Im not speaking of hondas but i know alot of all motrs that run as fast as they want to all motor 6.50 in the quarter so all motor is only limited by money in my book . Im talking about average cars anyway not pro ones thats realy a whole other ball game but like i stated before look what skunk2 is running all motor with how much hp and look what it takes to run that turboed there is deffently a difference. Although your right there are alot of things that you can do to take out the factors hurting turbo cars i still beleive it takes more hp to run the same times as all motor. Turbo is cheap hp hell nitrous is even cheaper hp and actualy realy reliable when done right just nobody does it right .