100 x 4.12. stock from flange to flange it is 60 ". How to cut your Ford F100 long bed to short bed in a weekend DIY project ~ Two-Part video details cutting frame and bed. The other drawback is that you can only check for clearance at the height the jack stands are set to. . '72 Cricket You must log in or register to reply here. jack39rdstr # 169783 04/02/10 02:03 PM. 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. Outside of flange to outside 54.25" 66 up are wider. Information provided by:Joe GarciaThe Resto Rod Shop. All Rights Reserved. Forbes and various locations throughout the Web and Automotive Magazines. 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. 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. Drag Racing 101 ~ Everything You Need to Know! Prices and availability are subject 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. 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. * Ring #s GM 40 13 == 67 - 8 - A. 1939 engine numbers run 1915447 through 2697267. 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. It has an M-21 four speed and I am ready to upgrade the rear diff. pontiac rear end decoder year ratio open posi model notes: . I'm running the wider blazer rear end . Good luck. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. 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 ; . RWD (rear-wheel drive), automatic 4-speed gearbox. Vehicles with Similar . 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. ZE reg-duty / 4E med-duty 4-pinion. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. 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. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. There's absolutely no excuse to use the wrong differential in your gasser. On Gen1, the code is "hit" on the right side of the rear axle (passenger side) with the inscriptions facing the front of . A: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. This reduced weight and eliminated the stock suspension, producing a spacious engine bay that eagerly accepted the chosen powerplant. 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 . Terms of Service. 0000005198 00000 n 53.6 -- 1971-'77 Chevy Vega, 1973-'77 Pontiac Astre, 1975-'80 Chevy Monza, Buick Skyhawk, Olds Starfire, 1976-'80 Pontiac Sunbird 112.0 coupe; 116.0 sedan,wagon, 61.5, 60.7 -- 1973-'77 Oldsmobile Cutlass, 442 0000012085 00000 n I am using a 62' Olds rear in my 61' Bel Air and it is 1" wider that the stock Bel Air rear. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. 0000001291 00000 n (Rear Wheel Drive) +20 offset. 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. 40/13. 3.21 to 3.92. 1982-1997. 1956 and back have 10-spline axles. 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 . The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. '65 Cadillac, '66 Buick Wildcat So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. All housings have strong, tapered axle tubes, come in numerous widths, and sport a variety of suspension brackets. '67 Lincoln, '69 Dodge var t=new Date(); Willwood Engineering. 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. 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. This ratio is 3.08, perfect for cruisin. GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . The 1967 GTO came in 3 speed Automatic and a 4 Speed manual. Rear End Widths - - Back - - Home > Specs > Rear End Widths : Representative for comparison purposes only. Building an example that truly reflects what was around back then takes a certain passion for correctness. '70's Ford Grenada cars 6" - 8" for large cars, '71 Colt Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". Stop listening to your street rodder buddy and back away from the 9-inch. Plywood pieces work well for shims. xref if you dont have a versailles just a regular 9 inch rear end,, that is also 60 ". 0000001170 00000 n Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Valves. 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. . '67 Chevrolet Six This information will change as further information and corrections become available. 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. . My '64's measure 54.25". The power is transmitted to the road by the rear . And yet, all too often, a beautiful gasser built today is sitting on top of a Ford 9-inch axle. 2/4-door sedan body type. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '70 Dodge, '71-77 Maverick Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. In this 489 case it is 3:91 gears and a 1 7/8 pinion. Find 1967 PONTIAC GTO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing! Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid Mercury Capri/Bobcat, Monte Carlo, Regal, etc. Originally posted by SUNNYD @Mar 22 2007, 10:23 PM~7534589. Here you can see the three white paint splotches identifying the pinion size and the gears. "Stovebolt" Specifications. endstream endobj 29 0 obj<>stream i.e. 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. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. manufactured by Pontiac in United States. to change without notice. 0 You can do this by multiplying by the gear ratio. Newest [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports They are also easily modified to suit any chassis. Picture is from parts book. Additionally, it can be a relatively affordable way to enjoy a day at the track. Re: Rear end interchangability 1965 to 1967 IMPAL. '62 Buick Skylark, '67 Chevrolet Six It'll help you sniff out the right parts and will walk you through building the differential for your gasser project. The following is a general 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. 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? Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. Dec 20, 2007. $5 Off Your $100 Mobile App Purchase . 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. 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. 0000002353 00000 n (painful to me while driving) I am pretty sure that it is the standard BOP 8.2, 10 bolt. Both of these are semi-floating axles. '72-75 Datsun Pickup Why not a Ford? note 64 64 axle is same. '70 Nova 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. '72 Dart The 1' wider that was stated in paul/chuck 's book may have been miss spoke. The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. a Custom Classic Truck" Peterson Publication; June or July 1999, . '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet '72 Chrysler. |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N Professional technical support is available . GM with 7.5 & 7.625 Ring Gears : 1985-1997. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. Q: Why do Pontiac/Olds 9.3 parts cost more than those for a Ford 9-inch? 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? 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. 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. find the 1/2 ton size yoke on a dana 60. 68-74 Nova, 71-73 Mustang/Cougar, 84-95 Corvette, 60-61" 64-69 1/2 ton 2wd Chevy/ Some GMC And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. 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. Engine Numbers. You're building a gasser. 0000004229 00000 n 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. The high-volume production runs of Ford-9 inch components allow them to be relatively inexpensive. 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 have a source for the axleshafts and the difference in the shafts shows this to be true, BUT doesn't show the diff center . The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. The Borg-Warner HD rear end was dropped and replaced with the old 7.625 (7 5/8) inch rear end. The 10-bolt was used in all the low performance applications. Add Width to Last Update: Feb. 24, 2023, 5:12 a.m. 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. 66-69 axle does not include 64 65 . 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. 1967 Pontiac GTO - Wheel & Tire Sizes, PCD, Offset and Rims specs | Wheel-Size.com. Quality and service was excellent. <<3d7f7a4e8421a74f9b85ec848848f3a1>]>> Estimated Lead Time: 5-Days. SKU: CE-GMG7887X. 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 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. My rear is the bolt in axles. As the popularity of the Ford 9-inch increased the P/O 9.3 began to fade from the scene. plate to backing plate. Factory Width. 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. '71 Comet * Pinion #s GM 40 13 == 67 K D. 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? some sources state that the 67 and latter are wider. 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. compensate for drums as follows: 4" - 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 . . I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. '67 Mustang 57" 71-74 V-8 '69 Javelin Six , '70 dodge 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. Calculating the torque multiplication that your axle gears provide is quite easy. 1990 to 1992: 7.625 inch ring gear, 28 spline axle. '67 to '70 Mustang/Cougar 8 cyl. $1,825.00. Chevy 10 Bolt Rear End Widths. %twE_( H@v7H f)p* 0KO|O n>+