This is going to cause some headaches for the forum dwellers who claim that nothing less than rectangle-port heads and a giant cam will make 500 hp on an LS engine. We made nearly 500 with a little ...

FiTech recently introduced a line of affordable and easy-to-install self-tuning induction systems for GM LS engines designed with both the do-it-yourselfer and the professional EFI tuner in mind. The ...

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Judging by horsepower rating alone, the peak in the muscle car wars arrived in 1970 with the Chevrolet Chevelles SS 454 LS6, the mid-size model stuffed to the gunwales with the baddest big-block V8 to ...