Boosting a 455

thecarpetman

New member
I just bought a 71 Riviera. I want to twin turbo the 455 that's in their. However I am not real familiar with the pro's and con's of this engine. I personally have no experience knowledge what so ever about Buick engines. Any help and advice would be greatly appreciated.
 
Forged rods, strong nodular iron crank with huge main journals are the pros. Cast Pistons, thin main webs and oiling issues are the cons. Power above 600 flywheel HP should be accompanied by a a block girdle. Stage One heads have larger valves that are aptly suited to the 455 bore.


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