3.21 to 3.92. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '69 Oldsmobile 88, '72 Chrysler Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. Cylinders. "Stovebolt" Specifications. Dec 20, 2007. 1967 PONTIAC GTO Differential & Rear-End Components Pontiac Rear End | HQ Automotive Service & Parts Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. BOP, Pontiac, Each. 1969. 0000004229 00000 n The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. 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 . 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. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. stock from flange to flange it is 60 ". All Pontiac Firebird 2nd-gen. Trans Am Coupe versions offered for the year 1977 with complete specs, performance and technical data in the catalogue of cars . HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o pontiac rear end width chart - akzenterprises.com Axle Images: Axle Details. I have in the past struggled to measure the car for the correct rear end width to get the wheels and tires to fit correctly for both appearance and to avoid contact with the fenders, frame and suspension. Pontiac Fiero GT Technical Specs, Fuel Consumption, Dimensions You bring the gumption. 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. How to Build the Right Period-Correct Pontiac/Olds Rearend - MotorTrend Rear Axle Width Question - Restoration and Repair Help '72 Charger 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. 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. manufactured by Pontiac in United States. Year. Part Number: YGA-21289. '73 Ventura, '65 Ram American jack39rdstr # 169783 04/02/10 02:03 PM. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. 65 Impala rear end | Hot Rod Forum /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. 1957-58 are 29-spline and 1959-1964 are 31 spline. Rear Axle Identification - venturestruckparts.com 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. Correct two piece design posi unit, exact for only 67 - 69 Firebird 10 bolt 8.2 rears. Suspension Width (Flange to Flange), Ford Mustang II/Pinto & Information provided by:Joe GarciaThe Resto Rod Shop. 0000002353 00000 n Additionally, it can be a relatively affordable way to enjoy a day at the track. 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. the versailles / granada rear ends from flange to flange is 58.5". Originally posted by SUNNYD @Mar 22 2007, 10:23 PM~7534589. 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. trailer It has an M-21 four speed and I am ready to upgrade the rear diff. 0000000991 00000 n Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Mopar Rear Axle. 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. 57" 71-74 V-8 '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala What I did is shown below in the photos. 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. '70 Dodge, '71-77 Maverick RWD (rear-wheel drive), automatic 4-speed gearbox. 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. "+j)(4 T "Hd&6F T:R%xA+R>6^yyp0}Zc9^):(cdf_rKr2zB,ywV}w0*lkxwM y icR,2*G{>K\"|>XWAIRYQ_dKx}wt}_=/3=)>fQaa-# C+|prj~%ox$LpKaGPG&T`o. Pontiac Flathead Owners - Antique Automobile Club of America Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. var u='http://50chevy.freeservers.com/cgi-bin/sitestats.gif?p='+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); 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. It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. Will only work with bolt in style axles. All correct GM codes and part numbers. Buick/Olds/Pontiac axles are typically retained with bearings. find the 1/2 ton size yoke on a dana 60. 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. '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup By 1965 GM replaced the 9.3 with a Spicer design using an 8.875-diameter ring gear that mounted the internals in the axle housing rather than a separate carrier. Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? GU6 - 3.42's Standard manual trans gear ratio. GM G-Body Housing and Axle Package - Currie Enterprises 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 Pontiac/Oldsmobile 9.3-inch is your axle. used a 3.21 Dana 44 used a standard chevy <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. Here you can see the three white paint splotches identifying the pinion size and the gears. 1967 Pontiac GTO - Wheel-Size.com 3.08. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. i.e. The following information is provided to help you identify the differential you are working on. 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. 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 . Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! 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. 2D reg-duty / 4D med-duty 4-pinion. 20 0 obj<>stream 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 . Very hard to find set, being as this is version is not being reproduced. Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. 71- Newer 2wd trucks use a 5 on 5 lug pattern They are also easily modified to suit any chassis. 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. Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports 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 . GM 8.2" and 8.2" BOP Axle Parts, Gears, and Upgrades - Drivetrain Shop 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). Picture is from parts book. Combination / conversion universal joint size, dimensions '70's Ford Grenada You're building a gasser. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. What is the width of a 1959 pontiac rear end? @`AWG^8J>4j|^Vk@oXq7@@/9ep But it's been so long I can't be certain. Its narrow front end with a plastic, wrapped-around bumper featured fog lights as an option. July 30, 2004 11:23PM. 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. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. ). Rear End Widths - Chevelle Stuff 66-69 axle does not include 64 65 . . Rear-end track width measurements of classic American cars including Chevrolet, Ford, and Mopar vehicle rear axle widths. 0000006068 00000 n pontiac rear end width chart . var I=new Image(1,1); I.src=u; 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. 0000009416 00000 n 18 0 obj<> endobj 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. 18 21 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. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. In 1958 a good thing got better when limited-slip differentials were offered. The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. Many aftermarket options exist with all of the appropriate mount points. Rear-end questions - WebCars Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. Privacy Policy. 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. Picture is from parts book. Look at the RPO codes. '69 Firebird Click the above picture to view full size. Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. Chevy 10 Bolt Rear End Widths. Impala Rearend width ? | LayItLow.com Lowrider Forums 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. Wheel Stud *. Ford. Under the hood, Pontiac installed a 2.5 . may be different than pictured. Several years later, the popularity of this almost deceased differential was rapidly swelling. 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. Differential Identification Chart - Roadkill Customs . Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Grand Prix. These smaller volumes and domestic content result in slightly higher prices. . You can do this by multiplying by the gear ratio. xref 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. 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 . As a result, many tribute cars and gasser-inspired builds had to stray from correctness. 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. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. Chevy Rear End Compatibility Chart (Expert Explained) Buy in monthly payments with Affirm on orders over $50. Length, GM 8.2 in. 66-69 axle does not include 64 65 . I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. 10 bolt rear carrier identification - Drivetrain Tech - First J.T. 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. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. Contributing information were Bob Welch, J Identified by casting number & number of cover bolts. 1/4 Mile : 13.1 seconds. Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. 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. Prices and availability are subject Shop Full Width; Shop With Sidebar; . 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? Rear-End Widths of Classic American Cars - Roadkill Customs The 10-bolt was used in all the low performance applications. INFO GUIDE: 1967 Pontiac GTO (Coupe, Hardtop & Convertible) The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . '72-75 Datsun Pickup $1,825.00. It has the 4.75" bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. I'm not sure of the GU2 - 2.73's Standard auto trans gear ratio. '69 Javelin Six, '39 -48 Chevrolet Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet GMC V-6 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 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. Technical Information and Specifications for 1939 and 1940 - Stovebolt I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. PDF Differential ID Chart - Summit Racing Equipment 60" 60's GMC and 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. '41 -48 Ford, '68-72 Chevelle The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. I placed the order with Speedway motors in late July for my rear end housing and Currie axles. There is also a yellow stamp 10 22 which is the . These dimensions do not include brake drums and are measured from backing plate to backing plate. candidate to replace the torque tube rear end or just get a better set of gears 100 x 4.12. Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. 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. '74 Valiant, '57 Ford PDF Pontiac Diff Codes - wildaboutcarsonline.com 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 On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . . GM / Chevy - Differential Identification - www.RigidAxle.com Suspension Measurements - Quick Performance 0000012085 00000 n Camaro Differentials and Driveline - CamaroTech.com '72 Cricket It is a little better than the Camaro 8.2 10 bolt. The housing came in a couple of weeks but without the axles. '72-73 Mazda, '28-40 Ford , '57 - 59 Ford Gallery: '66-'70 B-Body 8.75 Rear Differential Identifiers & Markings Re: Rear end interchangability 1965 to 1967 IMPAL. Factory Width. Car, 67-69 Camaro, 64-67 Chevelle, In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. birdfire.com : 67-81 rear end - Free '67 Chevrolet Six 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. '62 Buick Skylark, '67 Chevrolet Six For some time, only a small handful of ratios were available in new gears. Ask Away! with Jeff Smith: 8.2 or 8.5 How to Identify GM 10-Bolt Rear for highway driving. The following tags will show a 4L80E transmission as an example. 0000002004 00000 n 0000001170 00000 n of extensive information was contributed by R. Welch: Original Vehicles Check here to see if your engine is correct for your year truck. 0000000016 00000 n Terms (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. 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. 0 Compared to the Ford, the P/O parts were more expensive. $5 Off Your $100 Mobile App Purchase . '67 to '70 Mustang/Cougar 8 cyl. 41/14. Plywood pieces work well for shims. may be different than pictured. Other changes were made to the limited-slip carrier, but strength was not adversely affected. 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. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. Diagram. S10 Rear ends---Info by Ben | T-Bucket Forums I actually had the axles in less than 4 days! rear end width chart | 1958-1965 Full size Chevrolet Last Update: Feb. 24, 2023, 5:12 a.m. 40/13. '71 - 72 Pinto NFTs Simplified > Uncategorized > pontiac rear end width chart. with 10 bolt axle, "A" body Wheel- Size.com The world's largest wheel fitment database. My '64's measure 54.25". 47 - 54 rear end width - The Stovebolt Forums Jeremy. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 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. 1967 - 1969 Firebird 10 Bolt Axle Rear End, Posi Unit Ring and Pinion Aftermarket support followed in the form of beefy axles, gears, spools, couplers, and Mickey Thompson's aluminum and magnesium centersections. } Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). startxref Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. 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.

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