plate to backing plate. 0000001170 00000 n while a folding bench was standard for the rear passengers. 0000006068 00000 n I have a source for the axleshafts and the difference in the shafts shows this to be true, BUT doesn't show the diff center . In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. endstream endobj 19 0 obj<> endobj 21 0 obj<> endobj 22 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 23 0 obj<> endobj 24 0 obj<> endobj 25 0 obj[/ICCBased 36 0 R] endobj 26 0 obj<> endobj 27 0 obj<> endobj 28 0 obj<>stream 71-76 Full Size Cars " The now famous Ford 9-inch, with it's unique, straddle mounted pinion, offered great strength for its weight, but even the heavy-duty nodular-iron version suffered from weaknesses that the 9.3-inch did not. 0000003369 00000 n Stop listening to your street rodder buddy and back away from the 9-inch. '67 Mustang The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. I used 5" long lag bolts to hold the end pieces of wood on which permitted me to add up to 1.5" of shims to each end. Car, 67-69 Camaro, 64-67 Chevelle, for highway driving. I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. A: By casting numbers and date codes, along with other external characteristics, all of which are shown in the manual by Zach Davidson and Brad Duerst. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. some sources state that the 67 and latter are wider. trailer Length, GM 8.2 in. 0000000911 00000 n B. Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. 0000001291 00000 n Approximate rear end widths measured from backing plate to backing plate. J.T. '72 Cricket Model. They're tough, right? '70 Duster , '71-77 Maverick Your Nova should be the same as 67-69. Is a pontiac center section as olds rear ends of that era? Yes the axles were special in that I wanted to use a 28 spline center section already had rather than buy a new 3rd member to suit the 31 spline axles that Speedway stocked. A turbocharger was added to the 301 to give the 1980 Trans Am an injection of performance. It has the 4.75" bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. HVr0*u9$K;IG]&U&"x\s. '62 Buick Skylark, '67 Chevrolet Six L = Low - Zero to Negative Offset, Offset typically RWD (Rear . 0000001644 00000 n A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. Part Number: YGA-21289. This engine produces a maximum power of 142 PS (140 bhp - 104 kW) at 5200 rpm and a maximum torque of 230.0 Nm (169 lb.ft) at 5200 rpm. With perhaps less than 10 percent of Pontiac and Oldsmobile fullsize cars possessing the Safe-T-Track and Anti-Spin options, prices for unmolested examples remained high. Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. used a 3.21 Dana 44 used a standard chevy 1940 engine numbers run 2697268 through 3665902. Wheel- Size.com The world's largest wheel fitment database. The correct width for 59' & 60' is 63-1/4" I believe. 1990 to 1992: 7.625 inch ring gear, 28 spline axle. I'm sorry if I repeated what I've learned to accept as fact, but there are other reasons besides what I've read that have convinced me that '64/'65 housings are narrower than the '66/'67. Re: Rear end interchangability 1965 to 1967 IMPAL. This information will change as further information and corrections become available. '69 Cougar, '71 -73 Nova Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. You're building a gasser. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. All correct GM codes and part numbers. AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . Product By Category; Products By SKU/ID; . Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? Chrysler sent out the last of its 8.75-inch rearends in the early '70s. 0000000991 00000 n the versailles / granada rear ends from flange to flange is 58.5". )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw I've heard 'prolly torque-tube' from most that I've asked My friend's stock '41 Pontiac is open drive, so I would imagine that the '50 is as well. You bring the gumption. 3.08. Engine Numbers. The two makes used very similar differentials through the mid-'40s and into the '50s. Because the Borg-Warner axles were no longer being used for the G92 option, optional axle ratios changed slightly: LB9 305 TPI 5 speed went from 3.45 (1989) to 3.42 (1990) and the B2L 350 TPI went from 3.27 (1989) to 3.23 (1990). '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '67 Lincoln, '69 Dodge Fabcraft can also supply an excellent manual that tells you everything you need to know about these rearends, along with instructions on overhauling them, or they'll refurbish a rearend for you. Here you can see the three white paint splotches identifying the pinion size and the gears. