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The '73 355 small-block gets a bit of extra air from a B&M 144 supercharger cranking out 6 psi of boost. Atop the huffer is a Holley 750 fixed up by JET Performance Fuel Systems. Freshened up by Troy, the super-basic 9.0:1 small-block doesn't have anything you haven't heard of a million times before: a little clean-up port work on the heads, a Comp Cams 268 hydraulic cam, an HEI, Hedman headers, and a Borla exhaust system. Troy estimates about 350 hp, which sounds about right.