I have searched this site for a long time and have sent e-mails to titan, sp, and supra store trying to find out how much hp/whp can be made with 93 octane and no one can answer me so i became a member in hopes someone can answer me. I can not get race fuel around here (at a gas station or shop)I can get it but i would have to order it online and wait for it. the highest octane around is 93 we dont have 91 its 85,87,and 93. I own 2 supras which i want to drive but they need to be tuned for 93 before i can. I know its not so much about psi for the fuel because my daily driver is a 04 sti running on 93 and its running 34psi(meth, built motor,ect,ect)and the car dynos at 600 whp(593 to be exact) the fuel economy is bad but my s2k was impounded (drifting on public streets and traded paint with a local cop around a corner) I want my supras streetable (the "GO" car has a gt47 turbo and built motor and more-1300+whp, and the "SHOW" car has two gt35 turbos and built motor-800whp.) I want to know how much hp/whp is possible with 93 octane? money is not much of an option. Thank you