GM has turned out a ton of variations of their venerable LS series of engines, and one block that's easy to find and fairly cheap to buy is the 6.0L iron version. These blocks are perfect for boring ...

For many GMHTP readers, the object of desire is none other than a high-power LS V-8 to shove under the hood of his or her GM muscle machine. But until now, many budgets have only allowed the likes of ...

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 ...

Westech Performance dyno tests a 383-inch stroker budget small-block pump-gas engine topped with three two-barrel Rochester carbs on a custom tunnel ram and makes over 400 hp!