Simply put, an engine is a pump. By increasing its ability to ingest fuel and air, convert it to energy, and evacuate the remains, it will make more horsepower. We set out to show just what you can ...

While enthusiasts can comprehend the fact that the camshaft is responsible for opening and closing the intake and exhaust valves on an LS motor, relating these events to crank position, engine ...

The history of the LS engine which includes the LS1/LS6, LS2, LS3/L99, LS4, LS7, LS9 and the LSA. LS heritageThe General Motors engine family commonly called the LS series debuted in the then-new1997 ...

If you've been reading GMHTP lately, you know that the new L92 heads are superior to stock LS1 and LS2 heads. But what happens when you put them to task against one of the best 15-degree heads on the ...