Ok guys I have TPIS stage 2 ported heads/cam and Pro Auto Tech tuning. I want to add a TnT wet 75-150 nitrous kit. TPIS tells me I don't have to change injectors because its a wet shot. I asked them about re-tuning the PCM and they said no; that if I did that I would be de-tuning the car. They said I need some way to only retard the timing a few degrees only while spraying the juice. Please help I am really confused now. I am trying to reach Pro Auto Tech but having trouble doing so right now!


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Colder Plugs, and your set to go.. Unless they put massive amounts of timing in.. You should be just fine..

Dave