pontiac rear end width chart

It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. 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. '72-75 Datsun Pickup And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. 71- Newer 2wd trucks use a 5 on 5 lug pattern Approximate rear end widths measured from backing plate to backing plate. . & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. 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. %twE_( H@v7H f)p* 0KO|O n>+ Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55, Worlds MOST Unusual Cars Ever Made, Found In One Warehouse, Lower the Bar ~ Perfectionism is Ruining the Automotive Hobby, 1971 GMC COE Fire Truck to Ramp Truck Car Hauler Build, Roadkills Best (and Worst) Drag Strip Tests, How To Choose the Correct Drag Racing Tire, 25 Tools and Gift Ideas Under $15 From Harbor Freight You Need, The Myths And Realities Of Carburetor Sizing, The Inaugural No Name Nationals Drag Race & Burnout Contest Coverage, Lawn Mower Racing ~ The Worlds CHEAPEST Motorsport, Quick and Easy DIY Headliner for Less Than $20, 1928 Ford Model A Coupe Goes From Yard Art To Driver, How To Turn Railroad Track into a DIY Homemade Anvil, New Docu-Series from Rat Rod Magazine ~ American Rust, Finishing a Late Friends Handmade 1956 Baby Buick Special Mini Car, Best 3-Ton Floor Jack? 66-69 axle does not include 64 65 . 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. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. 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 Will only work with bolt in style axles. Aftermarket support followed in the form of beefy axles, gears, spools, couplers, and Mickey Thompson's aluminum and magnesium centersections. Year. trailer If you noticed the axles are missing you would be correct. The correct width for 59' & 60' is 63-1/4" I believe. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential Q: What cars did they originally come in? 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. 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. Length, GM 8.2 in. 0000000016 00000 n xref 0000002038 00000 n note 64 64 axle is same. (rear-wheel drive), automatic 3-speed gearbox . Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? 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. These dimensions do not include brake drums and are measured from backing plate to backing plate. '67 Chevrolet big car Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. 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. The 301 was Pontiac's only V-8 left in production by 1979. 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. The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. ; Home 2; Home 3; Home / / pontiac rear end width chart. On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . '71 Comet 100 x 4.12. 0000000991 00000 n It has been my experience that the 66 up axle is longer. The '70 to '81 Camaro rear end is 61 inches. July 30, 2004 11:23PM. Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. For some time, only a small handful of ratios were available in new gears. Advance Design Trucks seem to be using rear The Pontiac/Oldsmobile 9.3-inch is your axle. The following list 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. Re: Rear end interchangability 1965 to 1967 IMPAL. 1957-58 are 29-spline and 1959-1964 are 31 spline. 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. Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. '70 Duster Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. NFTs Simplified > Uncategorized > pontiac rear end width chart. Rear axle widths. note 64 64 axle is same. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. Chevy 10 Bolt Rear End Widths. Prices and availability are subject 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 wider, and commonly available), or a "hybrid" rear end, which will have the 60.5-inch width, but with the early spring mounting pad and trailing arm . It is now late November and I still do not have my axles. For 1966-1970 Plymouth and Dodge B-bodies there were three basic rear end assemblies that were available: the 8, the 8, and the 9 Dana 60. . 2/4-door sedan body type. wagon pontiac plant 1975 2.73 ua va b sedan 1975 2.73 ya za b wagon 1975 2.73 pa pu f 1975 2.73 wl xl g . Floor jack permits you to raise and lower wheels to check for clearance. Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports A: Extremely strong! 0000000716 00000 n Post: rear end width chart (Topic#173541) greg pharr Contributor Posts: 897 Loc: North Mississippi Reg: 07-09-03. 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? The Olds and Pontiac both used the same center section. 1940 engine numbers run 2697268 through 3665902. The simple cure when using wide tires with a stock-width rearend was to radius the fenders and let the tires hang out in the breeze. The Firebird rear end would have been a BOP 8.2 10 bolt. Drag Racing 101 ~ Everything You Need to Know! Chrysler sent out the last of its 8.75-inch rearends in the early '70s. 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. Willwood Engineering. "SPECIAL" CARS - 1938 Pontiac Special six. You are using an out of date browser. @`AWG^8J>4j|^Vk@oXq7@@/9ep 1958-1970 Full size Chevy rear differential identification chart. Building an example that truly reflects what was around back then takes a certain passion for correctness. The following is a general '72 Cricket var I=new Image(1,1); I.src=u; )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. '72 Charger (Rear Wheel Drive) +20 offset. