The early Nova's 62-67 would be about 2" shorter. RWD (rear-wheel drive), automatic 4-speed gearbox. Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. 41/14. They're tough, right? June 5, 2022 Posted by: Category: Uncategorized '69 Firebird 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. A period gasser can be built by scrounging swap meets, salvage yards, and the Internet for many of the components necessary to complete a genuine example of one of the dominant race cars from the 1950s, '60s and '70s. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N "" "" ". L = Low - Zero to Negative Offset, Offset typically RWD (Rear . Buick/Olds/Pontiac axles are typically retained with bearings. 66-69 axle does not include 64 65 . 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. candidate to replace the torque tube rear end or just get a better set of gears 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. find the 1/2 ton size yoke on a dana 60. Calculating the torque multiplication that your axle gears provide is quite easy. 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 . The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. Additionally, it can be a relatively affordable way to enjoy a day at the track. $5 Off Your $100 Mobile App Purchase . Last Update: Feb. 24, 2023, 5:12 a.m. . The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. 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. They were robust, drop-out-style third members that offered the strength and serviceability racers required. Source for tire and wheel application fitment data. } The Pontiac/Oldsmobile 9.3-inch is your axle. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Check here to see if your engine is correct for your year truck. 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. 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. 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. '71 Comet Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . For a better experience, please enable JavaScript in your browser before proceeding. Cylinders. 0000015097 00000 n /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. 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. Car, 67-69 Camaro, 64-67 Chevelle, Its narrow front end with a plastic, wrapped-around bumper featured fog lights as an option. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 0000002277 00000 n sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & of extensive information was contributed by R. Welch: Original Vehicles 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. The '70 to '81 Camaro rear end is 61 inches. 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. 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. What I did is shown below in the photos. 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. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. '72 Charger Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential '67 Mustang Six , '68 AMX Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. Advance Design Trucks seem to be using rear Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. 0000007740 00000 n list of rear ends and their dimensions to help narrow the search for a possible Approximate rear end widths measured from backing plate to backing plate. 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. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. 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. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. If you noticed the axles are missing you would be correct. '67 Lincoln, '69 Dodge It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. There is also a yellow stamp 10 22 which is the . We carry everything from the 7.25" IFS front end parts, to the large 11.5" rear end parts for 1-ton trucks.We make it easy to verify your exact rear end by providing specs and year, make, and model applications for . Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. 71-76 Full Size Cars " Picture is from parts book. The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Factory Width. '62 Buick Skylark, '67 Chevrolet Six 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. Posts: 8. Product By Category; Products By SKU/ID; . '66-67 Chevrolet Big Car, '72 Charger '69 Cougar, '71 -73 Nova Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. %%EOF Someone may correct me, but as I recall 1959 was the first year for the "Wide Track" Pontiac. Chrysler sent out the last of its 8.75-inch rearends in the early '70s. 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. 40/13. Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . The Rochester Quadrajet carburetor was featured on the top spec GTO. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. For some time, only a small handful of ratios were available in new gears. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. . No one is making new 31-spline side gears at this time, which is not good. Interest in vintage drag racing is now approaching a rapid boil. 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 ; . some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's B-O-P axles also have identifying grooves traveling along each side of . Mopar Rear Axle. In 1958 a good thing got better when limited-slip differentials were offered. Rear axle widths. 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. Approximate rear end widths measured from backing plate to backing plate. It has an M-21 four speed and I am ready to upgrade the rear diff. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 * Pinion #s GM 40 13 == 67 K D. A solid front axle was found under the front of nearly every gasser. 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 . Plywood pieces work well for shims. Terms of Service. 100 x 4.12. 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. %twE_( H@v7H f)p* 0KO|O n>+ Other changes were made to the limited-slip carrier, but strength was not adversely affected. Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . Items Building an example that truly reflects what was around back then takes a certain passion for correctness. '66 Falcon, '69 Chevrolet 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. 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. 5E med-duty 4-pinion. The 10-bolt was used in all the low performance applications. Valves. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Buy in monthly payments with Affirm on orders over $50. 0000004229 00000 n You are using an out of date browser. Drag Racing 101 ~ Everything You Need to Know! A turbocharger was added to the 301 to give the 1980 Trans Am an injection of performance. Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. '70 Duster , '71-77 Maverick Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Jeremy. 0000003369 00000 n if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". %PDF-1.4 % 4.24 out of 5 stars. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . 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. There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. Look at the RPO codes. Engine Numbers. Copyright 2023 Welcome To Rodplans! I'm not sure of the Task Force width ranges at this time. 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 . Its pretty easy to find a good one if you are in an area with a few junkyards. Ford Mustang Complete 9" Rear End Packages, GM G-body 78-87 Complete 9" Rear End Package, GM Chevy S10 82-04 Complete 9" Rear End Package, GM Tri 5 55-57 Chevy Complete 9" Rear End Package, GM X-Body Nova Complete Rear End Packages, Axle Bearings, Retainer Plates, & Wheel Studs, Bearings, Differential Parts, Seals, & Hardware, Master Cylinders, Caliper Kits, and Parts. This information will change as further information and corrections become available. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. It may not display this or other websites correctly. 6>"FlJz^l,*4&V0afw .a@z"PXdj}o`2/ OQs=`&qf aDK|/U32.)0i%q~P"BaLw.Y@`uwy#Do~vt*o~@$y-KZe]X3q'WWb2y)0`61"4@Q*`6k RPf\`H#@ ^M8-|&YxO-t Quality and service was excellent. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid 3.08. 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? 0000002038 00000 n Several years later, the popularity of this almost deceased differential was rapidly swelling. 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. "Stovebolt" Specifications. 0000001291 00000 n Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. Six-cylinder truck engine block and head casting numbers. 62" 64-77 Chevelle, 73-76 Torino, 89 with 10 bolt axle. The following tags will show a 4L80E transmission as an example. 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 : In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. 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. They are also easily modified to suit any chassis. 1/4 Mile : 13.1 seconds. 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. '71 - 72 Pinto 1956 and back have 10-spline axles. These dimensions do not include brake drums and are measured from backing plate to backing plate. Part Number: YGA-21289. 59" 68-83 Corvette , 67-70 Mustang/Cougar/Fairlane, 60" 55-64 Chevy Vehicles with Similar . 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. '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet 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. Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. SKU: CE-GMG7887X. The new P/O 9.3-inch immediately found its way into hot rods and race cars. And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. xref to change without notice. I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. Estimated Lead Time: 5-Days. What is the width of a 1959 pontiac rear end? ZE reg-duty / 4E med-duty 4-pinion. How To Box-In a Differential / Solid Axle Rear-End Housing; . 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. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. This 1955 Chevrolet 3100 Step Side Pickup Truck was built by the Hot Rod Factory, Minnesotas premier hot rod shop and muscle car restoration facility. used a 3.21 Dana 44 used a standard chevy

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