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Mods are offroad h-pipe, jlt cold air, 15% crank pulley, 18lbs, Lund tune-car made 656whp 688wtq on a Dynojet. Are those good numbers because we were thinking it would be in the 700ish area ? If so what's the next best bang for the buck-an upper pulley or ? and does it need a Boost a pump if we want to push it anymore ? Btw this is not my car, my buddy isn't on Forums. Thanks Marty
