How Much Boost Can a Stock Engine Take? – Video
Find out if you can stuff 25 psi of boost into a cast-piston, stock-crank short-block and have it live! Watch as they strap a ProCharger centrifugal supercharger to a bone-stock Chevy 350 bottom end and keep stepping up the boost to find the breaking point. But there’s a hitch: At the start, they agreed they would let the engine live if it could make 750 hp and survive.