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Originally Posted by TheBandit
ive done the plugs, next will be wires, just havent had the time.. mods are LT4 Hotcam 1.6RR, ported intake, GM performance heads.. the car was never tuned after the new motor had been put in, thats why i thought maybe it would effect it and make it run rough. I'll check out PCM's for less. What about madz28? i've heard good things about those also
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madz28 will also get you a good tune. I just have had overwelming success with Bryan Herter at PCM's for less.
Allright, so you had an LT1 with stock internals and a computer that had not been tuned (or tuned for what it was, a stock motor). That motor went, so you got a new motor with the hotcam, heads, new RR, and intake and put that in without getting the PCM re-tuned? If this is the case, then you definatly need a new tune. With that cam, you want to make sure you also have the LT4 knock module (that goes in the PCM).
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95 Z28 M6, 383, D1SC, FMIC, ect., ect., 614 RWHP with the stock PCM and pump gas!
98 Formula WS6 M6