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Compared to the Ford, the P/O parts were more expensive. B-O-P axles also have identifying grooves traveling along each side of . Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". It is a little better than the Camaro 8.2 10 bolt. Six-cylinder truck engine block and head casting numbers. The housing came in a couple of weeks but without the axles. manufactured by Pontiac in United States. to change without notice. * Ring #s GM 40 13 == 67 - 8 - A. Mopar Rear Axle. 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. startxref '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala GU3 - 3.08's V6 gear ratio. The 10-bolt was used in all the low performance applications. You must log in or register to reply here. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 3:08, 3:40, 3:73 70-81 4wd 6 lug reared 71- Newer 2wd trucks use a 5 on 5 lug pattern 71-76 Full Size Cars " "" "" ". '70's Ford Grenada * Pinion #s GM 40 13 == 67 K D. With its larger bearings, larger gears, and larger axles, the P/O 9.3 would fall somewhere between the Ford 9-inch and the Dana 60 in terms of strength. to change without notice. Both of these are semi-floating axles. But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. but the body with is 1" wider on 66-67. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. It may not display this or other websites correctly. In head/2 per cylinder. For a better experience, please enable JavaScript in your browser before proceeding. What I did is shown below in the photos. Factory Width. "+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. Axle Images: Axle Details. They're tough, right? The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. M&M CUSTOM. Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. '65 Cadillac, '66 Buick Wildcat '62 Buick Skylark, '67 Chevrolet Six 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. Model. Product By Category; Products By SKU/ID; . for highway driving. 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. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. Task Force width ranges at this time. My '64's measure 54.25". 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. endstream endobj 29 0 obj<>stream HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o '67 to '70 Mustang/Cougar 8 cyl. . You can do this by multiplying by the gear ratio. 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). PY Online Forums - Bringing the Pontiac Hobby Together, Classic TECH- specs, codes, resto issues FORUMS. var t=new Date(); Popular Tools & Look-Ups. find the 1/2 ton size yoke on a dana 60. //-->. The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . All Rights Reserved. "" "" ". '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. . 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 : list of rear ends and their dimensions to help narrow the search for a possible Professional technical support is available . 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. The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . Suspension Width (Flange to Flange), Ford Mustang II/Pinto & lx ?ZXj^|\\(|ka(XKIg#+ 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. the wider housing is not 1" closer to 3/4 . 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. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. "Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . 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. 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. GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . 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. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . 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. BOP, Pontiac, Each. If in doubt, consult one of our differential experts at (800)510-0950! The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. The current axle needs to be measured to verify width, because it plays an important part in determining what rim backspacing is necessary. Registered: 16 years ago. This number may be on the top, bottom, or either side of the axle shaft. Shop Full Width; Shop With Sidebar; . Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. June 5, 2022 Posted by: Category: Uncategorized 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 ; . Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. I believe the width, outside axle flange to outside axle flange, is 64 inches. hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. 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. S10. Wheel- Size.com The world's largest wheel fitment database. As a result, many tribute cars and gasser-inspired builds had to stray from correctness. SiteStats_3379(); 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. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". The intake valve size increased to 2.11" and the exhaust valve increased to 1.77"in size from the previous model. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. '69 Oldsmobile 88, '72 Chrysler well i have 1 from f 150 82 b/plate 2 b/plate it is 58". This method will work but the wheels are always trying to roll away and tip over making it very hard to check for clearance and be sure that your measurements are correct . In 1958 a good thing got better when limited-slip differentials were offered. 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pontiac rear end width chart 2023