They're tough, right? 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. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential 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. To say I was disappointed by the service provided by this company would be an understatement. 0000015097 00000 n note 64 64 axle is same. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . A: By casting numbers and date codes, along with other external characteristics, all of which are shown in the manual by Zach Davidson and Brad Duerst. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. may be different than pictured. manufactured by Pontiac in United States. 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. The power is transmitted to the road by the rear . On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . 0000009416 00000 n I believe the width, outside axle flange to outside axle flange, is 64 inches. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 Wheel Stud *. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! If in doubt, consult one of our differential experts at (800)510-0950! Model. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. The other drawback is that you can only check for clearance at the height the jack stands are set to. '69 Javelin Six, '39 -48 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. the wider housing is not 1" closer to 3/4 . GU3 - 3.08's V6 gear ratio. Six-cylinder truck engine block and head casting numbers. 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. 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. 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. I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. Jeremy. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. Very hard to find set, being as this is version is not being reproduced. 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? 0000001291 00000 n GM / Chevy - Differential IdentificationShop by your differential. i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. '67 to '70 Mustang/Cougar 8 cyl. The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. Plywood pieces work well for shims. 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. 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 . . '72 Dart 70 2wd 6 lug rear end 12 bolt Possible gear ratio's Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Mercury Capri/Bobcat, Monte Carlo, Regal, etc. While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. They were tough with 9.3-inch ring gears, big pinion shafts, and large-diameter bearings and tough axles. '67 Chevrolet big car 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 . This reduced weight and eliminated the stock suspension, producing a spacious engine bay that eagerly accepted the chosen powerplant. B. 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. Why not a Ford? 1985 to 1989: 7.625 inch ring gear, 26 spline axle. Contributing information were Bob Welch, J The housing came in a couple of weeks but without the axles. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. M&M CUSTOM. 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. The Rochester Quadrajet carburetor was featured on the top spec GTO. 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. There's absolutely no excuse to use the wrong differential in your gasser. may be different than pictured. 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. %PDF-1.4 % Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Vehicle. 0000006068 00000 n 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 : plate to backing plate. Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. . The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. 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. The early Nova's 62-67 would be about 2" shorter. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. '74 Valiant, '57 Ford i.e. 0000007740 00000 n Correct two piece design posi unit, exact for only 67 - 69 Firebird 10 bolt 8.2 rears. Several features are common to most gassers. I'm sorry if I repeated what I've learned to accept as fact, but there are other reasons besides what I've read that have convinced me that '64/'65 housings are narrower than the '66/'67. Is a pontiac center section as olds rear ends of that era? So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. Will only work with bolt in style axles. The 1' wider that was stated in paul/chuck 's book may have been miss spoke. The Firebird rear end would have been a BOP 8.2 10 bolt. 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 ; . 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 Pontiac/Oldsmobile 9.3-inch is your axle. Identified by casting number & number of cover bolts. 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. 1957-58 are 29-spline and 1959-1964 are 31 spline. 0000002277 00000 n if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". Learn more. SKU: CE-GMG7887X.,, Upstate New York, watching my New Yorker Rust,,, (You must log in or sign up to reply here. The current axle needs to be measured to verify width, because it plays an important part in determining what rim backspacing is necessary. 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. The 8.75-inch had slightly larger, 30-spline axleshafts compared to the P/O's 29-spline shafts; but by 1959, big 31-spline factory shafts were standard, and aftermarket shafts for the 9.3-inch eliminated any supposed shortcomings. 0000001644 00000 n 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 Apply Rust Encapsulator Plus to a Rusty Rear End, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Select Proper Rear-End / Differential Gear Ratio, Wheelbase Measurements for Popular Classic Cars, 1955 Chevrolet 3100 Step Side Pickup Truck Build, How To Cut Your Long Bed to a Short Bed in a Weekend, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. I'm not sure of the Task Force width ranges at this time. . Popular Tools & Look-Ups. 