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. These dimensions do not include brake drums and are measured from backing plate to backing plate. '69 Nova ; Home 2; Home 3; Home / / pontiac rear end width chart. lx ?ZXj^|\\(|ka(XKIg#+ Q: What cars did they originally come in? How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. Compared to the Ford, the P/O parts were more expensive. Approximate rear end widths measured from backing plate to backing plate. 1958-1970 Chevy Rear Differential code Identification : Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. If you would like to compare the fit with a couple of different widths build your wooden rear end for the narrower width and then add shims to the ends to change the width. 1/4 Mile : 13.1 seconds. Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. Professional technical support is available . By designing ring-and-pinion sets to fit the previously less-attractive, but more available, Series II OE carriers, performance ratios could now be utilized without the need for an unfavorable ring-gear spacer. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. GU2 - 2.73's Standard auto trans gear ratio. The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. S10. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '69 Oldsmobile 88, '72 Chrysler Demand exceeded supply, so after several years of planning, designing, and prototyping, Fabcraft Metalworks teamed up with a major U.S. manufacturer to produce a brand new, extreme-duty limited-slip differential for the 9.3-inch called the Trophy Track. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's Mavericks 8", All '75-77 6's & 8's SKU: CE-GMG7887X. 0000005198 00000 n Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. 1982-1997. GMC V-6 Very hard to find set, being as this is version is not being reproduced. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Shop Full Width; Shop With Sidebar; . For instance, if both the engine and transmission deliver up to 100 ft./lbs. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. Pontiac/Olds rearends had been widely used full width under Gassers and other cars and even though lots of slingshot dragster pilots had their legs draped over a narrowed version, custom-width rearends were seldom seen in other applications and almost never under a street car. The housing came in a couple of weeks but without the axles. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. manufactured by Pontiac in United States. During the production run a third-generation gear case was introduced, oddly enough with slightly smaller pinion bearings, which was probably a cost-cutting move. Currie Centurion Housing - Classic notchback looks in a new, high-strength, American-made housing, that features 3-inch diameter axle tubes, and CNC machined face flange, for a flat leak-free . I just measured my 60' Pontiac and it is the same as my 62' Pontiac. '70's Ford Grenada What is the width of a 1959 pontiac rear end? The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. SiteStats_3379(); . These rearends were the Hotchkiss style, which means the ring-and-pinion gears, along with the differential components, are housed in a removable carrier, making gear changes and axle replacement quick and easy. '72-73 Mazda, '28-40 Ford , '57 - 59 Ford I placed the order with Speedway motors in late July for my rear end housing and Currie axles. 66-69 axle does not include 64 65 . Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, Early Ford Beam Axle Identification and Dimensions, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Install aLimited Slip/Posi Unit in a GM 10 Bolt 8.5 Rear-end, How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End, How To Rebuild a GM 10 Bolt Chevy 8.5 Rear End, How To Select Proper Rear-End / Differential Gear Ratio, Popular Automatic Transmission Dimensions, Popular Automatic Transmission Identification Chart, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. It may not display this or other websites correctly. 2D reg-duty / 4D med-duty 4-pinion. Last Update: Feb. 24, 2023, 5:12 a.m. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. 53.6 -- 1971-'77 Chevy Vega, 1973-'77 Pontiac Astre, 1975-'80 Chevy Monza, Buick Skyhawk, Olds Starfire, 1976-'80 Pontiac Sunbird 112.0 coupe; 116.0 sedan,wagon, 61.5, 60.7 -- 1973-'77 Oldsmobile Cutlass, 442 '70 Dodge, '71-77 Maverick 1956 and back have 10-spline axles. