find the 1/2 ton size yoke on a dana 60. 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. )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw 1940 engine numbers run 2697268 through 3665902. '72 Charger Will only work with bolt in style axles. 5D med-duty 4-pinion. Forbes and various locations throughout the Web and Automotive Magazines. 3.08. Chrome 10 Bolt Rear End Cover Fits Chevy Pontiac Oldsmobile10 Bolt Differential I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. Plywood pieces work well for shims. So why did the Ford 9-inch become the premier differential of modern day hot rodding? Grand Prix. GU6 - 3.42's Standard manual trans gear ratio. note 64 64 axle is same. The following tags will show a 4L80E transmission as an example. Like most american muscle cars of the Day the Pontiac GTO was a front engined rear wheel driven car. [ July 26, 2022 ] Reversing Gears ~ Rescuing One's Own Derelict 1967 Pontiac GTO Builds and Examples [ July 24, 2022 ] . Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. 1939 engine numbers run 1915447 through 2697267. 0000005198 00000 n SiteStats_3379(); Wheel- Size.com The world's largest wheel fitment database. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. GM / Chevy - Differential Identification - www.RigidAxle.com Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. 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. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. 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 . 60" 60's GMC and 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.e. Items Contributing information were Bob Welch, J Q: What cars did they originally come in? Estimated Lead Time: 5-Days. Prices and availability are subject For instance, if both the engine and transmission deliver up to 100 ft./lbs. 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. with 10 bolt axle, "A" body note 64 64 axle is same. to change without notice. used a 3.21 Dana 44 used a standard chevy 71-76 Full Size Cars " if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. 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 . In head/2 per cylinder. '67 Chevrolet Six There is also a yellow stamp 10 22 which is the . stock from flange to flange it is 60 ". Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Rear end gear ratio???? - LS1LT1 Forum Plywood pieces work well for shims. If in doubt, consult one of our differential experts at (800)510-0950! Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . The following list 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. 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 ; . Below matches. 0000003369 00000 n B-O-P axles also have identifying grooves traveling along each side of . Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. 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 Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. 71- Newer 2wd trucks use a 5 on 5 lug pattern The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. 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 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. Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. JavaScript is disabled. 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. PONTIAC Bolt Pattern Cross Reference and Wheel Sizes Ford continued cranking out the 9-inch in vast quantities well into the '80s. . 3:08, 3:40, 3:73 18 0 obj<> endobj Mercury Capri/Bobcat, Monte Carlo, Regal, etc. endstream endobj 29 0 obj<>stream Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". 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 : Check here to see if your engine is correct for your year truck. 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. 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. Floor jack permits you to raise and lower wheels to check for clearance. 0000000716 00000 n 73-77 GM A-body axle width? | Hot Rod Forum Rear end widths - El Camino Central Forum Several years later, the popularity of this almost deceased differential was rapidly swelling. Many aftermarket options exist with all of the appropriate mount points. Task Force width ranges at this time. 1967 Pontiac GTO - Wheel-Size.com & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. 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. 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. 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. While not as strong as a race-dedicated spool, the 31-spline Trophy Track carries a potent arsenal, including six 9310 alloy gears and twin cross-shafts, all of which are dimensionally larger and stronger than anything offered previously. 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. Detroit gear & axle : AB : 3.36 : No : Powerglide : Detroit gear & axle : AC : 4.11 : No : 3 speed, O.D . '73 Ventura, '65 Ram American 1/4 Mile : 13.1 seconds. Picture is from parts book. 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. Mavericks 8", All '75-77 6's & 8's The Pontiac/Oldsmobile 9.3-inch is your axle. The S10 10bolt 7.5/7.625" rear end is a good choice for the light low to medium horsepower small block cars. I'm running the wider blazer rear end . 62" 64-77 Chevelle, 73-76 Torino, 89 Trans Am. I'm not sure of the Outside of flange to outside 54.25" 66 up are wider. lx ?ZXj^|\\(|ka(XKIg#+ 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. Picture is from parts book. /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. 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. Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. sized GM Car, Malibu/Monte Carlo (82 up Metric Studs), 80 Granada & var u='http://50chevy.freeservers.com/cgi-bin/sitestats.gif?p='+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC 0000002038 00000 n Year. It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. 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. Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. 64 Rear End Width - Bringing the Pontiac Hobby Together pontiac rear end width chart . Re: Rear end interchangability 1965 to 1967 IMPAL. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . B. 0 Rear-End Widths of Classic American Cars - Roadkill Customs This number may be on the top, bottom, or either side of the axle shaft. Both of these are semi-floating axles. As a result, many tribute cars and gasser-inspired builds had to stray from correctness. You bring the gumption. '72-73 Mazda, '28-40 Ford , '57 - 59 Ford but the body with is 1" wider on 66-67. Advance Design Trucks seem to be using rear Posts: 8. Measuring for the correct rear end width - Rodplans Billet-steel yokes and carrier caps could be added to make the 9.3-inch nearly bomb-proof. '72 Dart '72-75 Datsun Pickup Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. 41/14. "+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. 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. var I=new Image(1,1); I.src=u; 1969. Pontiac Rear End Gear Codes - Ron's Pontiac Page It's not to the same level as a concours-correct restoration; no judge will deduct points for an incorrect paint code. 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. 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. 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. That being said, if you have at least 2" of clearance (and preferably more) between your stock tire/wheel combo and the frame or exhaust pipe, whichever is closest to the tire, then a 56" rear end width could possibly fit. Information provided by:Joe GarciaThe Resto Rod Shop. pontiac rear end width chart - akzenterprises.com . '70 Dodge, '71-77 Maverick Drag Racing 101 ~ Everything You Need to Know! "Hy-Tuff" axles are available for it from Moser and Mark Williams in any length (needed to . '70 Nova '69 Javelin Six , '70 dodge Rear Wheel: Production Years for Series : 1964 - 1967 : Price : $2,437-$3,095: Weight : 3015 lbs | 1367.581 kg: Performance. 59" 68-83 Corvette , 67-70 Mustang/Cougar/Fairlane, 60" 55-64 Chevy I ordering the axles from Bears Performance who kept thier promise of delivery in about a week. '67 Mustang V-8, '69 Firebird Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. 1958-1970 Full size rear Differential Identification - 348-409.com '66 Falcon, '69 Chevrolet $1,825.00. 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. 100 x 4.12. The Rochester Quadrajet carburetor was featured on the top spec GTO. Quality and service was excellent. I believe the width, outside axle flange to outside axle flange, is 64 inches. The 10-bolt was used in all the low performance applications. 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. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. M&M CUSTOM. Richmond Gear calls the 57-64 Olds/Pontiac rear a GM 9.3" Axle (the ring gear is 9.3 inches). But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. GM with 7.5 & 7.625 Ring Gears : 1985-1997. Dec 26, 2008. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. 1957-1964 Pontiac and Oldsmobile Rearends - Revival - MotorTrend xref S10. * Ring #s GM 40 13 == 67 - 8 - A. I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. 1958-1970 Full size Chevy rear differential identification chart. Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. plate to backing plate. PDF Differential ID Chart - Summit Racing Equipment Please select a rear end that matches your vehicle below.General Motors has a wide range of front and rear ends! They're tough, right? Cylinders. Add Width to compensate for drums as follows: 4" - 5" for small cars 5" - 6" for intermediate cars 6" - 8" for large cars . While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. @`AWG^8J>4j|^Vk@oXq7@@/9ep Car, 67-69 Camaro, 64-67 Chevelle, Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear to change without notice. 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. July 30, 2004 11:23PM. My rear is the bolt in axles. pontiac rear end width chart - nftcollectionlab.com The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. 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. This ratio is 3.08, perfect for cruisin. 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. (rear-wheel drive), automatic 3-speed gearbox . 0000001170 00000 n What I did is shown below in the photos. 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. While it still may take an investment in time to locate a good third-member core and housing for your gasser project, these components are still relatively plentiful and quite affordable. 0000002277 00000 n B-O-P 10-bolt rear axles: A guide to GM's other muscle-era - Hemmings 47 - 54 rear end width - The Stovebolt Forums getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. 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. '68 AMX Six-cylinder truck engine block and head casting numbers. "" "" ". Building a gasser is a satisfying way to blast down the track, turn some heads, and salute the good old days of racing. 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. They were robust, drop-out-style third members that offered the strength and serviceability racers required. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. '41 -48 Ford, '68-72 Chevelle They are also easily modified to suit any chassis. Several features are common to most gassers. 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. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. 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 . Identified by casting number & number of cover bolts. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. Vehicles with Similar . 1985 to 1989: 7.625 inch ring gear, 26 spline axle. $5 Off Your $100 Mobile App Purchase . Inland Empire GTO Club - An All Pontiac Club Impala Rearend width ? | LayItLow.com Lowrider Forums '71 Comet Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". compensate for drums as follows: 4" - '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet Approximate rear end widths measured from backing plate to backing plate. 1957-58 are 29-spline and 1959-1964 are 31 spline. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> 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 0000000016 00000 n Its narrow front end with a plastic, wrapped-around bumper featured fog lights as an option. 1967 PONTIAC GTO Differential & Rear-End Components Combination / conversion universal joint size, dimensions Is a pontiac center section as olds rear ends of that era? 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. Under the hood, Pontiac installed a 2.5 . PDF Pontiac Rear End Decoder - thepartsplaceinc.com a Custom Classic Truck" Peterson Publication; June or July 1999,