For those of us who are GM performance car and truck enthusiasts, the letters "LS" signify reliable, modern, efficient power. Replacing the venerable small-block Chevy in the late '90s, the LS engine ...

Throwing speed parts at stock engines is about as pure as hot rodding gets. From stacking carburetors on utilitarian flat-head Ford engines to bolting a big blower on a world-weary small-block, the ...

We were looking for a well-used iron-block 6.0 LS engine, and the national chain of LKQ Auto Parts shipped us a very gritty, complete LQ4 LS engine that fit our requirements perfectly. For those of ...

While a brand-new crate motor might be high on the list, the fact is that a wrecking yard buildup might better fit the budget. An honest evaluation is helpful here to get you going on the right track.

Looking at the TorqStorm centrifugal supercharger, we couldn’t help but wonder how much power it was capable of. We knew it was not a race blower, nor was it marketed as one, but having run this ...