GM quit making the 9.3-inch in 1964. My '64's measure 54.25". Its pretty easy to find a good one if you are in an area with a few junkyards. Understanding Aluminum Heads and Spark Plugs, OK Go Needing/Getting ~ Its All In The Timing, An Online Magazine for DIY Hot Rod Builders. What is the width of a 1959 pontiac rear end? 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 . Click the above picture to view full size. Posts: 8. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? 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. They are also easily modified to suit any chassis. pontiac rear end width chart. Quality and service was excellent. '67 Mustang A solid front axle was found under the front of nearly every gasser. You are using an out of date browser. 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. Mopar Rear Axle. '72 Cricket But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. 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. Rey Payumo of Kailua, Hawaii found this 1963 Chevrolet Impala packed with junk in a garage in Hayward, California. of extensive information was contributed by R. Welch: Original Vehicles Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid '67 Lincoln, '69 Dodge (Rear Wheel Drive) +20 offset. Rear-end questions. 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 : Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. 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. There is also a yellow stamp 10 22 which is the . All correct GM codes and part numbers. 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. 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 . L = Low - Zero to Negative Offset, Offset typically RWD (Rear . Ford. gasoline (petrol) engine with displacement: 5690 cm3 / 347.2 cui, advertised power: 216 kW / 290 hp / 294 PS ( SAE ), torque: 509 Nm / 375 lb-ft, more data: 1957 Pontiac Chieftain Sedan Tri-Power Hydra-Matic (aut. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & pontiac rear end decoder year ratio open posi model notes: . a Custom Classic Truck" Peterson Publication; June or July 1999, . Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. '67 to '70 Mustang/Cougar 8 cyl. I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. cars 6" - 8" for large cars, '71 Colt Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". '65 Cadillac, '66 Buick Wildcat @`AWG^8J>4j|^Vk@oXq7@@/9ep Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. Plywood pieces work well for shims. Add Width to 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? $1,825.00. . Good luck. '72 Cougar 1982 to 1984: 7.5 inch ring gear, 26 spline axle. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Calculating the torque multiplication that your axle gears provide is quite easy. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. The housing came in a couple of weeks but without the axles. Information provided by:Joe GarciaThe Resto Rod Shop. For a variety of reasons, not the least of which is the current Gasser craze, Pontiac and Olds rearends are enjoying renewed popularity. 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. 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 " "" "" ". NFTs Simplified > Uncategorized > pontiac rear end width chart. '41 -48 Ford, '68-72 Chevelle Mercury Capri/Bobcat, Monte Carlo, Regal, etc. 2D reg-duty / 4D med-duty 4-pinion. 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. 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. Approximate rear end widths measured from backing plate to backing plate. Will only work with bolt in style axles. 62" 64-77 Chevelle, 73-76 Torino, 89 Professional technical support is available . The other drawback is that you can only check for clearance at the height the jack stands are set to. It is a little better than the Camaro 8.2 10 bolt. If it has the original Borg Warner posi then it is stronger than the Chevy 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. while a folding bench was standard for the rear passengers. pontiac rear end width chart . Fabcraft can also supply an excellent manual that tells you everything you need to know about these rearends, along with instructions on overhauling them, or they'll refurbish a rearend for you. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Last Update: Feb. 24, 2023, 5:12 a.m. 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. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . Discussion in 'Traditional Hot Rods' started by Ruiner, Sep 4, 2006. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. The following is a general '71 - 72 Pinto For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. 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. 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. 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. the versailles / granada rear ends from flange to flange is 58.5". Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. Compared to the Ford, the P/O parts were more expensive. Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. The Firebird rear end would have been a BOP 8.2 10 bolt. } Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . 0 |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N 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. 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 Approximate rear end widths measured from backing plate to backing plate. Wheel- Size.com The world's largest wheel fitment database. The following list 60" 60's GMC and The final drive ratio is identified with 2 or 3 letters codes. 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. GM with 7.5 & 7.625 Ring Gears : 1985-1997. 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. On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . '67 Mustang Six , '68 AMX There's absolutely no excuse to use the wrong differential in your gasser. Building an example that truly reflects what was around back then takes a certain passion for correctness. Prices and availability are subject '69 Firebird I actually had the axles in less than 4 days! '72-73 Mazda, '28-40 Ford , '57 - 59 Ford And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. 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. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. '69 Cougar, '71 -73 Nova GMC V-6 JavaScript is disabled. Wheel Stud *. trailer You must log in or register to reply here. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. 0000000991 00000 n '55 -57 Chevrolet, 68-69 Fair lane 6 or 8 Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . 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. GU5 - 3.23's Optional auto trans gear ratio. '74 Valiant, '57 Ford '67 Chevrolet Six 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. 0000001170 00000 n '73 Ventura, '65 Ram American note 64 64 axle is same. 1982-1997. Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. Interest in vintage drag racing is now approaching a rapid boil. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. 71-76 Full Size Cars " Cylinders. 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. used a 3.21 Dana 44 used a standard chevy '72 Chrysler. If in doubt, consult one of our differential experts at (800)510-0950! var t=new Date(); The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 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. 0000004229 00000 n Vehicle. '64 1/2-'65 Mustang Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! The Rochester Quadrajet carburetor was featured on the top spec GTO. endstream endobj 29 0 obj<>stream '66 Falcon, '69 Chevrolet Buick/Olds/Pontiac axles are typically retained with bearings. Part Number: YGA-21289. HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o 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 . Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. It has been my experience that the 66 up axle is longer. function SiteStats_3379(){ 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. Correct two piece design posi unit, exact for only 67 - 69 Firebird 10 bolt 8.2 rears. var I=new Image(1,1); I.src=u; Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear 0000008567 00000 n 70 2wd 6 lug rear end 12 bolt Possible gear ratio's Dec 26, 2008. The End of an Era. 4999 mm / 196.8 in, width: 1854 mm / 73 in, wheelbase: 2746 mm / 108.1 in; reference weights: base curb weight: 1653 kg / 3644 lbs ; . Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. The 301 was Pontiac's only V-8 left in production by 1979. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. 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. June 5, 2022 Posted by: Category: Uncategorized 70-81 4wd 6 lug reared BOP, Pontiac, Each. for highway driving. Several features are common to most gassers. '72 Dart So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. S10. Many aftermarket options exist with all of the appropriate mount points. Mavericks 8", All '75-77 6's & 8's 0000003369 00000 n Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. '70 Dodge, '71-77 Maverick Length, GM 8.2 in. The now famous Ford 9-inch, with it's unique, straddle mounted pinion, offered great strength for its weight, but even the heavy-duty nodular-iron version suffered from weaknesses that the 9.3-inch did not. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets.