The Gen III LS1 engine factory-installed in '98-'02 Firebirds, '04 GTOs and the Gen IV LS2 between the fenders of the '05-'06 GTOs are excellent powerplants. Current LS2 engines are rated at 400 hp ...

Time to tear it down! 🔧 In this video, I remove the cylinder heads from my C5 Corvette’s LS1 engine. Whether you're doing a top-end rebuild, chasing a blown gasket, or prepping for upgrades — this ...