cobbtunedsti
New member
Last summer I made 452 whp and 431tq on cobb's mustang dyno on E85 on just 21psi. Calvin said i would be over 500whp on 24psi for $1600 ( FPR, 2nd Fuel Pump, Labor,Tune) I have a Act Xtss clutch and it would be pushing it.. Do I risk it?? Or spend my money on a 6 puck clutch so I can finally launch it, Tint, springs.. Ext.. (I don't won't a twin plate so don't ask!!!)... The car is 100% stock on the outside.. Advised????