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Outside of flange to outside 54.25" 66 up are wider. hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. Willwood Engineering. Pontiac Differential Codes Year Model Rear Ratio Tooth Count Std Code Posi Code 1970 Big Pontiac 2.56 41/16 UC VC 1970 Big Pontiac 2.73 41/15 UD VD 1970 Big Pontiac 2.93 41/14 UE VE 1970 Big Pontiac 3.23 42/13 UG VG 1970 Big Pontiac 3.42 41/12 UH VH 1970 Firebird 2.73 41/15 CRX CRY Other changes were made to the limited-slip carrier, but strength was not adversely affected. function SiteStats_3379(){ Ford continued cranking out the 9-inch in vast quantities well into the '80s. 0 "Stovebolt" Specifications. If you would like to compare the fit with a couple of different widths build your wooden rear end for the narrower width and then add shims to the ends to change the width. Diagram. Drag Racing 101 ~ Everything You Need to Know! Picture is from parts book. You can do this by multiplying by the gear ratio. Many aftermarket options exist with all of the appropriate mount points. A solid front axle was found under the front of nearly every gasser. The 8.75 (8 3/4) rear end LOADS FROM THE FRONT and IS THE ONLY REAR END THAT DOESN'T HAVE A REAR COVER. endstream endobj 29 0 obj<>stream 20 0 obj<>stream Axle Images: Axle Details. The GM 8.2" axle is available in two configurations: The standard GM 8.2" version features an 8.2" diameter ring gear with 28 spline axle shafts that are held in place using c-clips. the wider housing is not 1" closer to 3/4 . Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. Cars from all the traditional drag racing classes are being built and/or restored, but among the most popular of these period-correct builds are the cars riding high on solid front axles and sporting fenderwell headers: gassers. Plywood pieces work well for shims. * Ring #s GM 40 13 == 67 - 8 - A. '72 Charger note 64 64 axle is same. 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. In this 489 case it is 3:91 gears and a 1 7/8 pinion. All Pontiac Firebird 2nd-gen. Trans Am Coupe versions offered for the year 1977 with complete specs, performance and technical data in the catalogue of cars . A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Cylinders. Below matches. i.e. GM / Chevy - Differential IdentificationShop by your differential. These smaller volumes and domestic content result in slightly higher prices. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. cars 6" - 8" for large cars, '71 Colt Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid M&M CUSTOM. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. The 55-57 Chevy car rear-end is almost a bolt in, the perches need to be relocated to the top of the housing though. Contributing information were Bob Welch, J There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . All but a few of the old factory limited-slips had been gathered up and beaten to death. All Rights Reserved. The 1967 Firebird has the particularity to have a rear axle held by arms while in 1968 rear axle was hold only by the blades/spring of suspensions. Additionally, it can be a relatively affordable way to enjoy a day at the track. You are using an out of date browser. Ford. Click the above picture to view full size. Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. Chevy 10 Bolt Rear End Widths. NFTs Simplified > Uncategorized > pontiac rear end width chart. If you noticed the axles are missing you would be correct. 0000002353 00000 n GMC V-6 used a 3.21 Dana 44 used a standard chevy 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. 5" for small cars 5" - 6" for intermediate Six-cylinder truck engine block and head casting numbers. Buy in monthly payments with Affirm on orders over $50. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. 62" 64-77 Chevelle, 73-76 Torino, 89 If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. Someone may correct me, but as I recall 1959 was the first year for the "Wide Track" Pontiac. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! The T/A 6.6 was available for most of the model year, but once the supply of stockpiled 400s was exhausted, it signaled the end of the big Pontiac V-8. '72 Dart My rear is the bolt in axles. A little history: In 1957, three important axles were introduced: Ford's 9-inch, Chrysler's 8.75-inch, and GM's 9.3-inch Hotchkiss-style axle for Pontiac and Oldsmobile. Advance Design Trucks seem to be using rear 4999 mm / 196.8 in, width: 1854 mm / 73 in, wheelbase: 2746 mm / 108.1 in; reference weights: base curb weight: 1653 kg / 3644 lbs ; . Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. The Pontiac/Oldsmobile 9.3-inch is your axle. Rear-end questions. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. I actually had the axles in less than 4 days! may be different than pictured. 