i mailed will overkill a message one time asking if i could keep my factory PCM and he give me a new tuned PCM. I understand core charge but I read recently that Trannyman said tranny's must be same year as the PCM's. So will overkill said that they cannot tune 06+ PCM's, that he'd have to tune me a 04 or 05 PCM. so would another year tuned PCM work on my tranny??
p.s. I have an 06 GT s/c