Rear end widths - El Camino Central Forum rear end width chart | 1958-1965 Full size Chevrolet Picture is from parts book. There's absolutely no excuse to use the wrong differential in your gasser. 1977 Pontiac Firebird 2gen Trans Am Coupe full range specs Grand Prix. Rear-end questions - WebCars '67 Mustang V-8, '69 Firebird 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. Length, GM 8.2 in. June 5, 2022 Posted by: Category: Uncategorized Ford continued cranking out the 9-inch in vast quantities well into the '80s. Buy in monthly payments with Affirm on orders over $50. Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. The new P/O 9.3-inch immediately found its way into hot rods and race cars. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. . sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & The later rear axle requires a wheel with between 5" and 5-1/4" of backspacing, while the earlier axles will only need a wheel with 4-1/2" to 4-3/4" backspacing. startxref 0000009416 00000 n '66-67 Chevrolet Big Car, '72 Charger Its pretty easy to find a good one if you are in an area with a few junkyards. Engine Numbers. pontiac rear end width chart. User Info. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". 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. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. 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. In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. Chevy 10 Bolt Rear End Widths. 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 . Rear end interchangability 1965 to 1967 IMPALA Professional technical support is available . (Rear Wheel Drive) +20 offset. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. '70's Ford Grenada 0000002038 00000 n . Here you can see the three white paint splotches identifying the pinion size and the gears. 0000005198 00000 n ZE reg-duty / 4E med-duty 4-pinion. '70 Duster "Stovebolt" Specifications. PY Online Forums - Bringing the Pontiac Hobby Together, Classic TECH- specs, codes, resto issues FORUMS. GU5 - 3.23's Optional auto trans gear ratio. 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. The Rochester Quadrajet carburetor was featured on the top spec GTO. Pontiac/Olds 9.3 parts are manufactured in the United States and are made in smaller custom production runs using high-quality alloys and the best materials available. Chevy Rear End Compatibility Chart (Expert Explained) For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. some sources state that the 67 and latter are wider. Diagram. Differential Identification Chart - Roadkill Customs Very hard to find set, being as this is version is not being reproduced. The two makes used very similar differentials through the mid-'40s and into the '50s. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. '69 Cougar, '71 -73 Nova B-O-P 10-bolt rear axles: A guide to GM's other muscle-era - Hemmings Ford. You are using an out of date browser. pontiac rear end width chart - casessss.com Registered: 16 years ago. . 60" 60's GMC and 1967 Pontiac GTO - Wheel-Size.com Axle Images: Axle Details. 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. I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. Advance Design Trucks seem to be using rear Originally posted by SUNNYD @Mar 22 2007, 10:23 PM~7534589. I believe the width, outside axle flange to outside axle flange, is 64 inches. 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. To say I was disappointed by the service provided by this company would be an understatement. What is the width of a 1959 pontiac rear end? 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? for highway driving. Outside Width: Year: Model: 56.50: 1969-1977: Maverick 8" 56.50: 1990-1992: Ford Ranger 8.8" 56.75: 1995-2003: Ford Explorer 8.8" Narrowed w/2 short side axles: 57.00: 1974-1978: Mustang II 8" 57.25: 1957-1959: Ford, Ranchero . '68 AMX 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. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. 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. 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 . The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. Dec 20, 2007. 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. GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . Last Update: Feb. 24, 2023, 5:12 a.m. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. find the 1/2 ton size yoke on a dana 60. No one is making new 31-spline side gears at this time, which is not good. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. While not as strong as a race-dedicated spool, the 31-spline Trophy Track carries a potent arsenal, including six 9310 alloy gears and twin cross-shafts, all of which are dimensionally larger and stronger than anything offered previously. Ask Away! with Jeff Smith: 8.2 or 8.5 How to Identify GM 10-Bolt Rear pontiac rear end width chart - akzenterprises.com The intake valve size increased to 2.11" and the exhaust valve increased to 1.77"in size from the previous model. 5" for small cars 5" - 6" for intermediate In head/2 per cylinder. while a folding bench was standard for the rear passengers. Mopar Rear Axle. '73 Ventura, '65 Ram American 100 x 4.12. Rear-end track width measurements of classic American cars including Chevrolet, Ford, and Mopar vehicle rear axle widths. Dec 26, 2008. 2D reg-duty / 4D med-duty 4-pinion. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . note 64 64 axle is same. 0000004229 00000 n Picture is from parts book. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. 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. Several features are common to most gassers. 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. They're tough, right? I placed the order with Speedway motors in late July for my rear end housing and Currie axles. 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 Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. 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. July 30, 2004 11:23PM. Pontiac V8 Engine History: 1955-1981 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 ; . Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. 0000002004 00000 n Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. 1990 to 1992: 7.625 inch ring gear, 28 spline axle. Learn more. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. 1967 - 1969 Firebird 10 Bolt Axle Rear End, Posi Unit Ring and Pinion 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. 0000000911 00000 n 0000003369 00000 n 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. 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. The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. The '70 to '81 Camaro rear end is 61 inches. I guess 66 will work too, but I don't have any way to verify this, nor any more information for you. i.e. Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. SiteStats_3379(); Drag Racing 101 ~ Everything You Need to Know! 1958-1970 Full size rear Differential Identification - 348-409.com 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 . GU2 - 2.73's Standard auto trans gear ratio. %PDF-1.4 % * Ring #s GM 40 13 == 67 - 8 - A. 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. Why not a Ford? birdfire.com : 67-81 rear end - Free (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. . 0000000991 00000 n . hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. 40/13. . '69 Dodge Van, '71 Torino 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. 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. 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. You must log in or register to reply here. Items These smaller volumes and domestic content result in slightly higher prices. some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's INFO GUIDE: 1967 Pontiac GTO (Coupe, Hardtop & Convertible) '67 Lincoln, '69 Dodge 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. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. The following list 1965 Pontiac Tempest LeMans Specifications - Conceptcarz.com Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid So why did the Ford 9-inch become the premier differential of modern day hot rodding? '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet PONTIAC Firebird Specs & Photos - autoevolution 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. I have in the past struggled to measure the car for the correct rear end width to get the wheels and tires to fit correctly for both appearance and to avoid contact with the fenders, frame and suspension. 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. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. 62" 64-77 Chevelle, 73-76 Torino, 89 Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. You can do this by multiplying by the gear ratio. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. This number may be on the top, bottom, or either side of the axle shaft. The Pontiac/Oldsmobile 9.3-inch is your axle. PDF Pontiac Diff Codes - wildaboutcarsonline.com 0000000016 00000 n 18 21 '70 Dodge, '71-77 Maverick Task Force width ranges at this time. Below matches. Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear also note on the A4's (auto's) shifter console if the gear selector for 1 is missing. It may not display this or other websites correctly. While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. Plywood pieces work well for shims. GM 8.2" and 8.2" BOP Axle Parts, Gears, and Upgrades - Drivetrain Shop Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. 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. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger Rear-End Widths of Classic American Cars - Roadkill Customs 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. with 10 bolt axle, "A" body 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. $5 Off Your $100 Mobile App Purchase . 65 Impala rear end | Hot Rod Forum Post: rear end width chart (Topic#173541) greg pharr Contributor Posts: 897 Loc: North Mississippi Reg: 07-09-03. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. Terms Measuring for the correct rear end width - Rodplans 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. if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". Estimated Lead Time: 5-Days. Model. . 1956 and back have 10-spline axles. Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. 1957-1964 Pontiac and Oldsmobile Rearends - Revival - MotorTrend /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. Suspension Measurements - Fred's Pontiac Information In this 489 case it is 3:91 gears and a 1 7/8 pinion. GU3 - 3.08's V6 gear ratio. 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? A: Ford 9-inch is like the small-block Chevy of rearends. with 10 bolt axle. 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 bring the gumption. Impala Rearend width ? | LayItLow.com Lowrider Forums 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. Valves. Click the above picture to view full size. The early Nova's 62-67 would be about 2" shorter. Floor jack permits you to raise and lower wheels to check for clearance. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . . Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. 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. var I=new Image(1,1); I.src=u; They were robust, drop-out-style third members that offered the strength and serviceability racers required. ). Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". Approximate rear end widths measured from backing plate to backing plate. '70 Nova It is now late November and I still do not have my axles. jack39rdstr # 169783 04/02/10 02:03 PM. 73-77 GM A-body axle width? | Hot Rod Forum Differential Identification | West Coast Differentials Buick/Olds/Pontiac axles are typically retained with bearings. 5E med-duty 4-pinion. )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw Chrysler sent out the last of its 8.75-inch rearends in the early '70s. Rear End Widths - Auto Hobby Page note 64 64 axle is same. Good luck. "SPECIAL" CARS - 1938 Pontiac Special six. Pontiac Fiero GT Technical Specs, Fuel Consumption, Dimensions