Pontiac Firebirds And GTO's Improved - More Power, Less Wrenching LS1-LS2 Dyno Tuning - Pontiac Tech
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 ...
Discover how the LS1 became a lightweight, swap-friendly V8 icon, from its C5 Corvette debut to HSV power upgrades, and learn ...
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