Seals McCarthy, one of Weiand's sales and technical representatives, holds the keys to more mileage, more horsepressure and more sight appeal. I'm race conscious—as in half, three-quarter, full and ...

Take your pick. Whether you choose to let nature fill your engine's cylinders with 14.7 psi of absolute pressure or you cram a bit more in the hole with a blower, Weiand has you covered. For about as ...