sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Rear Axle Identification - venturestruckparts.com It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. 0000004229 00000 n Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. 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 . A turbocharger was added to the 301 to give the 1980 Trans Am an injection of performance. 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. Product By Category; Products By SKU/ID; . Both of these are semi-floating axles. '69 Oldsmobile 88, '72 Chrysler 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. . 1940 engine numbers run 2697268 through 3665902. The power is transmitted to the road by the rear . The non C-clip 8.5" 10 bolt, type "C" rearend was used in some 1969-'72 Pontiac GP and 1970-'72 Monte Carlo. Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. 18 21 '72 Cricket Look at the RPO codes. Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. '71 - 72 Pinto We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! They're tough, right? Buick/Olds/Pontiac axles are typically retained with bearings. The following is a general S10 Rear ends---Info by Ben | T-Bucket Forums with 10 bolt axle. Pontiac Rear End Gear Codes - Ron's Pontiac Page 6>"FlJz^l,*4&V0afw .a@z"PXdj}o`2/ OQs=`&qf aDK|/U32.)0i%q~P"BaLw.Y@`uwy#Do~vt*o~@$y-KZe]X3q'WWb2y)0`61"4@Q*`6k RPf\`H#@ ^M8-|&YxO-t Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid Why not a Ford? 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 . GM with 7.5 & 7.625 Ring Gears : 1985-1997. some sources state that the 67 and latter are wider. PONTIAC Bolt Pattern Cross Reference and Wheel Sizes Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. used a 3.21 Dana 44 used a standard chevy The early Nova's 62-67 would be about 2" shorter. You can do this by multiplying by the gear ratio. Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. Numerous e-mails and phone calls, stories of lost and found axles finally resulted in an e-mail from Speedway motors November 22nd apologizing for not handling this order in a timely manner and that a refund would be sent today. The following list Registered: 16 years ago. 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. Professional technical support is available . 3.21 to 3.92. I guess 66 will work too, but I don't have any way to verify this, nor any more information for you. '69 Nova GU6 - 3.42's Standard manual trans gear ratio. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. Below matches. 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. [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . 0000002277 00000 n In their day Pontiac and Olds rearends had a well-deserved reputation for toughness and reliability, that's why they were found under so many hot rods on the dragstrip and the street. Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. may be different than pictured. What is the width of a 1959 pontiac rear end? '67 to '70 Mustang/Cougar 8 cyl. The new P/O 9.3-inch immediately found its way into hot rods and race cars. The Rochester Quadrajet carburetor was featured on the top spec GTO. It has an M-21 four speed and I am ready to upgrade the rear diff. trailer Because OE components were still widely used in racing circles, the 9-inch gained traction as a viable alternative, superior to the newer, cheapened, integral-style axles using C-clips and flimsy internals. 0000001170 00000 n GMC V-6 but the body with is 1" wider on 66-67. The following information is provided to help you identify the differential you are working on. INFO GUIDE: 1967 Pontiac GTO (Coupe, Hardtop & Convertible) 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. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 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? In 1958 a good thing got better when limited-slip differentials were offered. Buy in monthly payments with Affirm on orders over $50. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger Several years later, the popularity of this almost deceased differential was rapidly swelling. 1939 engine numbers run 1915447 through 2697267. What Is Rear End Gear Ratio and How Is It Calculated? - Gear '67 Mustang Six , '68 AMX '67 Mustang 0000003369 00000 n 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. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. Rear axle widths. NFTs Simplified > Uncategorized > pontiac rear end width chart. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil . 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. 1965 Pontiac Tempest LeMans Specifications - Conceptcarz.com Popular Tools & Look-Ups. . @`AWG^8J>4j|^Vk@oXq7@@/9ep Advance Design Trucks seem to be using rear 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. The following is a general list of rear ends and their dimensions to help narrow the search for a possible candidate to replace the torque tube rear end or just get a better set of gears for highway driving. pontiac rear end width chart - casessss.com "SPECIAL" CARS - 1938 Pontiac Special six. Year. Ford. 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. Valves. '67 Chevrolet Six But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. Additionally, it can be a relatively affordable way to enjoy a day at the track. But the components should at least be grounded in the era. HVr0*u9$K;IG]&U&"x\s. Chevy 10 Bolt Rear End Widths. '72 Dart I believe the width, outside axle flange to outside axle flange, is 64 inches. Engine Numbers. 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. %PDF-1.4 % 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. Fabcraft also offered complete components for the differential, including all necessary bearings, seals, shims, limited-slip clutches, solid spacers, and crush sleeves, as well as beautifully refurbished OE parts. Last Update: Feb. 24, 2023, 5:12 a.m. But it's been so long I can't be certain. 0000000016 00000 n "" "" ". pontiac rear end decoder year ratio open posi model notes: . Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . Will only work with bolt in style axles. I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. Third Generation (1982 - 1992) Technical Data 0000002038 00000 n GM / Chevy - Differential Identification - www.RigidAxle.com This ratio is 3.08, perfect for cruisin. . Wheel- Size.com The world's largest wheel fitment database. 10 bolt rear carrier identification - Drivetrain Tech - First Factory Width. rear end width chart - Chevy Message Forum - Restoration and Repair Help cars 6" - 8" for large cars, '71 Colt 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. 5" for small cars 5" - 6" for intermediate pontiac rear end width chart . var t=new Date(); Differential Identification | West Coast Differentials note 64 64 axle is same. 1957 Pontiac Chieftain 2/4-Door Sedan full range specs Rear End Width Massive Data Base Information - Chevy Tri Five Forum Prices and availability are subject 0000005198 00000 n It has been my experience that the 66 up axle is longer. 