I bought a stage 1 zzp tune after installation my car feels slower I do not have the bottom in punch like I did with my OEM PCM thinking about changing it back out I have a 2004 Pontiac Grand Prix GTP comp G
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07-11-2020
I bought a stage 1 zzp tune after installation my car feels slower I do not have the bottom in punch like I did with my OEM PCM thinking about changing it back out I have a 2004 Pontiac Grand Prix GTP comp G
07-13-2020
so...is there a question here? you installed a "stage 1 PCM" and you're not happy with it.
Have you done any of the supporting mods like CAI, pulley, exhaust?
did you allow the new PCM to learn and adapt its trans shifting before going out and thrashing on it?
did you do a crankshaft position learn to optimize timing?
07-14-2020
I do have a Cai I do have colder plugs 3 inch downpipe and I couldn't get a smaller pulley with the stage 1 tune but it comes with it stage 2 also I did let the PCM learn the car I drove it calmly for a couple days maybe it's just me
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