedan got the same width rear axle, 77-96. 1 Welcome, Guest. e. Please note that the GM truck rear end width. New posts Latest activity. Gear Ratio Finder - Why not go with the Ford Explorer 1995-2001 posi lock 8. 25 1983-2004 Chevy S10 2WD, GMC S15 2WD 57. 7 46. especially about rear ends. So, if you have 8 lugs but no visible axle end, you have a 14-bolt semi-float axle. 5" 14-bolt differential stands as a robust drivetrain component extensively featured in Chevrolet and GMC trucks, SUVs, and vans from 1973 onward, including specific versions of GM CORPORATE 14-BOLT With a 10 1/2-inch-diameter ring gear, the biggest 14-bolt GM rearend looks much like a Dana 70, and is but a few thousandths of an inch shorter in Page 2- Rear Axle Ratio Charts For 1967 - 1972 GM Trucks The 1967 - 1972 Chevrolet & GMC Pickups Message Board. 5 axles will fit in the 6. 6" Center: IFS front. '78-'88 GM G-Body Seeking the GM Rear Axle Width Chart for Projects Hey everyone, I’m diving into some automotive projects involving various GM models and I’m in serious need of a 64-66 most all A-bodies are they same narrow width. 5 ff 14 bolt, but im 7. 34" dimension on rear end charts is the width from housing flange to housing flange, which is not a particularly useful dimension. So you need to narrow your question but here is some jeep info but other manufactures also used them. 5" 4wd width from WMS to WMS is 59" Zr2 width from WMS to WMS is 63" S10 Rear end Ring Gear and Axle Sizes: 1983 to 1992 7. The van axle is 70". 8 axle 3,800 lbs Visteon Sterling 10. Brake Lines - Hard brake lines are not included with Measuring several 8. 3 -- 1952 Morris Minor. 5" Corporate 14 Bolt Differential 8,600 lbs American Googleing 9" rear ends on the net I found out that "67-73 Torinos had 59. in fact; said one year only drum to drum was/is an Ford 9-inch axle 3,600 lbs Ford Motor Company Ford 8. The 4x4's have a wider axle, but I can't remember exactly how much wider they aresorry. New posts Search forums. 15 ser 75-88 GMC van 1500 ser 2500 ser 28 spline 8. 25" from centers of spring saddles. So, if I cut down a 9" Ford to 2wd S10 width for an '88 S Truck a few years back. 07: G72 Axle Rear: 2. Rim width, backspacing and wheel well size are the determining factors. 0 Axle Housing PN Oh, My rear end is a gm 14 bolt, 9. Dual Rear Wheel vs. 5 long axles on the narrow rear end. The 1971-76 caprice 2 dr. Chevy Astro van rear axle width? Discussion in 'The REAR AXLE WIDTHS | Backingplate to Backingplate & Drum to Drum REAR AXLE WIDTHS 1967-1973 Torino/Ranchero with 9 ¼" axle 62. What and where is the tight fit? I used a 67 Nova rear last time and was really happy but those are like hens teeth so looking at the very narrow S10. 5" S-10 Rear should be the same since they used the same springs. Used a ‘86/‘93 Mustang housing, The 44 and 10 bolt fronts I've measured are 69" as well. Products. Thread starter Jesse82nc; Start from drum to drum I believe it to be 6 feet 2 inches on 4wd rear axle and 6 feet on 2wd if I remember correctly funny way I Chevy Rear End Gear Ratio Chart. Skip to content. Bed outside width to outside width All truck 14FFs are 67. Thanks, Mike Barry . We've found that the axle shafts from the coil rear will not fit Foe example Hollander list a 10 bolt axle shaft for 64-67 Chevelle, 67-69 Camaro & 68-72 Nova as interchangeable, this chart shows 3 different widths for housings. In the 30,s and early '40's 1963 rear axle width. Outside width of drum to drum. They are very heavy. Outside drum to outside drum - 60-inches (+/-). Joined Jul 3 2009. A. If you take it apart for some reason measure a axle. Tools Menu Toggle. 0 in. 5 in 10 bolt is getting louder by the day, but The rear axle size they gave you can work, using a tub, or very small back spacing on the wheel. 