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 ...

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 ...

In the LS world, the little 4.8L is the Rodney Dangerfield of the bunch. Because of its size it just gets no respect. Even the 5.3L—just 0.5 liters larger—gets all the press, to say nothing of the ...

We know that the LS engine family responds well to changes in cam timing and that, like every engine ever made, the LS also responds favorably to boost. The question isn't whether you can get power ...