When dealing with boost, a stronger block is always a good plan, so this build started with a Donovan aluminum HC 400 block. Best of all this priority-main block tips the scales at a scant 100 pounds!
GM divisions Pontiac and Chevrolet each produced 400 cubic-inch small-block V8s with similar bore-to-stroke ratios. Ford made one as well, but its block was very different from Chevy's in nearly every ...