General Motors' LS V8 engines are likely among the most well-known and well-regarded V8 engines ever. Not only is it capable of handling huge horsepower, but its popularity also means that there's ...

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 ...

The General Motors 5.7 LS1 engine was a naturally aspirated small-block V8 engine with two valves per cylinder and the traditional pushrod valve gear and two valves per cylinder, a layout that has ...