pontiac rear end width chart pontiac rear end width chart

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. (Rear Wheel Drive) +20 offset. 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. 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. var t=new Date(); Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. Rear-end questions. Maverick 5 Lug 8", 49-51 Ford, 57-59 Ford 9", 58" 78-88 Mid And even though new internals were available from Fabcraft, the carriers were simply becoming too difficult to find. It is a little better than the Camaro 8.2 10 bolt. 0 GM 10-bolt rear ends have four basic ratio choices: 2.73, 3.08, 3.42, and 3.73 . I just measured my 60' Pontiac and it is the same as my 62' Pontiac. //-->. 66-69 axle does not include 64 65 . Mercury Capri/Bobcat, Monte Carlo, Regal, etc. '67 Chevrolet big car But it's been so long I can't be certain. Popular Automatic Transmission Identification Chart; Rear-End Widths of Classic American Cars; Follow Us on Flipboard . Jeremy. with 10 bolt axle. Once I had determined the desired width with the loose wheels and tape measure I constructed a wood rear end out of a 2x4. Registered: 16 years ago. 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. All correct GM codes and part numbers. 1982-1997. 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Trans Am. 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. 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 . '72-73 Torino, STOCK CENTER TO CENTER SPRING PERCH DISTANCE, '69 Chevrolet 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. . Pontiac labeled theirs Safe-T-Trac while Oldsmobile called it Anti-Slip. '71 - 72 Pinto 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. . compensate for drums as follows: 4" - Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. '67 Chevrolet Six This information will change as further information and corrections become available. The1971-'72 Buick GS/Skylark and Olds Cutlass A-body 8.5 10 bolt did not have C-clip axles. "SPECIAL" CARS - 1938 Pontiac Special six. %%EOF '72 Cricket For die-hard purists, it soon became a difficult proposition to build a worthy P/O 9.3-inch as aftermarket support subsided and the supply of virgin factory parts withered. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. note 64 64 axle is same. 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. 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. 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 current axle needs to be measured to verify width, because it plays an important part in determining what rim backspacing is necessary. 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. Someone may correct me, but as I recall 1959 was the first year for the "Wide Track" Pontiac. '70's Ford Grenada 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 . )EgZ(WLlT!c!r~;+{( BRnpX{n>S;;5q N`+UHWF*FA6*BKm)JBw 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. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass. . 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. 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). getting back to the differential, why bill didn't cover 1956 i don't know, might have just been a typo or overlooked. 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 : The later rear axle requires a wheel with between 5" and 5-1/4" of backspacing, while the earlier axles will only need a wheel with 4-1/2" to 4-3/4" backspacing. Task Force width ranges at this time. 4.24 out of 5 stars. i know in 1956 the pontiac dual range hydra-matic got a different driveshaft yoke. Prices and availability are subject Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. 59" 68-83 Corvette , 67-70 Mustang/Cougar/Fairlane, 60" 55-64 Chevy The following tags will show a 4L80E transmission as an example. 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. Contributing information were Bob Welch, J Approximate rear end widths measured from backing plate to backing plate. '70 Nova The other drawback is that you can only check for clearance at the height the jack stands are set to. GM with 7.5 & 7.625 Ring Gears : 1985-1997. 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 . For instance, if both the engine and transmission deliver up to 100 ft./lbs. 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. 18 0 obj<> endobj Other changes were made to the limited-slip carrier, but strength was not adversely affected. Dick this in no way reflects upon your statement but you make an excelent point when you stated " I read enough times that". 0000001170 00000 n Building an example that truly reflects what was around back then takes a certain passion for correctness. pontiac rear end decoder year ratio open posi model notes: . 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. Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188. Car, 67-69 Camaro, 64-67 Chevelle, The '70 to '81 Camaro rear end is 61 inches. 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 . Several years later, the popularity of this almost deceased differential was rapidly swelling. (Dart/Duster) with V8&3/4 axle, Table taken from "How to Build Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Underneath the back end of an overwhelming majority of gassers was a 1957-'64 Pontiac/Oldsmobile 9.3-inch differential. $1,825.00. Pontiacs had 1.75-inch-wide drums in 1957-58 while Olds used 2-inch from 1959-on, both used 2-inch brakes. May 7, 2009. The Firebird rear end would have been a BOP 8.2 10 bolt. Click the above picture to view full size. Below matches. So what we are left with is this: A fully capable, period-correct, brute of a differential with complete aftermarket support. Buick and Pontiac 10-bolt rear ends used flange-retained axles instead of the C-clip retained axles like those on Chevrolet rears. also note on the A4's (auto's) shifter console if the gear selector for 1 is missing. As a result, many tribute cars and gasser-inspired builds had to stray from correctness. Compared side-by-side with the Chrysler, it boasted stronger gears and larger bearings. 2/4-door sedan body type. $5 Off Your $100 Mobile App Purchase . 5E med-duty 4-pinion. 0000000911 00000 n but the body with is 1" wider on 66-67. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. If you noticed the axles are missing you would be correct. Contributing information were Bob Welch, J Forbes and various locations throughout the Web and Automotive Magazines. There have been non C-clip rearends found in Chevelle wagons, and some El Caminos through at least 1974. Year. /** * Error Protection API: WP_Paused_Extensions_Storage class * * @package * @since 5.2.0 */ /** * Core class used for storing paused extensions. The P/O rearend and parts were getting harder to find and there were more Ford 9-inchers being made every day. a Custom Classic Truck" Peterson Publication; June or July 1999,