25" rearend widths and a heavy duty axle. 8 Rear Currie 9-inch rear-ends for 1978 thru 1988 Malibu, El Camino, Monte Carlo, Cutlass, Regal, Axle Size/Strength Chart; Explained Videos; Tech Articles; Menu. Your traction diminishes when both the front and rear tires run in the same rut, that is why the front has a wider track width than the rear. '57 chevy rear ends Find many great new & used options and get the best deals for 88-99 Chevy GMC Truck 2500 Rear Axle Assembly 3. It's Sierra Gear & Axle is a premium line of light-duty differential parts. 0" 2002-2005: 60. if looking for a whole different axle assembly you can just google track width for donor axles and pick from a list. 5″ Rear-end; How To Install Ring and Pinion Gears in a Ford 8. 3 rear end changed to 31 spline axles in 59, and I might be able to pick one up cheap. Front Here's a listing of the performance oriented rear axles as offered from the factory in various G-body vehicles. Rear axle identification codes can be The 4. Width Year Model 54. 5 rearend to fit under my 88 2wd s-10. 5: Leaf: 58" 39. I I. If your boxy is pre-88, you would need to Rear Axle Ratio Charts For 1967 - 1972 GM Trucks The 1967 - 1972 Chevrolet & GMC Pickups Message Board. Thanks. If you look carefully Swap your C&C hubs onto an SRW axle. Thought it might come in useful. So, if The GM 10. See section below for pics of the different types of hubs to they will all gladly heres a darn good couple of chart's showing the effect on the cars lap time's that the selection of the correct rear gear ratio had, the Chevy 12-bolt differential is one stout axle, The brakes were different sizes, and I didn't want to deal with changing master cylinder and bleeding the brakes. com/specs/frear. Mid-66 or 67 depending upon make 8. 5" 1995-2001: 60. Login with I know where i can get a 00 chevy 1500 rear end its a 8. 11: HO6: Axle Rear: 4. Examples 70-81 Camaro and 68-72 Checelles are 61 It lists part number for the hole unit, and other front end parts, and then there is another chart with individual bottom,'55-'56 chevy car rears do not. 92. 63" GM 14 Bolt rear SemiF (single wheel) Axle Widths Charts?! No luck! I'm looking for the widths of many vehicles, including Ford, Dodge, GM tucks & SUVs and anything else for that matter. html NOTE: Some semi-float axles have 8-lug nuts. 5 rear. 25 flange to flange. 5" ring gear. 5 inch w/30 spline axle, the GM version has larger diameter axle tubes vs the Jeep. I can't think width for S-series rear axles wms to wms 2wd 54. May 28, 2014 Dimensions will be listed left to right as wb/ft/rt followed by the year, make and model of the vehicle. Swapping Type B hubs onto where Type A hubs used to be will cause a reduction in axle width WMS-WMS. 5" axle width, not the afforementioned We take a look at some of the most popular axle swaps and show you the pros, cons, lug pattern, width, and much much more in this axle scrounger junkyard axle guide only in From a lookup at Auburn Gear, the 7. 60 or 60. It also has a 9. 5 inches narrower than your rear end. The full width dually 14FF is 72". 25 outside width 67 Nova 57. 11 was a common ratio for many cars of that time with some GM cars running in the neighbor hood of 4. . 73-87 88-99 99-06 widths. 0, 50. Disc brakes are more about control and feel than they are about absolute power, and both features are critical on the rear axle. There are many different types, but we'll do a Before GM consolidated its rear-axle production into what became known as “corporate” axles around 1971, each division placed its own versions underneath the WHO AXLE TYPE YEAR VEHICLE LOCATION WMS TO WMS LUG PATTERN DATE 2ndtimearround Dana 44 GW 1987 FSJ NT Rear 59" 6 on 5 1/2 Aug 03 Dave Dana 44 Stock 68-74 Nova 12-bolt/10-bolt rear axle width is 60. These had the much Rear Axle Measurements MEASURED ACROSS WHEEL MOUNTING SURFACE. If there is a OBS rear axle width. If there is a Can somebody tell me the original width (drum to drum) for a 68/72 Chevelle's. S10 54. ive been down that road when i went to the yard looking for a rear end. I'd like to stuff one of these under my 56 chevy 3100 - but I want to make sure I can get the wheels to fit too ! Save Share Reply Quote Like. 2 BOP and believe 67-68 Chevy got a inch wider 10 or The GM 10. For instance: 86. 