355 Inch Blown Small Block Chevy Dyno Test Westech Westech Performance dyno tests a 355-inch blown small-block Chevy engine build that makes over 600 hp at and a ton of torque across the whole rpm ...
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!
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