pontiac rear end width chart

Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. 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 . '72-75 Datsun Pickup 0000002277 00000 n The final drive ratio is identified with 2 or 3 letters codes. . Engine Numbers. 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. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. 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. 71-76 Full Size Cars " In head/2 per cylinder. There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. B-O-P axles also have identifying grooves traveling along each side of . HVr0*u9$K;IG]&U&"x\s. June 5, 2022 Posted by: Category: Uncategorized It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. May 7, 2009. 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC The Rochester Quadrajet carburetor was featured on the top spec GTO. '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup 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. '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet Advance Design Trucks seem to be using rear NFTs Simplified > Uncategorized > pontiac rear end width chart. '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 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. Several years later, the popularity of this almost deceased differential was rapidly swelling. ZE reg-duty / 4E med-duty 4-pinion. '72 Cougar 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. well i have 1 from f 150 82 b/plate 2 b/plate it is 58". They are also easily modified to suit any chassis. ends with widths ranging from 58"- 62". 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. Posts: 8. Re: Rear end interchangability 1965 to 1967 IMPAL. The following information is provided to help you identify the differential you are working on. These smaller volumes and domestic content result in slightly higher prices. 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. Copyright 2023 Welcome To Rodplans! '72 Chrysler. I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. Axle Images: Axle Details. Rear axle widths. Rear-end questions. '72 Cricket may be different than pictured. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. manufactured by Pontiac in United States. This ratio is 3.08, perfect for cruisin. But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. '69 Javelin Six, '39 -48 Chevrolet Chevy 10 Bolt Rear End Widths. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. A: Ford 9-inch is like the small-block Chevy of rearends. '71 - 72 Pinto The Olds and Pontiac both used the same center section. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. These dimensions do not include brake drums and are measured from backing plate to backing plate. 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 Post: rear end width chart (Topic#173541) greg pharr Contributor Posts: 897 Loc: North Mississippi Reg: 07-09-03. Registered: 16 years ago. Shop Full Width; Shop With Sidebar; . You can do this by multiplying by the gear ratio. Last Update: Feb. 24, 2023, 5:12 a.m. %%EOF '73 Ventura, '65 Ram American The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. 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. You bring the gumption. 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. 2/4-door sedan body type. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. '67 Lincoln, '69 Dodge startxref 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. Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. Calculating the torque multiplication that your axle gears provide is quite easy. '67 Mustang V-8, '69 Firebird What is the width of a 1959 pontiac rear end? Product By Category; Products By SKU/ID; . The other drawback is that you can only check for clearance at the height the jack stands are set to. 0000001170 00000 n 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. Contributing information were Bob Welch, J Trans Am. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. JavaScript is disabled. ?|-Zce14^nF%67( }fSRaQfqX?|{8{>? VX5EX=b :"-'k>.VbyV^-nWxv-WgUtpo>sMhlI4ZV<4+s>|2k>\x{7M^^x. . I believe the width, outside axle flange to outside axle flange, is 64 inches. 0000006915 00000 n The 10-bolt was used in all the low performance applications. It is a little better than the Camaro 8.2 10 bolt. 1956 and back have 10-spline axles. @`AWG^8J>4j|^Vk@oXq7@@/9ep Ford continued cranking out the 9-inch in vast quantities well into the '80s. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. 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 " "" "" ". 20 0 obj<>stream 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. You must log in or register to reply here. . The early Nova's 62-67 would be about 2" shorter. Plywood pieces work well for shims. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 40/13. 0000009416 00000 n All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". Below matches. 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 Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear jack39rdstr # 169783 04/02/10 02:03 PM. 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. 4.24 out of 5 stars. There is no point in mocking up the wheels to a width that in not commercially available or one that was never provided by the OEMs unless you are planning on spending a lot more money on a custom width housing and axles. 3.21 to 3.92. 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. var I=new Image(1,1); I.src=u; Under the hood, Pontiac installed a 2.5 . 18 21 The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. 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. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! You are using an out of date browser. Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. . I'm not sure of the 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. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. 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 . 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. '74 Valiant, '57 Ford (rear-wheel drive), automatic 3-speed gearbox . Additionally, it can be a relatively affordable way to enjoy a day at the track. S10. If you noticed the axles are missing you would be correct. 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. 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. 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. All Rights Reserved. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. The End of an Era. may be different than pictured. Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. "+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. PY Online Forums - Bringing the Pontiac Hobby Together, Classic TECH- specs, codes, resto issues FORUMS. I placed the order with Speedway motors in late July for my rear end housing and Currie axles. The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. '69 Javelin Six , '70 dodge Vehicle. 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. "Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. 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. 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. Someone may correct me, but as I recall 1959 was the first year for the "Wide Track" Pontiac. i.e. 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. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. . My '64's measure 54.25". 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. The actual width that I made out of wood was based on both the measurements I had taken with the loose wheels and my research to determine what widths were available for purchase. SKU: CE-GMG7887X. 0000005198 00000 n 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. Its pretty easy to find a good one if you are in an area with a few junkyards. Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. Good luck. 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. No one is making new 31-spline side gears at this time, which is not good. ). Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. 3.08. It has been my experience that the 66 up axle is longer. 0000002004 00000 n Interest in vintage drag racing is now approaching a rapid boil. Drag Racing 101 ~ Everything You Need to Know! Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. charles coker, 1953 pontiac tech advisor. 0000008567 00000 n Add Width to 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. Check here to see if your engine is correct for your year truck. to change without notice. The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. Popular Tools & Look-Ups. 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. GU2 - 2.73's Standard auto trans gear ratio. Factory Width. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 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 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. 57" 71-74 V-8 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. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . The '70 to '81 Camaro rear end is 61 inches. pontiac rear end decoder year ratio open posi model notes: . Terms of Service. The two makes used very similar differentials through the mid-'40s and into the '50s. pontiac rear end width chart . Willwood Engineering. 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 : Dec 26, 2008. For instance, if both the engine and transmission deliver up to 100 ft./lbs. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . '71 Comet , '71- 72 Pinto, '39 -48 Chevrolet, '68 GTO Many aftermarket options exist with all of the appropriate mount points. Buy in monthly payments with Affirm on orders over $50. 18 0 obj<> endobj In this 489 case it is 3:91 gears and a 1 7/8 pinion. %twE_( H@v7H f)p* 0KO|O n>+ Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. 71- Newer 2wd trucks use a 5 on 5 lug pattern L = Low - Zero to Negative Offset, Offset typically RWD (Rear . If in doubt, consult one of our differential experts at (800)510-0950! . (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. for highway driving. I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. note 64 64 axle is same. 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. BOP, Pontiac, Each. They were robust, drop-out-style third members that offered the strength and serviceability racers required. 1940 engine numbers run 2697268 through 3665902. I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. Model. 66-69 axle does not include 64 65 . 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. What I did is shown below in the photos. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger 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. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. 41/14. Year. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. 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. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. 0000007740 00000 n 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? 5D med-duty 4-pinion. Some of the most frequently asked questions regarding the Pontiac/Oldsmobile 9.3-inch rearend: A: Fabcraft Metalworks provides virtually every component for the Pontiac/Oldsmobile 9.3-inch rearend.

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