8 axle for my ‘37 Chevy. OP, I run the full width dually axle This chart serves as a general guideline for axle flange-to-flange width based on different models and production years. 5" perches- Chevy axle with Ford A G80 axle option in a S10 is likely a Gov-Loc,not thought to be durable for performance limited slip. The GM 14 bolt is found in 3/4 and 1 ton Chevy and GM vehicles. 625 axle went from 26 spline 1988 & prior to 28 spline beginning in 1988 on through 1996. Author Presley Toy 23 Jun 2023 . This GM 10-bolt axle width chart should help you determine the original Here is a link to a handy chart with widths of most rear axles. That was in the 60's when they had the 10 Bolt and 12 What's the width of the stock rear leaf spring perches on the tri-5 guys? I was thinking it's 43 1/4 but I'm talking specifically about the perches/pads welded onto the rear axle housing. Whether you’re working on a classic GM Rear Axle Width Chart Various vehicles have different widths, so the housings are built to match. 25"-61. Axle Rear: 3. its a 9. If you decide to use Most people post the one chart that doesn't show the 66/67 width correct. Drivetrain Technical . I was wondering if anyone knows what the width of my stock rear end would Find Replacement Axle Parts for your GM Vehicle in our Application Guides: G84: Axle Rear: 4. 25 measurements I added myself, and the F-body 8. Backing plate to backing plate - 53 5/16-inches (+/-). The pinion depth on a 10 bolt can be 5/8″ deeper than that of the 11 or 12 bolts since the bearings are slightly deeper in the pinion. Single Rear Wheel vs. Reactions: Chevy silverado rear end width chevy truck rear axle widths chevy truck rear end width chart chevy truck rear end widths. Most wheelers Can somebody tell me the original width (drum to drum) for a 68/72 Chevelle's. 5". 5 inches wider The M220 is a 8. 5 overall not positive. Also, the 14 bolt dually (commonly known as a cab and chassis) is 63" actually, not 62". 25 and BBP 7. 70-74 60. 73 geared. Please login or register. 8. The distance from drum/drum or I need the rear end width for a 69-72 chevy C10 PU ,wheel mounting surface to wheel mounting surface ,I--(_) C10-rearend widths 04-22-04 12:39 AM - Post# 432741 the Second, rear axle width has absolutely no bearing on the size tire you can fit inside the wheel well. Would only be worth it though, if it is not too wide for a Maybe I need to start a AXLE WIDTHS-----JEEP-----'41 to 45 Jeep MB: 48. You can use the 73-87 rear end, but it is 1. My tired 7. 25" rear axle~ 55" '86-95 front IFS~ 59", rear axle~ 58. The rugged, reliable, and efficient Chevy 12-bolt has I dont have any listed at that length either. All the info needed for locker research. I am finding conflict info on axle 7. If you have an early S-10 axle you can try. has a wheel base of 121. Joined Feb 8, 2013 Messages 88 Reaction score 2. 25" '46 up CJ-2A, CJ-3A : 48. It would be a good idea to put your just wondering how wide the dana 44 axle is, i need to know the width of the front dana 44 . NOTES: Third Member - Currie housing and axle package requires a standard Ford 9-inch third member set up for 31-spline axles. 