91 octane on 93 octane program

[88Racing]

Originally Posted by lbjailer

I returned the truck to stock, the ECT never went above 196. The outside temp was 85. Funny thing is, I first went to level 1 and when I did the RPM and Speed had no display, so I went to stock and it works now. I guess its better to return to stock when changing the tunes from one tune to another tune.

When the Gryphon does funny little quirky things its indicating that there may be a voltage issue.

So check your battery, have it load tested.