ok, but are you able to use it just for the 4 primary injectors without having secondary injectors? Also, I've read that it is good to find someone that has the same setup I'm beginning with, so that I can start off tuning somewhere in the general area of how my car will run. Are there any suggestions anyone has on what is the best version used on 2gnt (Msns, ms v. 2.2, ms vs.3)? I really appreciate the help you are giving me so I can start out on this project on the right foot. Thanks....