pontiac rear end width chart

0000006068 00000 n 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 . '69 Nova with 10 bolt axle. 66-69 axle does not include 64 65 . GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . I did a quick google search for 65 impala rear end, and 65-66 impala rear end came up a lot. 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. Mavericks 8", All '75-77 6's & 8's Beginning with a new line of U.S.-made gearsets in desirable ratios, Fabcraft rekindled the flickering flame of the 9.3-inch. 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. Rear Suspension Width (Flange to Flange), Donor Vehicles Front and Rear Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. The power is transmitted to the road by the rear . var u='http://50chevy.freeservers.com/cgi-bin/sitestats.gif?p='+escape(location.href)+';r='+escape(document.referrer)+';t='+t.getTime(); 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. May 7, 2009. Engine Numbers. . I have heard that a 1st gen Pontiac Firebird rear is wider, but I am not sure by how much. There is also a yellow stamp 10 22 which is the . the versailles / granada rear ends from flange to flange is 58.5". i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. 6 lug rear end 12 bolt Coil spring set up Possible gear ratio's 3.70. The 78-88 mid size GM cars use a 7.5" 10 bolt, which is about 58/5" wide. Approximate rear end widths measured from backing plate to backing plate. HVMo0WJ~H|V`-e)6`!$)=-~6x@h1|o '69 Javelin Six , '70 dodge Its pretty easy to find a good one if you are in an area with a few junkyards. Dec 26, 2008. Many Ford 9-inch parts are made offshore; they have smaller bearings and smaller diameter gears requiring less material. It has the 4.75" bolt pattern, and ratios are usually 3.55-3.73, but sometimes you'll find a 3.36. 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: They came in all fullsize Pontiacs and Oldsmobiles from 1957-64. If you're building a period-correct car, especially a Gasser, they are undoubtedly the perfect rearend for today. Stop listening to your street rodder buddy and back away from the 9-inch. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. Check our the Chevy rear end gear ratio chart above to help you identify the correct gear to use. Task Force width ranges at this time. 1957-58 are 29-spline and 1959-1964 are 31 spline. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. 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. '72 Chrysler. 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 . Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. This ratio is 3.08, perfect for cruisin. Floor jack permits you to raise and lower wheels to check for clearance. )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. '72 Cougar While the Ford 9-inch is the perceived benchmark of popular rearends today, in stock form the edge would go to the Pontiac/Olds. '69 Cougar, '71 -73 Nova 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. & Conditions, Ford Mustang II/Pinto & Mercury Capri/Bobcat, Monte Carlo, Regal, etc. My 69 gto convert., purchased within the last year has a painful 2.56 rear gear. Its role in drag racing was limited to primarily Stock, Super Stock, and Factory Experimental Fords. Discussion in 'Traditional Hot Rods' started by Ruiner, Sep 4, 2006. The renewed interest in the P/O 9.3-inch generated high demand for any limited-slip units that were left. Drag Racing 101 ~ Everything You Need to Know! 5E med-duty 4-pinion. They were tough with 9.3-inch ring gears, big pinion shafts, and large-diameter bearings and tough axles. In 1958 a good thing got better when limited-slip differentials were offered. to change without notice. 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 Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt rear-end housings. But it's been so long I can't be certain. a Custom Classic Truck" Peterson Publication; June or July 1999, . '69 Oldsmobile 88, '72 Chrysler Terms of Service. ZE reg-duty / 4E med-duty 4-pinion. The following list |;|tB70t:`!t;?Yp?o^16Y*Ra(k ;6te64^bv n+;:G57@hbM_5 N My '64's measure 54.25". I'm not sure of the 66-69 axle does not include 64 65 . This reduced weight and eliminated the stock suspension, producing a spacious engine bay that eagerly accepted the chosen powerplant. Valves. '73 Ventura, '73 Mustang, '36 Plymouth, '54-56 Ford Pickup Rear-end questions. So why did the Ford 9-inch become the premier differential of modern day hot rodding? But the components should at least be grounded in the era. 71- Newer 2wd trucks use a 5 on 5 lug pattern Suspension Width (Flange to Flange), Ford Mustang II/Pinto & Displays PONTIAC bolt patterns, wheel sizes and dimensions by model or view all matching vehicles that will swap or interchange with PONTIAC wheels. It has an M-21 four speed and I am ready to upgrade the rear diff. 