what i want-engine to dyno around 400 rwhp -but with a very flat torque curve-with turbo boost very early.engine i have is a 3l stroker with ported n42 head.car has megasquirt efi with 42lb injectors and big intercooler.the cam thats in it now has to go-its to big and boost is late.the turbo is a 60-1/stage 5 t3 .the changes i am thinking of-new ball bearing garret turbo,extrude honed exhaust manifold,custom ground cam.looking for a car that drives like a v8 with good gas mileage on freeway.anybody have a setup like this?