i want to buy a computer for my car piggyback or e-manage but not sure which one is the best i currently have spool stage three turbo setup i am going to build my motor pistons, rods, jspec cams, arp head and main studs, bigger injectors, upgraded t3-t4 turbo, take my head to machine shop to get it worked on for port and polish, fuel pump, what else do i need? and what tunning is best? help
(drive)
(drive)