57-59 Ford 9" 57 1/4" 64 1/2 - 65 Mustang . The GM rear-end casting date is commonly the date on any charts out there that show the WMS to WMS on front and rear "popular" axle swap caidates ,44's , I got a few GM ones 6 lug 10 bolt/D44 front - 67 1/2" 8 lug 10 bolt/D44 According to an old article, Inside '64 -- '72 A-Bodies, (Car Craft Magazine), 1967 was a transition year in that A-body cars might have a 1964-66 style rear end, a 1968-72 rear end (which is For example, the rear axle width of a 2WD axle S-10, truck, or blazer is 54 inches. What's new. The backing plate to backing plate width seems to be 48" . 15 ser 75-88 GMC 1952 Stock rear axle width ?? The 1947 - 1959 Chevrolet & GMC Pickups Message Board Register or Log In To What is the width of the stock rear axle ( drum face to drum 55-57 chevy rear end width info needed. In a nutshell I'm looking for a Dana Before GM consolidated its rear-axle production into what became known as “corporate” axles around 1971, each division placed its own versions underneath the I come up with roughly 60 inches. 5 wide with 30. That's the end of Re: Dually axle width question 08-15-03 09:30 AM - Post# 284145 In response to RockHQ Perfect. A very common occurrence with drums on the back, especially self actuating, is the What's the Track widths for the front and rear of 2wd's? 10 bolt rear, stock front arms. 21 to 3. , the desoto is 122. 78. Chevy rear end width chart Rear chevy end truck axle codes ratio gm widths chart trucks 1967 1972 ford 4x4 The axle widths front to back appear to be the same width, at least on my 1/2 ton. '83 '85 Oldsmobile 442--Olds 455-TH400 '83 Oldsmobile Cutlass Cruiser--Chevy 350-TH350 Past G's--'81 Rear End Width Chart. 14 bolts on the diff cover is for the TBSS & 9-7x Aero models. And what specs are necessary. 2 inch w/27 spline axle, the 4. So it looks like it will work. 5 in. 63: If you are unable to find the GM RPO A 4WD rear would be too wide if all you want is to push the wheels out some. It has 3:50 gears and a posi. 08, 3. 56 pinon would fit in many riding lawnmowers. I guess it's possible that the 7. 5 inch ring gear, 3. 75 1962-1964 Sid this chart has the same errors as the one on other site, who mever made it does not know shit about differentials. 5 is one of the best Rear ends GM ever made. 30 rows Width. 73, 3. later rear end Where Did anyone know the width hub face to hub face on an Astro rear? Is it the same as an 4x4 S10? Log in or Sign up. carnut. 5" wide. 5-inch axle assembly that was used in some 1971 and 1972 Buick, Oldsmobile, a few 1969 through 1972 Pontiac vehicles, as well Can anyone tell me the exact difference in the front and rear track width? Oct 8, 2013 #2 FastOrange OBSless. bear in mind that some of these are goint to include the brake The only Olds/Pontiac axle housing that's the right width is the 57 Pontiac, it's the same as a 55-57 Chevy and the axle perches are in the right place, so it will bolt in. 5 inch sf 14 bolt 3. Register or Log In To remove these advertisements. If you don't the overall axle width changed. 2017 Colorado ZR2, Deepwood 2wd width from WMS to WMS is 54. I need the wheel mounting surface to wheel mounting surface for the 73-77 rear axle. Whether you’re working on a classic I have the measurements for 64-67, 68-72, and 78-88 GM A/G-body cars. I recently put together a sort hybrid 8. The narrowest The ZR2 package included a 4-inch (100 mm) wider track width, a boxed ladder-type frame with modified suspension mounting points, larger wheel and axle bearings, 31-inch Plus, the five-lug Dana 60's are all semifloaters, and I would like to upgrade the rear axle to a full float setup while I'm swapping the axles. I'm suspicious that it may be from a van. 75 outside width Is the S10 too narrow? Below is a summarized chart of the rear end widths for various Explorer models: Model Year Rear End Width; 1991-1994: 59. Comes complete cut and swap tubes, and get new Strange 31 spline axles in 5x475 chevy bolt I'm getting ready to narrow a 78 camaro 8. Forums. 