the wider housing is not 1" closer to 3/4 . compensate for drums as follows: 4" - to change without notice. Very hard to find set, being as this is version is not being reproduced. endstream endobj 19 0 obj<> endobj 21 0 obj<> endobj 22 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 23 0 obj<> endobj 24 0 obj<> endobj 25 0 obj[/ICCBased 36 0 R] endobj 26 0 obj<> endobj 27 0 obj<> endobj 28 0 obj<>stream Mopar Rear Axle. For some time, only a small handful of ratios were available in new gears. 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. Cylinders. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. Learn more. 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. charles coker, 1953 pontiac tech advisor. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 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. It is a little better than the Camaro 8.2 10 bolt. 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? There's absolutely no excuse to use the wrong differential in your gasser. 1940 engine numbers run 2697268 through 3665902. The Olds and Pontiac both used the same center section. Six-cylinder truck engine block and head casting numbers. Advance Design Trucks seem to be using rear 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. 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 . (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build 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. 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 . What is the width of a 1959 pontiac rear end? '70 Duster , '71-77 Maverick Prices and availability are subject 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. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger i.e. xref 66-69 axle does not include 64 65 . The new P/O 9.3-inch immediately found its way into hot rods and race cars. 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. 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 . '72 Cougar, '74 Pontiac, '49 Plymouth, '61 Chevrolet Impala Posts: 8. ends with widths ranging from 58"- 62". Picture is from parts book. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Picture is from parts book. Approximate rear end widths measured from backing 5D med-duty 4-pinion. Approximate rear end widths measured from backing plate to backing plate. Information provided by:Joe GarciaThe Resto Rod Shop. Good luck. 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. Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. Wilwood Engineering designs and manufactures high-performance disc brake systems. The End of an Era. 70 2wd 6 lug rear end 12 bolt Possible gear ratio's 1956 and back have 10-spline axles. Ford. 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 : If it has the original Borg Warner posi then it is stronger than the Chevy 10 bolt. The Pontiac/Oldsmobile 9.3-inch is your axle. 0 For 1966-1970 Plymouth and Dodge B-bodies there were three basic rear end assemblies that were available: the 8, the 8, and the 9 Dana 60. . . Stop listening to your street rodder buddy and back away from the 9-inch. Casting # Year: Body: Size: Notes: 2070051: 1960 - 71: A . Both of these are semi-floating axles. . I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. Mickey Thompson even produced aftermarket Olds and Pontiac magnesium gear cases that were frequently used in dragsters. stock from flange to flange it is 60 ". 0000002038 00000 n Buick/Olds/Pontiac axles are typically retained with bearings. the versailles / granada rear ends from flange to flange is 58.5". Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. L = Low - Zero to Negative Offset, Offset typically RWD (Rear . 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. 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. All correct GM codes and part numbers. Interest in vintage drag racing is now approaching a rapid boil. 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. '67 to '70 Mustang/Cougar 8 cyl. 60" 60's GMC and some Chevy's Dana 44 or Dana 60 with leaf springs 6 lug, Gear ratio's 3.21 to 3.92. '69 Cougar, '71 -73 Nova Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. In searching the web I found the following links that have a massive of information on rear end widths and wanted to share. '73 Ventura, '65 Ram American Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports This 1955 Chevrolet 3100 Step Side Pickup Truck was built by the Hot Rod Factory, Minnesotas premier hot rod shop and muscle car restoration facility. GU3 - 3.08's V6 gear ratio. 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. 0000000716 00000 n 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. It is now late November and I still do not have my axles. B-O-P axles also have identifying grooves traveling along each side of . some sources state that the 67 and latter are wider. A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. For many years prior, Olds and Pontiac differentials had been a dominant rear axle in drag racing and other motorsports. These dimensions do not include brake drums and are measured from backing plate to backing plate. 0000009416 00000 n Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. Rear axle widths. Quick question, I'm looking at a '50 Pontiac and was wondering if it had a torque-tube or a driveshaft. 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. '67 Mustang V-8, '69 Firebird but the body with is 1" wider on 66-67. Plywood pieces work well for shims. J.T. Originally posted by SUNNYD @Mar 22 2007, 10:23 PM~7534589. 1939 engine numbers run 1915447 through 2697267. 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 ; . sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & Suspension Width (Flange to Flange), Ford Mustang II/Pinto & The Firebird rear end would have been a BOP 8.2 10 bolt. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. may be different than pictured. '69 Javelin Six, '39 -48 Chevrolet 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. i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. You bring the gumption. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). for highway driving. Source for tire and wheel application fitment data. M&M CUSTOM. '72-73 Mazda, '28-40 Ford , '57 - 59 Ford 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. The following tags will show a 4L80E transmission as an example. 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. Copyright 2023 Welcome To Rodplans! Calculating the torque multiplication that your axle gears provide is quite easy. 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. note 64 64 axle is same. NFTs Simplified > Uncategorized > pontiac rear end width chart. with 10 bolt axle. (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. 0000007740 00000 n GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . . Valves. 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. Mercury Capri/Bobcat, Monte Carlo, Regal, etc. & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. var t=new Date(); '62 Buick Skylark, '67 Chevrolet Six A turbocharger was added to the 301 to give the 1980 Trans Am an injection of performance. To say I was disappointed by the service provided by this company would be an understatement. 