it depends who you ask and how they study it.

josh my truck will run on 93 good , if i let it cool and then run it , but to go down the highway screaming rpms and then run like four time no.

and is that suppose to be like downfall to me that he runs on 93? tell him bring it out, for running on 93 im surprised he cant drive it anywhere like sean said. i can go to tampa with mine. and i hope he hooks good