Originally Posted by Artifex

This is just my opinion, but:

Some cars aren't cut out for high power. I think the Prelude is one of them. I'm not knocking all the users who have put in lots of effort into their motors, but having >300whp in an FWD car is a waste of time. RWD/AWD cars are much much better choices for high power.

Keep in mind that to reach 400whp and have the car actually be driveable, you will need a minimum of $10k to pull this off. It will probably be more in the neighborhood of $15k, judging from people who have done it already.