Originally Posted by CmRam
I'm sure I will, modding is so addicting and fun especially after this first time at the track like you said. As for the 93 tune, I had it loaded a while ago with 93 octane, yet my truck didn't seem to like it at times actually felt a little slower than 91 tune, so I've just left it on 91 tune,Maybe i had a case of spark knock.
You really do need good fuel to run a 93 tune, nice to have 1 grade higher than your tune to prevent knock.
I have 94 octane available locally, and Data logged a few runs with my Diablo Trinity and I never see any LT Knock Retard, and only 0.5 degrees ST KR at the worst.