You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
Actually, revving before the lights go green doesn't do anything. The rocket start is triggered by stepping on the gas the moment the startlight turns green.
Also it's much easier to just hit the gas the moment you see the AI's rocket start flashes; I use this method and never failed once (which is crucial for the latter half of events; every AI driver WILL rocket start without fail)