Chevy Small Block Dyno Tests - Old School Meets New
To achieve the compression we were looking for, the block was decked 0.0020 inch and flat-top pistons were used to create a zero piston deck height. We came in a smidgen above the limit at 11.1:1. Nakawatase used a bit of racer savvy to maximize the potential of our 406, deburring the sharp edges on the pistons to help minimize hot spots, and thereby detonation. Did it work? Given that our optimum total timing was 39 degrees, we'd say it didn't hurt.
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