I have an APEXI SAFC...and im not the expert on fine tuning these things, but i was just wondering if anyone had one installed on there Z and knew what numbers/specs needed to be entered into it?...i have t28 turbos, 550cc injectors, and i do have the EPROM for my computer, and a few other mods! so if there is someone with a similar setup and has this tuner please help me out...shes runnin rich!thanks!!