OK, well I'm one of those guys that kinda bought into the fact that the R/T would gain the extra 10HP or so by using premium gas! I actually used 92 octone for over a year. Anyway, for about the last three weeks or so I've been using 87 octane and noticed the car ran just as good, if not better! Well, I made my monthly trip to the drag strip tonight and ran my best time EVER, on 87 octane! So, any of you guys using more than 87 octane cuz you think it's giving more HP please stop wasting your money! I'm done spending the extra $.20/gallon! By the way, my time was a [email protected] Not as good as Spook's, but it also wasn't 38 degrees outside. I haven't run a 15.65 since April using 92 octane, then I switch to 87 octane and run a 15.65! I could've done better too, but it was raining and I didn't get a chance to make another run.