I always like to be conservative, We will no a lot more once I get my car put together and on the rollers, Mopar muscle got 700hp out of a 360 but it took 14 pounds of procharger $2600 Edelbrock rpms $2200 and a $800 worth of holley carb a csu hat $260 and a bunch of stuff they didn't mention. That's a lot more than I am willing to spend. For that kind of money build a 400 something inch small block spin it to 7500 rpm and make that kind of power. I want this to be cheap thrills for everyone that has aluminum head money :)