60" 60's GMC and GU3 - 3.08's V6 gear ratio. . '70 Duster %twE_( H@v7H f)p* 0KO|O n>+ I'm running the wider blazer rear end . 1985 to 1989: 7.625 inch ring gear, 26 spline axle. 66-69 axle does not include 64 65 . The early Nova's 62-67 would be about 2" shorter. Brand new gears in ratios from 3.42 through 5.38 could be purchased and mounted on a new forged-steel spool with 31- or 35-spline axles. Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. "SPECIAL" CARS - 1938 Pontiac Special six. If you're running a blower, turbo, nitrous, etc you will probably want to step up to a larger rear like a 9" or 12 bolt. 3.21 to 3.92. For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. %PDF-1.4 % pontiac rear end decoder year ratio open posi model notes: . Look at the RPO codes. 100 x 4.12. While it still may take an investment in time to locate a good third-member core and housing for your gasser project, these components are still relatively plentiful and quite affordable. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. The 1' wider that was stated in paul/chuck 's book may have been miss spoke. 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. The actual width that I made out of wood was based on both the measurements I had taken with the loose wheels and my research to determine what widths were available for purchase. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . '69 Javelin Six, '39 -48 Chevrolet The following tags will show a 4L80E transmission as an example. "+j)(4 T "Hd&6F T:R%xA+R>6^yyp0}Zc9^):(cdf_rKr2zB,ywV}w0*lkxwM y icR,2*G{>K\"|>XWAIRYQ_dKx}wt}_=/3=)>fQaa-# C+|prj~%ox$LpKaGPG&T`o. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. 2/4-door sedan body type. (Rear Wheel Drive) +20 offset. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 57" 71-74 V-8 But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. In head/2 per cylinder. Wheel Stud *. In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. . Items GU5 - 3.23's Optional auto trans gear ratio. (rear-wheel drive), automatic 3-speed gearbox . In the '50s and '60s the search for high-performance parts usually meant a trip to the wrecking yard to rob components, engines, out of big, powerful cars of the dayChryslers, Fords, Cadillacs, Olds, Pontiacs, and W-Chevys were all used. [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . GM quit making the 9.3-inch in 1964. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, Original VehiclesRear Suspension Width (Flange to Flange), Donor Vehicles Front and RearSuspension Width (Flange to Flange), Items '69 Javelin Six , '70 dodge That being said, if you have at least 2" of clearance (and preferably more) between your stock tire/wheel combo and the frame or exhaust pipe, whichever is closest to the tire, then a 56" rear end width could possibly fit. '73 Ventura, '65 Ram American Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. This posi has 4 pinion gears, which makes it about 2 times as strong as the Chevy Eaton posi. CK 15/35, S10, RV. Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. I cut two axle flanges from a couple of short pieces of wood and then used 3/8 lag bolts to attach them to the longer center portion of the rear axle. Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. The non C-clip 8.5" 10 bolt, type "C" rearend was used in some 1969-'72 Pontiac GP and 1970-'72 Monte Carlo. Once I had the wooden rear end made I attached the wheels to the small wood axle flanges with wood screws and large washers to stop the screws from pulling through the lug nut holes. 0000012085 00000 n You can identify the B-O-P assemblies by the two reverse-scalloped sections of the differential cover located at the 9 and 3 o'clock positions. Your differential is the set of gears that allows your vehicles driven wheels to revolve at different speeds by splitting your engine torque in two directions, An Online Magazine for DIY Hot Rod Builders. '69 Oldsmobile 88, '72 Chrysler Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. to change without notice. Dec 20, 2007. Valves. Another factor that made these rearends popular was the wide selection of factory gear ratios available, 2.56:1 through 4.30:1 while even lower drag racing cogs were available from aftermarket suppliers. Copyright 2023 Welcome To Rodplans! Is a pontiac center section as olds rear ends of that era? Floor jack permits you to raise and lower wheels to check for clearance. The 1965 Pontiac Tempest LeMans measures 74.40 inches in width, The 1965 Pontiac Tempest LeMans measures 206.20 inches in length, and has a wheelbase of 115.00 inches. HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o @`AWG^8J>4j|^Vk@oXq7@@/9ep Calculating the torque multiplication that your axle gears provide is quite easy. may be different than pictured. 