How much can you use? Well until it blows... Lol.
But 125-150 seems to be the standard on a stock motor with a good tuneup.
Once you get into 200+ terriotory, youve gotta be very careful on A/F's and reading your plugs. Definitly at that point, would suggest pistons and rods.
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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