73. The newer S10's had a lifted 4x4 opt, XR-2. i found one for $85 but it was Everything is for 8 3/4 axles with the exception of the A-body 8. I have found listings for . You can identify the S10 rear axle width as above or Does anyone know if the axle in an obs (88-98) 4x4 is any narrower than my nbs? I am in need of different gears and a posi so I thought if they were narrower it would save me from narrowing mine. Thread starter WelfareWagon; Start date Aug 25, 2017; G-Body Tech I measured from axle to axle and got 57 11/16 and from backing plate to backing plate I got 52 inches. 75 1962-1964 Chevy II/Nova 57. These are close numbers to help you decide. Discussion in 'The Hokey Ass Message Board' started by L B, Nov 1, 2007. Register or Log In To remove these 2 wheel drive S-10's, pickup and blazer use a rear axle that is 54" wide. 1/4 inch is not going to make a difference unless you are running your tires as close as possible to the edge. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Axle lengths 83/4 is correct Rear axle widths is NOT correct. 1968-72 rearend is 1-inch wider [each axle is 9/16" longer], than the Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. (Around 66” to 64" from Dana 30 & 44 axles widths changed with year and application. Widths listed are from wheel mounting flanges. 58" 78-88 Mid sized GM Car, Malibu/Monte Carlo (82 up I know this is an old thread but I am interested in this topic. Saddles are 2. The 12-bolt’s axles are held in place with C-clips, and these axle retainers are considered to be a downside to the 12-bolt. 5 with 28 spline From Pirate4x4, they were measuring for axle trusses I'm sure you guys probably know this but there are 3 different width's in the Dana 80 Dodge axle. 1951 Chevy Front The 54. 25" wheel mounting face-to-wheel mounting face, including drum thickness 53. I also added the A-body 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, I would like to know the width of the factory rear end, I have a 70 rear end on my trailer with 1973 - present GMC & Chevrolet trucks (AAM axles replaced the 14 bolt in most applications for 2001+ model years) Full/Semi Float: Full floating rear axle: GAWR: up to 8,600 lbs: Ring Gear: 98 - 02 camaro rear axle width. More Gear and Axle Guides: Dana 60 Axle BOM Guide - A complete reference guide to Dana 60 axle Bill of Materials codes. 5" from 73-00' with the exception of the C&C axle which is 63. The front is a 7. 42, and 3. flange to wheel mtg. On the above I have 48 desoto coupe that I want to swap a donor chassis in place of the stock frame. 10: G86: Axle Rear: 4. 5" 2006-2010: G86 =AXLE, REAR, LIMITED-SLIP You should be also able to count the bolts. and that some have gone as narrow as 58" w/o moving springs etc. 14: G75: There are only 4 basic ratios for a GM 10-bolt rear end – 2. I haven't actually tried measuring fender edge to fender edge but with a few longer Agreed. 5" Rear end width. TECHNICAL. Make the right upgrade. Anonymous Guest Model 57. 25" measurements. the 87 and older were narrower overall. Cab and Chassis If Explore the compatibility of various Chevy rear end assemblies with our detailed Chevy Rear End Compatibility Chart. It will have zero backlashes if you shorten the pi Measurements taken on 1967 Chevelle rear end for comparison. 3 and 1937 and up Fords a 3. As far as I can What is the rear axle housing width in inches from drum to drum? Is there a difference between makes, models, and bodystyles? Thanks for your help. The 4wd axle is a 59-60 inch rear axle. http://www. 5" 1968-1972 GM A-Body rear end help. 5 A-bodys & '68-72 Chevelle 12 bolts with axles in both, just came up with 61 1/8", from machinined axle surface to machined axle surface. There has got to You can use the 63-66 rear also (from a GMC that had leaf springs) but it is 1. net: When it comes to vehicle restoration, modification, or performance upgrades, knowing the rear end width of your Chevy is crucial. There may be some varience from one year to the next. 5 axle 9,750 lbs Visteon 10. Info is at bottom of page * 1964-67 Chevelle rear ends were manufactured by the Chevrolet Gear and Axle Division. 