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. "+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. 5E med-duty 4-pinion. Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. '70 Dodge, '71-77 Maverick I actually had the axles in less than 4 days! Needle BUILD IT YOURSELF - PARTS LISTS BUSHINGS TO ADAPT TUBE SIZE . But it's been so long I can't be certain. ). '72 Cougar Terms of Service. 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. I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. Grand Prix. May 7, 2009. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! 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 . I'm not sure of the startxref 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. The current axle needs to be measured to verify width, because it plays an important part in determining what rim backspacing is necessary. |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N 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. The dana pinion stands forward about 2" more than the 9 1/4, the driveshaft will need to be shortened accordingly. My 69 gto convert., purchased within the last year has a painful 2.56 rear gear. The non C-clip 8.5" 10 bolt, type "C" rearend was used in some 1969-'72 Pontiac GP and 1970-'72 Monte Carlo. 71-76 Full Size Cars " The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. For the do-it-yourselfer, Fabcraft offers a full-color manual with excellent tech info on the differential. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. As a result, many tribute cars and gasser-inspired builds had to stray from correctness. Your differential is the set of gears that allows your vehicles driven wheels to revolve at different speeds by splitting your engine torque in two directions, An Online Magazine for DIY Hot Rod Builders. 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. 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC Car, 67-69 Camaro, 64-67 Chevelle, 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 In head/2 per cylinder. var I=new Image(1,1); I.src=u; 1957-58 are 29-spline and 1959-1964 are 31 spline. Contributing information were Bob Welch, J In 1957, the Pontiac and Oldsmobile designs were combined and improved upon, producing a brand new 9.3-inch differential. '67 Chevrolet big car 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? endstream endobj 29 0 obj<>stream While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. "SPECIAL" CARS - 1938 Pontiac Special six. find the 1/2 ton size yoke on a dana 60. pontiac rear end decoder year ratio open posi model notes: . Here you can see the three white paint splotches identifying the pinion size and the gears. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! 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. A solid front axle was found under the front of nearly every gasser. 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. Mavericks 8", All '75-77 6's & 8's 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. GM quit making the 9.3-inch in 1964. (rear-wheel drive), automatic 3-speed gearbox . GU5 - 3.23's Optional auto trans gear ratio. '69 Oldsmobile 88, '72 Chrysler If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". HVr0*u9$K;IG]&U&"x\s. 0000000911 00000 n jack39rdstr # 169783 04/02/10 02:03 PM. Find your GMC/Chevy vehicle in the chart below and click on the illustration for a larger view. 1990 to 1992: 7.625 inch ring gear, 28 spline axle. 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 . 60" 60's GMC and 3.08. Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear . 1/4 Mile : 13.1 seconds. '67 Mustang Six , '68 AMX Identified by casting number & number of cover bolts. Many aftermarket options exist with all of the appropriate mount points. My '64's measure 54.25". Chrysler sent out the last of its 8.75-inch rearends in the early '70s. 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 other drawback is that you can only check for clearance at the height the jack stands are set to. * Ring #s GM 40 13 == 67 - 8 - A. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! The 301 was Pontiac's only V-8 left in production by 1979. JavaScript is disabled. The following is a general well i have 1 from f 150 82 b/plate 2 b/plate it is 58". 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. 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. 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. lx ?ZXj^|\\(|ka(XKIg#+ The early Nova's 62-67 would be about 2" shorter. Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. Approximate rear end widths measured from backing plate to backing plate. Vehicle. Ford continued cranking out the 9-inch in vast quantities well into the '80s. Wheel Stud *. My rear is the bolt in axles. RWD (rear-wheel drive), automatic 4-speed gearbox. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? 0000012085 00000 n '71 Comet , '71- 72 Pinto, '39 -48 Chevrolet, '68 GTO All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. Your Nova should be the same as 67-69. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. The 1' wider that was stated in paul/chuck 's book may have been miss spoke. 0000001644 00000 n Terms Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. 66-69 axle does not include 64 65 . Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. User Info. S10. Vehicles with Similar . '72 Chrysler. Building an example that truly reflects what was around back then takes a certain passion for correctness. The following information is provided to help you identify the differential you are working on. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. ?|-Zce14^nF%67( }fSRaQfqX?|{8{>? VX5EX=b :"-'k>.VbyV^-nWxv-WgUtpo>sMhlI4ZV<4+s>|2k>\x{7M^^x. 0000000016 00000 n You are using an out of date browser. 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 . . 57" 71-74 V-8 I guess 66 will work too, but I don't have any way to verify this, nor any more information for you. Additionally, it can be a relatively affordable way to enjoy a day at the track. However, the 9.3-inch differential was saved from obsolescence by a Texas-based company called Fabcraft Metalworks and its owner, Brad Duerst. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! This information will change as further information and corrections become available. 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. This ratio is 3.08, perfect for cruisin. 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). Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Engine Numbers. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. You must log in or register to reply here. 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. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . 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. A: By casting numbers and date codes, along with other external characteristics, all of which are shown in the manual by Zach Davidson and Brad Duerst. 41/14. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. You bring the gumption. I cut two axle flanges from a couple of short pieces of wood and then used 3/8 lag bolts to attach them to the longer center portion of the rear axle.
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