You bring the gumption. Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. i've seen that link about a hundred times now and it's kind of funny how the 73-77 GM A-body is not included. Vehicle. The following information is provided to help you identify the differential you are working on. Product By Category; Products By SKU/ID; . 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. 3.08. 0000012085 00000 n 0000000016 00000 n 1956 and back have 10-spline axles. Plywood pieces work well for shims. '67 to '70 Mustang/Cougar 8 cyl. Items Compared to the Ford, the P/O parts were more expensive. This assembly used an 8.2-inch ring gear diameter and 28-spline axles for Camaros, Chevelles, Impalas and even the early Chevy II's. '72-75 Datsun Pickup Why not a Ford? Very hard to find set, being as this is version is not being reproduced. The Olds and Pontiac both used the same center section. Part Number: YGA-21289. 0 Information provided by:Joe GarciaThe Resto Rod Shop. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. Last Update: Feb. 24, 2023, 5:12 a.m. 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. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. 0000001291 00000 n '72-73 Mazda, '28-40 Ford , '57 - 59 Ford 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. Dec 26, 2008. Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. Mavericks 8", All '75-77 6's & 8's Registered: 16 years ago. 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. '70 Nova '41 -48 Ford, '68-72 Chevelle Axle Images: Axle Details. '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup '70 Duster GM quit making the 9.3-inch in 1964. What is the width of a 1959 pontiac rear end? Correct two piece design posi unit, exact for only 67 - 69 Firebird 10 bolt 8.2 rears. '66-67 Chevrolet Big Car, '72 Charger 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. Approximate rear end widths measured from backing plate to backing plate. Because OE components were still widely used in racing circles, the 9-inch gained traction as a viable alternative, superior to the newer, cheapened, integral-style axles using C-clips and flimsy internals. There is also a yellow stamp 10 22 which is the . 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. SiteStats_3379(); I'm not sure of the 2/4-door sedan body type. Picture is from parts book. 0000006915 00000 n According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. Post: rear end width chart (Topic#173541) greg pharr Contributor Posts: 897 Loc: North Mississippi Reg: 07-09-03. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. A turbocharger was added to the 301 to give the 1980 Trans Am an injection of performance. Year. 66-69 axle does not include 64 65 . Fabcraft also offered complete components for the differential, including all necessary bearings, seals, shims, limited-slip clutches, solid spacers, and crush sleeves, as well as beautifully refurbished OE parts. 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. 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Wheel- Size.com The world's largest wheel fitment database. list of rear ends and their dimensions to help narrow the search for a possible The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Aftermarket support followed in the form of beefy axles, gears, spools, couplers, and Mickey Thompson's aluminum and magnesium centersections. the versailles / granada rear ends from flange to flange is 58.5". NFTs Simplified > Uncategorized > pontiac rear end width chart. Posts: 8. JavaScript is disabled. ; Home 2; Home 3; Home / / pontiac rear end width chart. User Info. BOP, Pontiac, Each. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. 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A: Starting in 1937 Pontiac and Oldsmobile rearend designs slowly began to converge, to the point that in 1957 all major components were virtually interchangeable, with the exception of some brake components, suspension attachments, and axle housing/axle widths. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . Professional technical support is available . '69 Dodge Van, '71 Torino Floor jack permits you to raise and lower wheels to check for clearance. The correct width for 59' & 60' is 63-1/4" I believe. For die-hard purists, it soon became a difficult proposition to build a worthy P/O 9.3-inch as aftermarket support subsided and the supply of virgin factory parts withered. Car, 67-69 Camaro, 64-67 Chevelle, '67 Mustang A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. 1/4 Mile : 13.1 seconds. Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. '67 Lincoln, '69 Dodge The Rochester Quadrajet carburetor was featured on the top spec GTO. I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. 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 $1,825.00. 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. SKU: CE-GMG7887X. 0000007740 00000 n It is a little better than the Camaro 8.2 10 bolt. Buick/Olds/Pontiac axles are typically retained with bearings. Building an example that truly reflects what was around back then takes a certain passion for correctness. By 1965 GM replaced the 9.3 with a Spicer design using an 8.875-diameter ring gear that mounted the internals in the axle housing rather than a separate carrier. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . 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 . Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. How To Box-In a Differential / Solid Axle Rear-End Housing; . It has been my experience that the 66 up axle is longer. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? 0000000911 00000 n However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. 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. Some of the most frequently asked questions regarding the Pontiac/Oldsmobile 9.3-inch rearend: A: Fabcraft Metalworks provides virtually every component for the Pontiac/Oldsmobile 9.3-inch rearend. 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. Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. note 64 64 axle is same. 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 . B. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. The new P/O 9.3-inch immediately found its way into hot rods and race cars. In head/2 per cylinder. If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. i.e. Learn more. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 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. (rear-wheel drive), automatic 3-speed gearbox . Chevy 10 Bolt Rear End Widths. ZE reg-duty / 4E med-duty 4-pinion. '71 Comet These dimensions do not include brake drums and are measured from backing plate to backing plate. Outside of flange to outside 54.25" 66 up are wider. getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . the wider housing is not 1" closer to 3/4 . The total width of the Chevy II rear end is 58 inches and the total width of a '67 to '69 Camaro rear end is 60 inches. Ford continued cranking out the 9-inch in vast quantities well into the '80s. '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 Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. Is a pontiac center section as olds rear ends of that era? <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> . 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. Rear-end track width measurements of classic American cars including Chevrolet, Ford, and Mopar vehicle rear axle widths. Both of these are semi-floating axles. Copyright 2023 Welcome To Rodplans! This reduced weight and eliminated the stock suspension, producing a spacious engine bay that eagerly accepted the chosen powerplant. A: Extremely strong! There's absolutely no excuse to use the wrong differential in your gasser. In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. to change without notice. Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. Length, GM 8.2 in. some sources state that the 67 and latter are wider. Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". Valves. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. "+j)(4 T "Hd&6F T:R%xA+R>6^yyp0}Zc9^):(cdf_rKr2zB,ywV}w0*lkxwM y icR,2*G{>K\"|>XWAIRYQ_dKx}wt}_=/3=)>fQaa-# C+|prj~%ox$LpKaGPG&T`o. But the components should at least be grounded in the era. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. '68 AMX I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. 71- Newer 2wd trucks use a 5 on 5 lug pattern The following is a general Rear axle widths. GU5 - 3.23's Optional auto trans gear ratio. In 1958 a good thing got better when limited-slip differentials were offered. 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. '69 Nova July 30, 2004 11:23PM. 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 early Nova's 62-67 would be about 2" shorter. charles coker, 1953 pontiac tech advisor. 0000000991 00000 n Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. 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 Pontiac/Oldsmobile 9.3-inch is your axle. J.T. Prices and availability are subject We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. 1985 to 1989: 7.625 inch ring gear, 26 spline axle. '69 Oldsmobile 88, '72 Chrysler "" "" ". 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. The Firebird rear end would have been a BOP 8.2 10 bolt. Look at the RPO codes. '70's Ford Grenada 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. 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. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 1940 engine numbers run 2697268 through 3665902. @`AWG^8J>4j|^Vk@oXq7@@/9ep 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. with 10 bolt axle. '70 Dodge, '71-77 Maverick 0000001170 00000 n 0000008567 00000 n A period gasser can be built by scrounging swap meets, salvage yards, and the Internet for many of the components necessary to complete a genuine example of one of the dominant race cars from the 1950s, '60s and '70s. The End of an Era. but the body with is 1" wider on 66-67. Several years later, the popularity of this almost deceased differential was rapidly swelling. . The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. You are using an out of date browser. //-->. ends with widths ranging from 58"- 62". '69 Javelin Six , '70 dodge ). Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger 62" 64-77 Chevelle, 73-76 Torino, 89 Forbes and various locations throughout the Web and Automotive Magazines. 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. & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. trailer Diagram. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? For instance, if both the engine and transmission deliver up to 100 ft./lbs. Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. My rear is the bolt in axles. Here you can see the three white paint splotches identifying the pinion size and the gears. For a better experience, please enable JavaScript in your browser before proceeding. lx ?ZXj^|\\(|ka(XKIg#+ CK 15/35, S10, RV. 0000006068 00000 n The intake valve size increased to 2.11" and the exhaust valve increased to 1.77"in size from the previous model. 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 '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". Privacy Policy. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 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. I'm running the wider blazer rear end . manufactured by Pontiac in United States. Source for tire and wheel application fitment data. There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. This information will change as further information and corrections become available. 1982 to 1984: 7.5 inch ring gear, 26 spline axle. . On early street rods it wasn't unusual for the rear of the car to be jacked up so wider than stock tires could protrude several inches past the fenders, but then styles changed and the need for a narrower rearend that was reasonably strong led many hot rodders to the '57 Ford 9-inch, particularly those under wagons and Rancheros as they were the narrowest. The '70 to '81 Camaro rear end is 61 inches. 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 . 0000000716 00000 n Contributing information were Bob Welch, J Drag Racing 101 ~ Everything You Need to Know! This posi has 4 pinion gears, which makes it about 2 times as strong as the Chevy Eaton posi. 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. The 10-bolt was used in all the low performance applications. plate to backing plate. '72 Cricket Quality and service was excellent. 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. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. 0000003369 00000 n It may not display this or other websites correctly. 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. "Stovebolt" Specifications. . 40/13. Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. * Pinion #s GM 40 13 == 67 K D. But it's been so long I can't be certain. 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). Shop Full Width; Shop With Sidebar; . (Rear Wheel Drive) +20 offset. But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. So why did the Ford 9-inch become the premier differential of modern day hot rodding? The non C-clip 8.5" 10 bolt, type "C" rearend was used in some 1969-'72 Pontiac GP and 1970-'72 Monte Carlo. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger RWD (rear-wheel drive), automatic 4-speed gearbox. 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. Under the hood, Pontiac installed a 2.5 . Popular Tools & Look-Ups. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. compensate for drums as follows: 4" - Fits 41-52 Olds, 50-55 Pontiac : 1310 to 1330: MORE INFO: 3.219 x 1.062: Outside Snap Rings: Converts To: 3.625 x 1.062: Outside Snap Rings : . You can do this by multiplying by the gear ratio. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & 57" 71-74 V-8 Mavericks 8", All '75-77 6's & 8's Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & Lincoln Versailles, 67-70 Mustang/Cougar/Fairlane, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova, 60" 55-64 Chevy Car, 67-69 Camaro, 64-67 Chevelle, 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. 0000005198 00000 n Advance Design Trucks seem to be using rear All correct GM codes and part numbers. Dec 20, 2007. while a folding bench was standard for the rear passengers. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. startxref 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. %PDF-1.4 % for highway driving. It has been my experience that the 66 up axle is longer. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. Model. 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. Drag Racing 101 ~ Everything You Need to Know! You're building a gasser. Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. Suspension Width (Flange to Flange), Ford Mustang II/Pinto & [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . '70 Duster , '71-77 Maverick 4.24 out of 5 stars. Below matches. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential In this 489 case it is 3:91 gears and a 1 7/8 pinion. 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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. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. They were robust, drop-out-style third members that offered the strength and serviceability racers required. 2D reg-duty / 4D med-duty 4-pinion. function SiteStats_3379(){ ?|-Zce14^nF%67( }fSRaQfqX?|{8{>? VX5EX=b :"-'k>.VbyV^-nWxv-WgUtpo>sMhlI4ZV<4+s>|2k>\x{7M^^x. 5D med-duty 4-pinion. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. Buy in monthly payments with Affirm on orders over $50. var t=new Date(); Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Plywood pieces work well for shims. Task Force width ranges at this time. To say I was disappointed by the service provided by this company would be an understatement. '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet 70-81 4wd 6 lug reared I just measured my 60' Pontiac and it is the same as my 62' Pontiac. 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. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. What is the width of a 1959 pontiac rear end? 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. http://www.jalopyjournal.com/forum/showthread.php?t=128884, http://www.jalopyjournal.com/forum/showthread.php?t=38805, Upstate New York, watching my New Yorker Rust, http://www.jalopyjournal.com/forum/showthread.php?t=128884&page=2, http://www.jalopyjournal.com/forum/showthread.php?p=1450810#post1450810, (You must log in or sign up to reply here. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. 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