Im planning on ordering an HKS EVC 6 Boost Control unit for my 91' Z. Ive done some research on the benifits over the past gen. HKS EVC's and I am convinced that the new & improved EVC 6 is definatly the way to go. And although I feel quite comfortable when it comes to electronic set-ups Id like to know if anyone has installed and operated a HKS EVC 6 and how long did it take to set-up the settings properly once installed...Thanks for any pointers.