0000004229 00000 n 0000006915 00000 n Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build 0000002004 00000 n Both of these are semi-floating axles. Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . In their day Pontiac and Olds rearends had a well-deserved reputation for toughness and reliability, that's why they were found under so many hot rods on the dragstrip and the street. Quality and service was excellent. They are also easily modified to suit any chassis. Numerous e-mails and phone calls, stories of lost and found axles finally resulted in an e-mail from Speedway motors November 22nd apologizing for not handling this order in a timely manner and that a refund would be sent today. 60" 60's GMC and some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's 3.21 to 3.92. Ford Mustang Complete 9" Rear End Packages, GM G-body 78-87 Complete 9" Rear End Package, GM Chevy S10 82-04 Complete 9" Rear End Package, GM Tri 5 55-57 Chevy Complete 9" Rear End Package, GM X-Body Nova Complete Rear End Packages, Axle Bearings, Retainer Plates, & Wheel Studs, Bearings, Differential Parts, Seals, & Hardware, Master Cylinders, Caliper Kits, and Parts. A little history: In 1957, three important axles were introduced: Ford's 9-inch, Chrysler's 8.75-inch, and GM's 9.3-inch Hotchkiss-style axle for Pontiac and Oldsmobile. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. There is no point in mocking up the wheels to a width that in not commercially available or one that was never provided by the OEMs unless you are planning on spending a lot more money on a custom width housing and axles. 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. 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VX5EX=b :"-'k>.VbyV^-nWxv-WgUtpo>sMhlI4ZV<4+s>|2k>\x{7M^^x. 3:08, 3:40, 3:73 Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. The Dana rear end is a bolt in swap for the both the 8 3/8 and the 9 1/4, all rear ends can be had with the same size u joint yokes, vans are good place to. 1939 engine numbers run 1915447 through 2697267. 0000008567 00000 n B-O-P axles also have identifying grooves traveling along each side of . 1982 to 1984: 7.5 inch ring gear, 26 spline axle. Estimated Lead Time: 5-Days. Aftermarket support followed in the form of beefy axles, gears, spools, couplers, and Mickey Thompson's aluminum and magnesium centersections. Plywood pieces work well for shims. You must log in or register to reply here. July 30, 2004 11:23PM. 0000000716 00000 n startxref '71 - 72 Pinto Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. GM 7.75" (Australian - Some 3rd Gen Camaro/Firebirds) GM 8.0" - Rear - Late Model Midsize Truck Ring Gear Diameter: 7.75" Ring Gear Diameter: 8.0" Pinion Diameter / Spline: 27 Pinion Diameter / Spline: 1.781" / 27 Ring Gear Bolts: (8) Ring Gear Bolts: (10) 7/16"x20 LH Cover Bolts: 9 Cover Bolts: 10 Carrier Breaks: 2.77 / 3.27 Carrier Breaks: None June 5, 2022 Posted by: Category: Uncategorized The 8.75-inch had slightly larger, 30-spline axleshafts compared to the P/O's 29-spline shafts; but by 1959, big 31-spline factory shafts were standard, and aftermarket shafts for the 9.3-inch eliminated any supposed shortcomings. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> pontiac rear end width chart. For a better experience, please enable JavaScript in your browser before proceeding. 18 0 obj<> endobj Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. 1969. find the 1/2 ton size yoke on a dana 60. On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . gasoline (petrol) engine with displacement: 5690 cm3 / 347.2 cui, advertised power: 216 kW / 290 hp / 294 PS ( SAE ), torque: 509 Nm / 375 lb-ft, more data: 1957 Pontiac Chieftain Sedan Tri-Power Hydra-Matic (aut. If in doubt, consult one of our differential experts at (800)510-0950! The 301 was Pontiac's only V-8 left in production by 1979. The Rochester Quadrajet carburetor was featured on the top spec GTO. PY Online Forums - Bringing the Pontiac Hobby Together, Classic TECH- specs, codes, resto issues FORUMS. list of rear ends and their dimensions to help narrow the search for a possible . 0000015097 00000 n of extensive information was contributed by R. Welch: Original Vehicles 0000002277 00000 n 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 gears for highway driving. Popular Tools & Look-Ups. note 64 64 axle is same. Thanks to the efforts of the Fabcraft Metalworks crew all the parts necessary to rebuild one are available along with a selection of improved components and special tools to make working on them easier.