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 1967 PONTIAC GTO Differential & Rear-End Components 10-Bolt Chevy Identification Guide. Know What You're Looking At 1/4 Mile : 13.1 seconds. Correct two piece design posi unit, exact for only 67 - 69 Firebird 10 bolt 8.2 rears. '72 Charger 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. )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw PONTIAC Firebird Specs & Photos - autoevolution 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. 73-77 GM A-body axle width? | Hot Rod Forum 1977 Pontiac Firebird 2gen Trans Am Coupe full range specs Mavericks 8", All '75-77 6's & 8's 0000000911 00000 n 71-76 Full Size Cars " Length, GM 8.2 in. Ford continued cranking out the 9-inch in vast quantities well into the '80s. Is a pontiac center section as olds rear ends of that era? Combination / conversion universal joint size, dimensions Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . Vehicle. Q: What cars did they originally come in? Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports 5D med-duty 4-pinion. Picture is from parts book. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. The Olds and Pontiac both used the same center section. Brand new gears in ratios from 3.42 through 5.38 could be purchased and mounted on a new forged-steel spool with 31- or 35-spline axles. It is a little better than the Camaro 8.2 10 bolt. 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. 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. If you noticed the axles are missing you would be correct. 0000006068 00000 n Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. rear end width chart | 1958-1965 Full size Chevrolet GU5 - 3.23's Optional auto trans gear ratio. The following tags will show a 4L80E transmission as an example. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. Jeremy. Many aftermarket options exist with all of the appropriate mount points. The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. lx ?ZXj^|\\(|ka(XKIg#+ For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. SKU: CE-GMG7887X. Your Nova should be the same as 67-69. 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. Rear end gear ratio???? - LS1LT1 Forum startxref 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. 0000015097 00000 n i.e. /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. In this 489 case it is 3:91 gears and a 1 7/8 pinion. Differential Identification Chart - Roadkill Customs This posi has 4 pinion gears, which makes it about 2 times as strong as the Chevy Eaton posi. 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. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> . i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. '71 Comet , '71- 72 Pinto, '39 -48 Chevrolet, '68 GTO . PDF Pontiac Diff Codes - wildaboutcarsonline.com . GM 7.75" (Australian - Some 3rd Gen Camaro/Firebirds) GM 8.0" - Rear - Late Model Midsize Truck Ring Gear Diameter: 7.75" Ring Gear Diameter: 8.0" Pinion Diameter / Spline: 27 Pinion Diameter / Spline: 1.781" / 27 Ring Gear Bolts: (8) Ring Gear Bolts: (10) 7/16"x20 LH Cover Bolts: 9 Cover Bolts: 10 Carrier Breaks: 2.77 / 3.27 Carrier Breaks: None BOP, Pontiac, Each. For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. Vehicles with Similar . A solid front axle was found under the front of nearly every gasser. Aftermarket support followed in the form of beefy axles, gears, spools, couplers, and Mickey Thompson's aluminum and magnesium centersections. GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . '71 Comet All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. '69 Javelin Six, '39 -48 Chevrolet Rear Axle Identification : Drivin' It Home $5 Off Your $100 Mobile App Purchase . (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. stock from flange to flange it is 60 ". Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. You bring the gumption. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". 41/14. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. The correct width for 59' & 60' is 63-1/4" I believe. Approximate rear end widths measured from backing plate to backing plate. Building an example that truly reflects what was around back then takes a certain passion for correctness. 1985 to 1989: 7.625 inch ring gear, 26 spline axle. I'm not sure of the Task Force width ranges at this time. Pontiac Differential Codes Year Model Rear Ratio Tooth Count Std Code Posi Code 1970 Big Pontiac 2.56 41/16 UC VC 1970 Big Pontiac 2.73 41/15 UD VD 1970 Big Pontiac 2.93 41/14 UE VE 1970 Big Pontiac 3.23 42/13 UG VG 1970 Big Pontiac 3.42 41/12 UH VH 1970 Firebird 2.73 41/15 CRX CRY B-O-P axles also have identifying grooves traveling along each side of . } How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 1958-1970 Full size Chevy rear differential identification chart. 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. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 3:08, 3:40, 3:73 70-81 4wd 6 lug reared 71- Newer 2wd trucks use a 5 on 5 lug pattern 71-76 Full Size Cars " "" "" ". 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. Privacy Policy. Camaro Differentials and Driveline - CamaroTech.com Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . %%EOF Picture is from parts book. '41 -48 Ford, '68-72 Chevelle 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. Technical Information and Specifications for 1939 and 1940 - Stovebolt For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. In head/2 per cylinder. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. 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 . AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . Several features are common to most gassers. 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. pontiac rear end width chart - nftcollectionlab.com birdfire.com : 67-81 rear end - Free 1967 Pontiac GTO - Wheel-Size.com Suspension Measurements - Quick Performance They are also easily modified to suit any chassis. Rear-end questions - WebCars Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. 18 0 obj<> endobj Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. It has been my experience that the 66 up axle is longer. ). It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. As the popularity of the Ford 9-inch increased the P/O 9.3 began to fade from the scene. 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . 1969. There is also a yellow stamp 10 22 which is the . I actually had the axles in less than 4 days! While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o '66-67 Chevrolet Big Car, '72 Charger '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet My rear is the bolt in axles.

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