After a handful of naturally aspirated mods, we just couldn't wait any longer before subjecting Mini Mouse (our 4.8L LR4 test engine) to some positive pressure. Mini Mouse has been built to ...

We took an LS3 block from Summit Racing, added a 3.267-inch stroke crankshaft from a 4.8L, spun it to 8,000, and made 607 hp. The secret to this small-block screamer is the short stroke and good head ...

Now in its third installment, our crate engine alternative has taken a turn toward the serious. Before we get into that, we should probably bring all the newcomers up to speed. We started things out ...

COMP Cams has released a new upgrade camshaft kit designed specifically for iron block General Motors 4.8L LS V8 engines running an aftermarket turbocharged setup. COMP Cams says its new Stage 2 LST ...