For a better experience, please enable JavaScript in your browser before proceeding. '73 Ventura, '65 Ram American Many aftermarket options exist with all of the appropriate mount points. used a 3.21 Dana 44 used a standard chevy 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. Chrysler sent out the last of its 8.75-inch rearends in the early '70s. Professional technical support is available . 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. In 1958 a good thing got better when limited-slip differentials were offered. '69 Dodge Van, '71 Torino I placed the order with Speedway motors in late July for my rear end housing and Currie axles. The intake valve size increased to 2.11" and the exhaust valve increased to 1.77"in size from the previous model. Good third-member cores are also relatively easy to come by, as many are now being saved from recyclers by fellow enthusiasts. jack39rdstr # 169783 04/02/10 02:03 PM. 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. list of rear ends and their dimensions to help narrow the search for a possible Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. I just measured my 60' Pontiac and it is the same as my 62' Pontiac. "SPECIAL" CARS - 1938 Pontiac Special six. Jeremy. You must log in or register to reply here. The Firebird rear end would have been a BOP 8.2 10 bolt. Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". 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. The Trophy Track's strengthened bearing hubs even use larger-than-stock bearings, the same ones found on spools. Plywood pieces work well for shims. hi don, there is no major difference in the pontiac differential from 1949 to 1956 other than rear brake related parts. 0000009416 00000 n note 64 64 axle is same. 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. Approximate rear end widths measured from backing plate to backing plate. but the body with is 1" wider on 66-67. Re: Rear end interchangability 1965 to 1967 IMPAL. But the components should at least be grounded in the era. 0000000016 00000 n Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. We carry everything from the 7.25" IFS front end parts, to the large 11.5" rear end parts for 1-ton trucks.We make it easy to verify your exact rear end by providing specs and year, make, and model applications for . var t=new Date(); GMC V-6 used a 3.21 Dana 44 used a standard chevy 1310 yoke, Dana 60 used the heavy duty yoke which takes the larger 1350 yoke. Diagram. 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. Source for tire and wheel application fitment data. I've read enough times that '64/'65 are 54.25" and '66's are an inch wider that I believe it. a Custom Classic Truck" Peterson Publication; June or July 1999,