I have a 1971 Chevelle SS that I bought new. It is a 402 big-block, four-speed car with 3.31:1 gears and is stock. I want to freshen the engine up by increasing the compression ratio from 8.5:1 to ...
In our last installment, we visited RaceKrafters Automotive Machine in Lancaster, PA to test the Edelbrock RPM Air-Gap LT1 Intake Manifold on a nearly stock 355cid LT1. Using a much smaller plenum ...
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