Can it hurt an engine's performance by having to big of a throttle body?

brewnog

Well, if it's too big, you can lose the ability to control inlet manifold pressure well enough, and therefore engine control. But performance shouldn't be an issue provided you can get enough fuel in too.

brewnog Recognitions: Gold Member Science Advisor	Well, if it's too big, you can lose the ability to control inlet manifold pressure well enough, and therefore engine control. But performance shouldn't be an issue provided you can get enough fuel in too.