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? trailer Grand Prix. 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. Both of these are semi-floating axles. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. ; Home 2; Home 3; Home / / pontiac rear end width chart. You bring the gumption. 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. This ratio is 3.08, perfect for cruisin. 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. . '69 Oldsmobile 88, '72 Chrysler GU6 - 3.42's Standard manual trans gear ratio. Wheel- The world's largest wheel fitment database. 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. 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. '69 Firebird '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. GM with 7.5 & 7.625 Ring Gears : 1985-1997. 18 21 Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. The 1965 Pontiac Tempest LeMans measures 74.40 inches in width, The 1965 Pontiac Tempest LeMans measures 206.20 inches in length, and has a wheelbase of 115.00 inches. These rearends were the Hotchkiss style, which means the ring-and-pinion gears, along with the differential components, are housed in a removable carrier, making gear changes and axle replacement quick and easy. You bring the gumption. 59" 68-83 Corvette , 67-70 Mustang/Cougar/Fairlane, 60" 55-64 Chevy Cars from all the traditional drag racing classes are being built and/or restored, but among the most popular of these period-correct builds are the cars riding high on solid front axles and sporting fenderwell headers: gassers. 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 . No one is making new 31-spline side gears at this time, which is not good. used a 3.21 Dana 44 used a standard chevy Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. '69 Nova 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. The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . 71- Newer 2wd trucks use a 5 on 5 lug pattern According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. '69 Cougar, '71 -73 Nova '66 Falcon, '69 Chevrolet cars 6" - 8" for large cars, '71 Colt note 64 64 axle is same. They are also easily modified to suit any chassis. %twE_( H@v7H f)p* 0KO|O n>+ & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. As the popularity of the Ford 9-inch increased the P/O 9.3 began to fade from the scene. These smaller volumes and domestic content result in slightly higher prices. It has the 4.75" bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. 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 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC GU2 - 2.73's Standard auto trans gear ratio. 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. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. (rear-wheel drive), automatic 3-speed gearbox . It is a little better than the Camaro 8.2 10 bolt. * Pinion #s GM 40 13 == 67 K D. var u=''+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); I'm running the wider blazer rear end . Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. Look at the RPO codes. Registered: 16 years ago. gasoline (petrol) engine with displacement: 5690 cm3 / 347.2 cui, advertised power: 216 kW / 290 hp / 294 PS ( SAE ), torque: 509 Nm / 375 lb-ft, more data: 1957 Pontiac Chieftain Sedan Tri-Power Hydra-Matic (aut. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. (Rear Wheel Drive) +20 offset. In head/2 per cylinder. 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. Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. 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. . } var I=new Image(1,1); I.src=u; Part Number: YGA-21289. AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . The new P/O 9.3-inch immediately found its way into hot rods and race cars. 18 0 obj<> endobj 0000000911 00000 n 2D reg-duty / 4D med-duty 4-pinion. Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. 100 x 4.12. Forbes and various locations throughout the Web and Automotive Magazines. The 301 was Pontiac's only V-8 left in production by 1979. 0000002353 00000 n If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. $1,825.00. Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . 0000000016 00000 n Buy in monthly payments with Affirm on orders over $50. 0000008567 00000 n 0 Below matches. 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. During the production run a third-generation gear case was introduced, oddly enough with slightly smaller pinion bearings, which was probably a cost-cutting move. Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. 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? Vehicles with Similar . What is the width of a 1959 pontiac rear end? Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala The following list This information will change as further information and corrections become available. 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. The 10-bolt was used in all the low performance applications. 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 . 1956 and back have 10-spline axles. Drag Racing 101 ~ Everything You Need to Know! 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. Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". Terms of Service. How To Box-In a Differential / Solid Axle Rear-End Housing; . 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 some sources state that the 67 and latter are wider. 1/4 Mile : 13.1 seconds. startxref Additionally, it can be a relatively affordable way to enjoy a day at the track. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs.
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