For years LT1 enthusiasts have been running well into the nines with factory LT1 and LT4 intake manifolds. With some porting the factory castings have proven capable competitors, even on big-cube and ...
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 ...
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