I recently converted my 97 Cobra with a Kenne Bell over to e85 and I am getting curious about the idea of starting to tune the car myself. After a recently failed (and very expensive) tuning session with a well know shop i really started warming up to the idea of tuning my own car. My question is how difficult is it really to learn? I have read plenty of information on this forum as well as others and have heard plenty of guys talk about doing it but very few seem to actually follow thru. I currently have an SCT x4 handheld but after hearing some of the drawbacks of this software in another thread it has made me start wondering if there is a better option. I have heard a few guys reference the quarter horse and that sounds like a good option but how difficult is it to learn the software associated with that? Any help anyone can offer is greatly appreciated.