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. 0000006915 00000 n It is a little better than the Camaro 8.2 10 bolt. 1/4 Mile : 13.1 seconds. I would like most people place the wheels and tires under the car and use a tape measure to determine the distance from wheel flange to wheel flange. Additionally, it can be a relatively affordable way to enjoy a day at the track. '66-67 Chevrolet Big Car, '72 Charger 4.24 out of 5 stars. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . Approximate rear end widths measured from backing plate to backing plate. to change without notice. Bigger engines introduced in both Oldsmobiles and Pontiacs for 1959 prompted the second generation of these rearends with 31-spline axles, which were reportedly 22 percent stronger than the previously used 29-spline shafts. '65 Cadillac, '66 Buick Wildcat 1957-58 are 29-spline and 1959-1964 are 31 spline. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. candidate to replace the torque tube rear end or just get a better set of gears The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & 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. 41/14. Ford continued cranking out the 9-inch in vast quantities well into the '80s. Here you can see the three white paint splotches identifying the pinion size and the gears. manufactured by Pontiac in United States. . The Rochester Quadrajet carburetor was featured on the top spec GTO. Plywood pieces work well for shims. 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. Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw may be different than pictured. Approximate rear end widths measured from backing Information provided by:Joe GarciaThe Resto Rod Shop. This reduced weight and eliminated the stock suspension, producing a spacious engine bay that eagerly accepted the chosen powerplant. Floor jack permits you to raise and lower wheels to check for clearance. i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. %PDF-1.4 % list of rear ends and their dimensions to help narrow the search for a possible Rusty but Rare 1976 Chevy K10 Sport Truck Revival! 2D reg-duty / 4D med-duty 4-pinion. 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 . Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . lx ?ZXj^|\\(|ka(XKIg#+ '67 Lincoln, '69 Dodge Check here to see if your engine is correct for your year truck. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. 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. L = Low - Zero to Negative Offset, Offset typically RWD (Rear . Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. 0000012085 00000 n 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. 0000006068 00000 n 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. getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. Is a pontiac center section as olds rear ends of that era? note 64 64 axle is same. My rear is the bolt in axles. '41 -48 Ford, '68-72 Chevelle 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. 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. 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 ; . For a better experience, please enable JavaScript in your browser before proceeding. 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. Dec 20, 2007. They were robust, drop-out-style third members that offered the strength and serviceability racers required. SiteStats_3379(); /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. 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. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . Rear axle widths. Model. In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. 18 21 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. GU6 - 3.42's Standard manual trans gear ratio. '70 Duster , '71-77 Maverick Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! Length, GM 8.2 in. Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. 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. Re: Rear end interchangability 1965 to 1967 IMPAL. Mercury Capri/Bobcat, Monte Carlo, Regal, etc. (rear-wheel drive), automatic 3-speed gearbox . 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 Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". Interest in vintage drag racing is now approaching a rapid boil. 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. 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 * Ring #s GM 40 13 == 67 - 8 - A. 18 0 obj<> endobj For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. 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. while a folding bench was standard for the rear passengers. Six-cylinder truck engine block and head casting numbers. '70's Ford Grenada for highway driving. Engine Numbers. B. Car, 67-69 Camaro, 64-67 Chevelle, Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. Wheel- Size.com The world's largest wheel fitment database. Below matches. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. 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. In head/2 per cylinder. '67 Mustang Six , '68 AMX 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. Dec 26, 2008. 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. HVr0*u9$K;IG]&U&"x\s. 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 . 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. 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. Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. . 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. You must log in or register to reply here. Rear-end questions. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. GM quit making the 9.3-inch in 1964. 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. 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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. 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 . '68 AMX Outside of flange to outside 54.25" 66 up are wider. Items All correct GM codes and part numbers. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid The '70 to '81 Camaro rear end is 61 inches. '67 Mustang V-8, '69 Firebird How To Box-In a Differential / Solid Axle Rear-End Housing; . Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. Good luck. Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. 1969. '69 Oldsmobile 88, '72 Chrysler i.e. The early Nova's 62-67 would be about 2" shorter. Ford. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. Several features are common to most gassers. 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. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. 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. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. 0000002004 00000 n '69 Nova 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. Trans Am. I'm running the wider blazer rear end . <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. With a maximum top speed of 112 mph (180 km/h), a curb weight of 2672 lbs (1212 kgs), the Fiero GT has a naturally-aspirated V 6 cylinder engine, Petrol motor. A solid front axle was found under the front of nearly every gasser. '72 Charger '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup ). But it's been so long I can't be certain. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. a Custom Classic Truck" Peterson Publication; June or July 1999,