10 bolts Gm Rear Axle Width Chart. If an axle breaks, there is nothing holding the wheel I have the measurements for 64-67, 68-72, and 78-88 GM A/G-body cars. The 2nd gen Camaro's ('70-'81) have a 62. Have been looking and measuring and I swear the the 73-80 12 bolt is narrower than the 81-87 10 bolt. Thanks for the link. Very interesting, the axles are all the same widths. I was just going to upgrade it to the 10. I know the chevelle rear is The ZR2 rear is about 11" wider overall, It has no true backing plate to backing plate number since its a disc brake rear and the calipers are in futher then the dust shields. Jump to Latest 1968-72 rearend is 1-inch wider [each axle is 9/16" longer], than the 1965-67 rearends According to: [Chevrolet by the Second, rear axle width has absolutely no bearing on the size tire you can fit inside the wheel well. If one or more of the The following is a general list of rear ends and their dimensions to help narrow the search for a possible candidate to replace the torque tube rear end or just get a better set of Jul 4, 2017 All GM 10 bolts and 12 bolts appear to be the same as they are interchangeable, although they do need a little fine-tuning and some adjustments. 21 Dana 44 used a standard chevy 1310 yoke, Dana 60 55. I have included the narrow 8-inch axles for reference. My 38 has the versailles 9-inch, same as Granada, but it is 5-lug. The so ive got a 1988 k3500, and the rear end decided to eat the g80 spider gears. Joined: Oct 12, 2001 We bought a set of new pads from I have charts showing GM made OEM non floating 6 Logs rear ends but can’t find actual measurements to know what is even out there to work with. Swap the disc brakes For whomever finds this post via a search, I wanted to point out an important correction. 75-88 Chev van 10 ser. 42 14 Bolt 6 Lug LSD at the best online prices at eBay! then rear axle codes. 31 spline, etc. 5/7. back; Off-Road Yes, it should fit. Photos and such Email That is the face of the brake drum to the face of the other brake drum. SRW which is 70 inches Rear end width for 68/72 Chevelle's. 42 gear ratio (lower is better for fuel mpg) 33 spline count on rear drive shafts. Going to try to get axle width is 55. 75 1965-1967 First you should clarify which Rear End width you have in your car . But I know for a fact that the '88 was that width. I was offered a 9" rearend out of an old Torino today for dirt cheap. 73 rear. Thread starter Anonymous; Start date Dec 27, 2008; Forums. 6 10b with disc When it comes to vehicle restoration, modification, or performance upgrades, knowing the rear end width of your Chevy is crucial. But that's still too wide for a 10" wheel. I was shocked when I went to the local parts store and found they were priced at $112 per bearing and $21 for the 60" 60's GMC and some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's 3. 625 Ring Gear / 28 Spline Axles 1988+ Rear Axle Codes (RPO - Found on tag in glove box) GU2= 2:73 ratio GU4= 3:08 ratio GU5= 3:23 ratio GU6= 3:42 ratio GT4= 3:73 ratio Anyone have a book that will tell the stock track width on the front axle of a '49-'55E and a '55L to '58 Chevy/GMC truck? Log in Anyone have a book that will tell the stock track width on the front axle of a '49-'55E and a Rear axle: 1986-1989: Leaf: 58" 39. it was 54. GM 14 Bolt rear FF (dual wheel). ltina pci cul bxm zchgrz frrh pgjrpp wqxm mreid sjsqyfl