We test a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. Tests include 1 ¾-inch long tube, 1 7/8-inch long tube, 2-inch long ...
A walkaround of a blown 496-inch big-block Chevy engine warming up on Westech's Superflow 902 dyno.
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