Automotive Catch 22 - wtf

You need a plan. Not rough, not high level, not "maybes" or "mights". If it has to drive any distance to the track, that's a handicap for a race oriented car. You can't gear for an rpm at the stripe because you have to gear for the drive there. So the combo will be different. The companies are answering right you correctly. You need to figure out the plan and solidify it before you talk to them. I also think it's a little backwards to build an engine and then the car. Build the car, then the engine.