I don't no a lot about camshafts and pistons. But i want to no what the best set up is. I dont want to get race fuel, but havce access to 93% at a few gas stations. If i get a exhaust cam should i get a intake cam as well? Also do i have to get a new piston if upgrade to new cams? whats the best compression ratio?? what the benefits, is worth the money??