You can make mistakes if you're not careful so you have to refrain from making huge changes all at once. You will have to datalog until your are blue in the face and tweak your tune to perfect it.
Regardless of whether you get a Diablo, Sniper, TwEECer, or SCT system (and I think HPTuning also offers tuning software), you MUST be prepared to invest time and effort into learning. I know how to set the revlimitneutral0on(going to set to. Hardware: -SCT xcal2 Pro Racer Package (PRP) -wideband 02 (2 most popular described below) Innovate Gauge is really nice and ties right up to the LC1. It works great hold the clutch in with throttle wide open and doesnt go above 3000-3500rpms what ever I set it at.But when I shift it activates the limit again. Custom tuning makes the most of your mods, imo. Those who have the SCT Pro Racer How do I set up the two step launch. Pricey? Not really when you consider that the engine is completely dependent on the tune and you have control of almost everything there is to adjust. The handheld is VIN-locked to your car (until you reset it to stock and unlock it). It has a hardware dongle so you can use Advantage on any computer. The approximate price is $375 for the XCalibrator3 and another $300 for the Advantage program. SCT has a forum for PRPers, too, where you will find a treasure trove of good info and you can get your tuning questions answered. I have been using Advantage (that's the program) and the XCal for years and it is all good.
