with 10 bolt axle. In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. Mickey Thompson even produced aftermarket Olds and Pontiac magnesium gear cases that were frequently used in dragsters. 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. with 10 bolt axle, "A" body
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Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. "Stovebolt" Specifications. (rear-wheel drive), automatic 3-speed gearbox . 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. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . Re: Rear end interchangability 1965 to 1967 IMPAL. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. Jeremy. Will only work with bolt in style axles. 18 0 obj<>
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find the 1/2 ton size yoke on a dana 60. Registered: 16 years ago. The 55-57 Chevy car rear-end is almost a bolt in, the perches need to be relocated to the top of the housing though. 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC
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. (Rear Wheel Drive) +20 offset. 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 other drawback is that you can only check for clearance at the height the jack stands are set to. Is a pontiac center section as olds rear ends of that era? I just measured my 60' Pontiac and it is the same as my 62' Pontiac. 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? The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>>
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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 . May 7, 2009. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. Diagram. Engine Numbers. '67 Mustang V-8, '69 Firebird
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It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. 5E 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 springs in 1958-60 and from 1961-64 both had coils. These smaller volumes and domestic content result in slightly higher prices. Vehicles with Similar . Approximate rear end widths measured from backing plate to backing plate. Good luck. for highway driving. Outside of flange to outside 54.25" 66 up are wider. Compared to the Ford, the P/O parts were more expensive. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. . . 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. 1940 engine numbers run 2697268 through 3665902. 0000012085 00000 n
100 x 4.12. 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. 66-69 axle does not include 64 65 . * Pinion #s GM 40 13 == 67 K D. The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . may be different than pictured. I'm not sure of the
The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. 0000015097 00000 n
I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. note 64 64 axle is same. a Custom Classic Truck" Peterson Publication; June or July 1999, . You're building a gasser. Prices and availability are subject '66-67 Chevrolet Big Car, '72 Charger
Axle Images: Axle Details. Trans Am. 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. 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. 0000002004 00000 n
Terms 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. '65 Cadillac, '66 Buick Wildcat
The following information is provided to help you identify the differential you are working on. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. 0000004229 00000 n
Six-cylinder truck engine block and head casting numbers. manufactured by Pontiac in United States. var t=new Date(); 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. '69 Cougar, '71 -73 Nova
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. 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. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. to change without notice. Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. 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. I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. "" "" ". '67 to '70 Mustang/Cougar 8 cyl. startxref
M&M CUSTOM. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. 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. 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. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! 1985 to 1989: 7.625 inch ring gear, 26 spline axle. SiteStats_3379(); Prices and availability are subject 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. You bring the gumption. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. '73 Ventura, '65 Ram American
Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". 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. Car, 67-69 Camaro, 64-67 Chevelle,
Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build
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. @`AWG^8J>4j|^Vk@oXq7@@/9ep pontiac rear end decoder year ratio open posi model notes: . The two makes used very similar differentials through the mid-'40s and into the '50s. GMC V-6 used a 3.21 Dana 44 used a standard chevy 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. 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. 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. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential 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. The final drive ratio is identified with 2 or 3 letters codes. Valves. Terms of Service. GU5 - 3.23's Optional auto trans gear ratio. 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. You are using an out of date browser. 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 . Wheel- Size.com The world's largest wheel fitment database. My 69 gto convert., purchased within the last year has a painful 2.56 rear gear. Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. 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). Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. '62 Buick Skylark, '67 Chevrolet Six
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. 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. It is now late November and I still do not have my axles. The Firebird rear end would have been a BOP 8.2 10 bolt. Wilwood Engineering designs and manufactures high-performance disc brake systems. No one is making new 31-spline side gears at this time, which is not good. Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. . Once the wheels and axle was centered under the car I was able to raise and lower the wheels with my floor jack to check for clearance at different ride height and suspension travel. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Approximate rear end widths measured from backing
Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . $5 Off Your $100 Mobile App Purchase . 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. While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger 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. S10. Several years later, the popularity of this almost deceased differential was rapidly swelling. . Additionally, it can be a relatively affordable way to enjoy a day at the track. . All but a few of the old factory limited-slips had been gathered up and beaten to death. 1939 engine numbers run 1915447 through 2697267. getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. Quality and service was excellent. 0000000991 00000 n
6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords.