Detuning 380hp create engine.

You could add the dual plain intake and advance the cam you have to 102 or 100 and see how it works for you, just a thought. Lots cheaper than screwing in a new cam. Then go over your timing curve, and look at your exhaust to see if there is anything you can do in that department. Check out the chapter on exhaust in HOW TO BUILD HORSEPOWER second edition, by David Vizard