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. 0000012085 00000 n 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. Here you can see the three white paint splotches identifying the pinion size and the gears. Last Update: Feb. 24, 2023, 5:12 a.m. . 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 . 5" for small cars 5" - 6" for intermediate Is a pontiac center section as olds rear ends of that era? Interest in vintage drag racing is now approaching a rapid boil. 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. NFTs Simplified > Uncategorized > pontiac rear end width chart. 0000008567 00000 n 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. Look at the RPO codes. 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. 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? '67 Mustang Six , '68 AMX Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. It has been my experience that the 66 up axle is longer. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. '72-73 Mazda, '28-40 Ford , '57 - 59 Ford Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential Mickey Thompson even produced aftermarket Olds and Pontiac magnesium gear cases that were frequently used in dragsters. '65 Cadillac, '66 Buick Wildcat Ford continued cranking out the 9-inch in vast quantities well into the '80s. Approximate rear end widths measured from backing plate to backing plate. . Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . 0000006915 00000 n Cylinders. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. '67 to '70 Mustang/Cougar 8 cyl. $5 Off Your $100 Mobile App Purchase . Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! It is now late November and I still do not have my axles. 0000002004 00000 n . The later rear axle requires a wheel with between 5" and 5-1/4" of backspacing, while the earlier axles will only need a wheel with 4-1/2" to 4-3/4" backspacing. All correct GM codes and part numbers. Currie Centurion Housing - Classic notchback looks in a new, high-strength, American-made housing, that features 3-inch diameter axle tubes, and CNC machined face flange, for a flat leak-free . also note on the A4's (auto's) shifter console if the gear selector for 1 is missing. Pontiac/Olds 9.3 parts are manufactured in the United States and are made in smaller custom production runs using high-quality alloys and the best materials available. Will only work with bolt in style axles. 1985 to 1989: 7.625 inch ring gear, 26 spline axle. Re: Rear end interchangability 1965 to 1967 IMPAL. Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. This method will work but the wheels are always trying to roll away and tip over making it very hard to check for clearance and be sure that your measurements are correct . So why did the Ford 9-inch become the premier differential of modern day hot rodding? Yes the axles were special in that I wanted to use a 28 spline center section already had rather than buy a new 3rd member to suit the 31 spline axles that Speedway stocked. "+j)(4 T "Hd&6F T:R%xA+R>6^yyp0}Zc9^):(cdf_rKr2zB,ywV}w0*lkxwM y icR,2*G{>K\"|>XWAIRYQ_dKx}wt}_=/3=)>fQaa-# C+|prj~%ox$LpKaGPG&T`o. GMC V-6 Car, 67-69 Camaro, 64-67 Chevelle, 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. Drag Racing 101 ~ Everything You Need to Know! 1939 engine numbers run 1915447 through 2697267. var u='http://50chevy.freeservers.com/cgi-bin/sitestats.gif?p='+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. The Olds and Pontiac both used the same center section. The correct width for 59' & 60' is 63-1/4" I believe. 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. 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. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid SiteStats_3379(); '67 Chevrolet Six to change without notice. 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. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. '69 Dodge Van, '71 Torino 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. Floor jack permits you to raise and lower wheels to check for clearance. 0000000016 00000 n Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. 3.21 to 3.92. Many aftermarket options exist with all of the appropriate mount points. The 1' wider that was stated in paul/chuck 's book may have been miss spoke. 0000006068 00000 n The current axle needs to be measured to verify width, because it plays an important part in determining what rim backspacing is necessary. B-O-P axles also have identifying grooves traveling along each side of . My rear is the bolt in axles. The following is a general Vehicles with Similar . Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports AXLE DIFF 4X4 FRONT DIFF PARTS AXLE DIFF REAR END PARTS . 0000005198 00000 n [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . If you noticed the axles are missing you would be correct. ends with widths ranging from 58"- 62". Its narrow front end with a plastic, wrapped-around bumper featured fog lights as an option. The non C-clip 8.5" 10 bolt, type "C" rearend was used in some 1969-'72 Pontiac GP and 1970-'72 Monte Carlo. candidate to replace the torque tube rear end or just get a better set of gears 66-69 axle does not include 64 65 . 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 . The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. '72 Cricket I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. 40/13. Plywood pieces work well for shims. 59" 68-83 Corvette , 67-70 Mustang/Cougar/Fairlane, 60" 55-64 Chevy Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. I actually had the axles in less than 4 days! The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . GU3 - 3.08's V6 gear ratio. 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). lx ?ZXj^|\\(|ka(XKIg#+ . 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. Engine Numbers. And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. 0 RWD (rear-wheel drive), automatic 4-speed gearbox. This number may be on the top, bottom, or either side of the axle shaft. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! '67 Mustang V-8, '69 Firebird Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. 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. Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. 0000002038 00000 n Axle Images: Axle Details. '69 Javelin Six , '70 dodge 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 : %twE_( H@v7H f)p* 0KO|O n>+ Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. 4.24 out of 5 stars. The 301 was Pontiac's only V-8 left in production by 1979. the wider housing is not 1" closer to 3/4 . Mercury Capri/Bobcat, Monte Carlo, Regal, etc. charles coker, 1953 pontiac tech advisor. B. 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. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's Very hard to find set, being as this is version is not being reproduced. 1957-58 are 29-spline and 1959-1964 are 31 spline. Originally posted by SUNNYD @Mar 22 2007, 10:23 PM~7534589. 0000000716 00000 n S10. Both of these are semi-floating axles. 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 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. 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. 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. Privacy Policy. Chrysler sent out the last of its 8.75-inch rearends in the early '70s. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. If in doubt, consult one of our differential experts at (800)510-0950! The housing came in a couple of weeks but without the axles. Is a pontiac center section as olds rear ends of that era? with 10 bolt axle. My '64's measure 54.25". Items A: Ford 9-inch is like the small-block Chevy of rearends. some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's Task Force width ranges at this time. 0000002277 00000 n 3.08. but the body with is 1" wider on 66-67. 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. The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. '67 Lincoln, '69 Dodge Product By Category; Products By SKU/ID; . The End of an Era. 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. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . Outside of flange to outside 54.25" 66 up are wider. Wilwood Engineering designs and manufactures high-performance disc brake systems. For a better experience, please enable JavaScript in your browser before proceeding. Factory Width. hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. 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. Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . Prices and availability are subject 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. They were robust, drop-out-style third members that offered the strength and serviceability racers required. Diagram. '69 Oldsmobile 88, '72 Chrysler 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. 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 . for highway driving. '68 AMX I placed the order with Speedway motors in late July for my rear end housing and Currie axles. Check here to see if your engine is correct for your year truck. . & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. Part Number: YGA-21289. pontiac rear end width chart. 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. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & '41 -48 Ford, '68-72 Chevelle Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. In 1958 a good thing got better when limited-slip differentials were offered. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. . 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. Prices and availability are subject Drag Racing 101 ~ Everything You Need to Know! HVr0*u9$K;IG]&U&"x\s. compensate for drums as follows: 4" - 1969. 1982 to 1984: 7.5 inch ring gear, 26 spline axle. And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. 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. 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. 0000002353 00000 n 0000001291 00000 n Six-cylinder truck engine block and head casting numbers. 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 Compared to the Ford, the P/O parts were more expensive. '67 Chevrolet big car It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! note 64 64 axle is same. GM / Chevy - Differential IdentificationShop by your differential. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. well i have 1 from f 150 82 b/plate 2 b/plate it is 58". 0000000911 00000 n All but a few of the old factory limited-slips had been gathered up and beaten to death. 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. Copyright 2023 Welcome To Rodplans! 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.
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