We recently finished a top end refresh on a previously built motor. Greg Good did the heads and cam. In the past I have been amazed at the amount of cylinder pressure and hp numbers from his combinations, compared to others we have used. This Gen 3 has 10.55 to 1 compression. The cam is big, bigger than most run on the street. We ran it on 91 and 93 octane fuel. It made best numbers on the 93, but still had some knock control. I figure that it might make 690whp or so with 100 octane and full timing. We were able to get it tuned well, but have maxed out the stock injectors. The car does have some surging at low speeds because of reversion and the manifold design. With mulitple throttle bodies we could get rid of all that. Thanks again to Greg Good for all is help and the client for trusting us with the build.