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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. 0000006915 00000 n They were tough with 9.3-inch ring gears, big pinion shafts, and large-diameter bearings and tough axles. 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. '69 Oldsmobile 88, '72 Chrysler 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. '68 AMX Check here to see if your engine is correct for your year truck. function SiteStats_3379(){ For a better experience, please enable JavaScript in your browser before proceeding. Source for tire and wheel application fitment data. Professional technical support is available . But it's been so long I can't be certain. Why not a Ford? If in doubt, consult one of our differential experts at (800)510-0950! 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 [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . Vehicle. Look at the RPO codes. 20 0 obj<>stream Information provided by:Joe GarciaThe Resto Rod Shop. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. * Ring #s GM 40 13 == 67 - 8 - A. The correct width for 59' & 60' is 63-1/4" I believe. The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. xref It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. 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. . Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil springs in 1958-60 and from 1961-64 both had coils. pontiac rear end width chart . The following information is provided to help you identify the differential you are working on. GM quit making the 9.3-inch in 1964. A: Extremely strong! Wheel Stud *. GM with 7.5 & 7.625 Ring Gears : 1985-1997. 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. pontiac rear end decoder year ratio open posi model notes: . 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. July 30, 2004 11:23PM. 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. |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N There is also a yellow stamp 10 22 which is the . They were robust, drop-out-style third members that offered the strength and serviceability racers required. 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 . 455 ho only(c-type axle) 12 bolt 1970 3.36 cok col fb 1970 3.55 cow cox fb 1970 3.55 wv xv gto 455 ho only(c-type axle) 12 . "Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . . 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. If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. What I did is shown below in the photos. For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. M&M CUSTOM. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. Privacy Policy. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> charles coker, 1953 pontiac tech advisor. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. '70's Ford Grenada CK 15/35, S10, RV. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. 0000001291 00000 n "" "" ". '72 Dart The power is transmitted to the road by the rear . There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. What is the width of a 1959 pontiac rear end? '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala stock from flange to flange it is 60 ". 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Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. '67 Mustang Six , '68 AMX Buick/Olds/Pontiac axles are typically retained with bearings. It is now late November and I still do not have my axles. And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. Mercury Capri/Bobcat, Monte Carlo, Regal, etc. 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. a Custom Classic Truck" Peterson Publication; June or July 1999,