pontiac rear end width chart

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 . Product By Category; Products By SKU/ID; . } According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. "+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. Your Nova should be the same as 67-69. No one is making new 31-spline side gears at this time, which is not good. 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. 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. Prices and availability are subject 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. Forbes and various locations throughout the Web and Automotive Magazines. '62 Buick Skylark, '67 Chevrolet Six Both of these are semi-floating axles. Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. It may not display this or other websites correctly. Willwood Engineering. getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. 0000008567 00000 n I believe the width, outside axle flange to outside axle flange, is 64 inches. Mopar Rear Axle. There's absolutely no excuse to use the wrong differential in your gasser. Look at the RPO codes. Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid July 30, 2004 11:23PM. Dec 26, 2008. '71 Comet , '71- 72 Pinto, '39 -48 Chevrolet, '68 GTO Ford. '69 Javelin Six, '39 -48 Chevrolet The 10-bolt was used in all the low performance applications. 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. 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 are also easily modified to suit any chassis. Diagram. Is a pontiac center section as olds rear ends of that era? How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. 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. '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup 100 x 4.12. 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. Model. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. 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"Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . Vehicles with Similar . Identified by casting number & number of cover bolts. 0000015097 00000 n 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 has been my experience that the 66 up axle is longer. How To Box-In a Differential / Solid Axle Rear-End Housing; . 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. '72 Chrysler. well i have 1 from f 150 82 b/plate 2 b/plate it is 58". '68 AMX 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. If in doubt, consult one of our differential experts at (800)510-0950! 71- Newer 2wd trucks use a 5 on 5 lug pattern Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential You must log in or register to reply here. For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. B-O-P axles also have identifying grooves traveling along each side of . HVr0*u9$K;IG]&U&"x\s. '67 Mustang if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". 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 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. As a result, many tribute cars and gasser-inspired builds had to stray from correctness. It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. Registered: 16 years ago. The 1' wider that was stated in paul/chuck 's book may have been miss spoke. var u='http://50chevy.freeservers.com/cgi-bin/sitestats.gif?p='+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); 2/4-door sedan body type. Mercury Capri/Bobcat, Monte Carlo, Regal, etc. 18 21 The '70 to '81 Camaro rear end is 61 inches. 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. 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. 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 . 1985 to 1989: 7.625 inch ring gear, 26 spline axle. So why did the Ford 9-inch become the premier differential of modern day hot rodding? Click the above picture to view full size. Advance Design Trucks seem to be using rear There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. 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. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. Add Width to The following information is provided to help you identify the differential you are working on. 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. Approximate rear end widths measured from backing plate to backing plate. Rear axle widths. Source for tire and wheel application fitment data. startxref The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. GU6 - 3.42's Standard manual trans gear ratio. '69 Dodge Van, '71 Torino 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. 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. to change without notice. They were tough with 9.3-inch ring gears, big pinion shafts, and large-diameter bearings and tough axles. '70 Dodge, '71-77 Maverick The intake valve size increased to 2.11" and the exhaust valve increased to 1.77"in size from the previous model. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. 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. Its narrow front end with a plastic, wrapped-around bumper featured fog lights as an option. 1958-1970 Full size Chevy rear differential identification chart. %PDF-1.4 % Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. To say I was disappointed by the service provided by this company would be an understatement. '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 May 7, 2009. @`AWG^8J>4j|^Vk@oXq7@@/9ep On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. SiteStats_3379(); L = Low - Zero to Negative Offset, Offset typically RWD (Rear . 1969. GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . JavaScript is disabled. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. 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 " "" "" ". I actually had the axles in less than 4 days! User Info. For a better experience, please enable JavaScript in your browser before proceeding. 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. Drag Racing 101 ~ Everything You Need to Know! For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & 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? 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. $5 Off Your $100 Mobile App Purchase . A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Plywood pieces work well for shims. Popular Tools & Look-Ups. 1939 engine numbers run 1915447 through 2697267. 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. Valves. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. 0000001291 00000 n 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. I placed the order with Speedway motors in late July for my rear end housing and Currie axles. 0000009416 00000 n Stop listening to your street rodder buddy and back away from the 9-inch. GU5 - 3.23's Optional auto trans gear ratio. In 1958 a good thing got better when limited-slip differentials were offered. '67 Lincoln, '69 Dodge It has the 4.75" bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. ; Home 2; Home 3; Home / / pontiac rear end width chart. Learn more. Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". 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. %twE_( H@v7H f)p* 0KO|O n>+ Ford continued cranking out the 9-inch in vast quantities well into the '80s. used a 3.21 Dana 44 used a standard chevy Estimated Lead Time: 5-Days. 57" 71-74 V-8 A: Ford 9-inch is like the small-block Chevy of rearends. stock from flange to flange it is 60 ". It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. 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. candidate to replace the torque tube rear end or just get a better set of gears 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. Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). Approximate rear end widths measured from backing Professional technical support is available . They were robust, drop-out-style third members that offered the strength and serviceability racers required. Calculating the torque multiplication that your axle gears provide is quite easy. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. 0000000991 00000 n Contributing information were Bob Welch, J 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. plate to backing plate. the versailles / granada rear ends from flange to flange is 58.5". 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. 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. endstream endobj 29 0 obj<>stream 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. The new P/O 9.3-inch immediately found its way into hot rods and race cars. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. The Rochester Quadrajet carburetor was featured on the top spec GTO. 20 0 obj<>stream 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. Trans Am. Discussion in 'Traditional Hot Rods' started by Ruiner, Sep 4, 2006. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. '67 Mustang V-8, '69 Firebird also note on the A4's (auto's) shifter console if the gear selector for 1 is missing. 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. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger 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 4.24 out of 5 stars. My 69 gto convert., purchased within the last year has a painful 2.56 rear gear. . 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. Quality and service was excellent. Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . Wilwood Engineering designs and manufactures high-performance disc brake systems. Interest in vintage drag racing is now approaching a rapid boil. (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. GU3 - 3.08's V6 gear ratio. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 Cylinders. find the 1/2 ton size yoke on a dana 60. Approximate rear end widths measured from backing plate to backing plate. (Rear Wheel Drive) +20 offset. 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. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. 62" 64-77 Chevelle, 73-76 Torino, 89 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. . may be different than pictured. but the body with is 1" wider on 66-67. GM / Chevy - Differential IdentificationShop by your differential. Buy in monthly payments with Affirm on orders over $50. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. 455 ho only(c-type axle) 12 bolt 1970 3.36 cok col fb 1970 3.55 cow cox fb 1970 3.55 wv xv gto 455 ho only(c-type axle) 12 . A solid front axle was found under the front of nearly every gasser. Six-cylinder truck engine block and head casting numbers. Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. 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. '71 - 72 Pinto Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! //-->. 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

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