Good point from bad press!
I good start would be to get the service/engine manual/specs for the VQ 3.7 VHR. Tuning is the art & science of any mod. The 370Z has many computers (5 I believe)that talk to one another... so it is not that easy to tune the engine's ECU without effecting other on board computers controlling safety, HVAC, and other operations. I am not sure if the various tuners advertise on this web site and/or other have completely crack the various codes controlling all aspects of the 370Z yet.
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