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. "+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. In head/2 per cylinder. Post: rear end width chart (Topic#173541) greg pharr Contributor Posts: 897 Loc: North Mississippi Reg: 07-09-03. Bigger engines introduced in both Oldsmobiles and Pontiacs for 1959 prompted the second generation of these rearends with 31-spline axles, which were reportedly 22 percent stronger than the previously used 29-spline shafts. According to published lists, the 55-64 Chevrolet rear end width is 60" from wheel mount surface to wheel mount surface. Rear-end track width measurements of classic American cars including Chevrolet, Ford, and Mopar vehicle rear axle widths. '67 to '70 Mustang/Cougar 8 cyl. . 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. cars 6" - 8" for large cars, '71 Colt I came up with a cheap simple method to confirm the results of the measurement taken with the loose wheels. The 8.2" BOP (Buick, Oldsmobile, Pontiac) model is slightly different in that it uses pressed on axle bearings and instead of c-clips . It has been my experience that the 66 up axle is longer. but the body with is 1" wider on 66-67. 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 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. Approximate rear end widths measured from backing plate to backing plate. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. Rear axle flange to flange is supposedly wider than the 68-72 AND the 78-88 GM A and G body cars. 20 0 obj<>stream Today finding a P/O 9.3 may take some searching and it's helpful to know what to look for. Hot Rod Blueprints, Drawings and Tech Tips For The Hot Rod Enthusiast!. My rear is the bolt in axles. Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. Several years later, the popularity of this almost deceased differential was rapidly swelling. 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. 57" 71-74 V-8 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. 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. RWD (rear-wheel drive), automatic 4-speed gearbox. 1985 to 1989: 7.625 inch ring gear, 26 spline axle. The 8.75-inch had slightly larger, 30-spline axleshafts compared to the P/O's 29-spline shafts; but by 1959, big 31-spline factory shafts were standard, and aftermarket shafts for the 9.3-inch eliminated any supposed shortcomings. The Pontiac/Oldsmobile 9.3-inch is your axle. Rim Width Measure from the inside of the outer lip at the bead seating point to the inner lip. Ironically the heavy-duty nature of the 9.3 worked against it and played a part in its demise. 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. Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. But when it came to rearends, the overwhelming favorites were those our of '57-64 Pontiacs and Oldsmobiles. The new 9.3-inch provided outstanding durability when subjected to abuse from all classes of race cars, including Top Fuel. To say I was disappointed by the service provided by this company would be an understatement. GMC V-6 The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project. 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. ). xb```"~> !%1#XY} P A1@G7L/^nkX,i{j^vL@l ` n Axle Images: Axle Details. @`AWG^8J>4j|^Vk@oXq7@@/9ep 1958-1970 Full size Chevy rear differential identification chart. Lincoln Versailles, Regal with 10 bolt axle, S-10 P.U., 65-67 Nova. These smaller volumes and domestic content result in slightly higher prices. candidate to replace the torque tube rear end or just get a better set of gears Registered: 16 years ago. pontiac rear end width chart. A solid front axle was found under the front of nearly every gasser. NFTs Simplified > Uncategorized > pontiac rear end width chart. '72 Cougar, '74 Pontiac '49 Plymouth, '61 Chevrolet Impala '65 Cadillac, '66 Buick Wildcat '66-67 Chevrolet Big Car, '72 Charger '69 Oldsmobile 88, '72 Chrysler 60" 60's GMC and '65 Cadillac, '66 Buick Wildcat Here you can see the three white paint splotches identifying the pinion size and the gears. Diagram. * Pinion #s GM 40 13 == 67 K D. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. What is the width of a 1959 pontiac rear end? GU5 - 3.23's Optional auto trans gear ratio. Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. SKU: CE-GMG7887X. There are three different third-member castings, but all will install into any '57-'64 Pontiac/Olds housing. 5" for small cars 5" - 6" for intermediate I believe the width, outside axle flange to outside axle flange, is 64 inches. Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. I'm not sure of the Task Force width ranges at this time.

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