shift kit [Archive] - Forum


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08-19-2009, 11:22 PM
Does anyone know if they make a shift kit for the grand am gt's. I really interested in finding one.

K WeRd
08-20-2009, 01:12 AM
shift kit? like make it manual? no.

08-20-2009, 06:59 AM
no he means a shift kit to improve shifting qualities and shift points.... and no, there is not one.

You have two options, one is to get a reprogrammed pcm("chip") from mpracing which will increase line pressure and shift points(i think) and give ya a few extra hp while doing it. Option two is to rebuild your transmission and use upgreded parts (clutch plates, valves, etc., just search on beefing up the 4t45e)

08-20-2009, 08:15 AM
Actually i do recall there being a small plug in unit that plugged in between the trans and the trans harness that changed some of that without reprogramming the PCM. don't know how effective it was and don't know if it's still around because reprogramming the PCM works 100% better.