just replace the stock Pontiac bottle neck 7/16 rocker studs with std BBC 7/16 The RPM range of this cam is 2400 to 2600. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. It has a built transmission that is a 4L60E with a 3500 stall. I'd definitely talk to a cam maker who deals in Pontiacs or go on performance years or another Pontiac forum and look around. MY COLLECTION OF VINTAGE PONTIAC OHC 6 ADVERTISEMENTS AND OTHER RELATED EPHEMERA. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability.
The cams were the same as was everything else in the engines.
The 068 and replacement cams are the best all around cam made for the Pontiac if you want it to run. Now in its 16th season, here's one of the cars that started it all on Street Outlaws: Justin "Big Chief" Shearer's "The Crow," a 1972 Pontiac LeMans from the Nov. 5 Rockers The cams were the same as was everything else in the engines. 0 with ported and polished heads, big cam LS6 intake, long tube headers, and 3 inch exhaust. 625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc Chevy Cavalier 2. Plenty of power and very driveable with a nice rumble out the exhaust. The reason you see 310HP posted for the 73 and 290 for the 74 is simply that it all the specs and literature went to print from Pontiac before the EPA mandated the cam change which brought the net HP to 290. Pontiac is often credited for having introduced the first midsize muscle car, the GTO in 1964. Big block Pontiac crate engines are also available in 428, and 455 versions. These are good for most NA head & cam builds that want to maintain stock compression. Big cam pontiac It also carries the top end power while increasing mid RPM torque and plateauing its curve so more torque is generated over a longer period of RPM.
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