Hello Everyone, I am new to this forum... I have a question on an engine combo. I have a 402 cubic inch BBC, it has H.O. 454 heads, compression is in the 7:1 range, cam is around a .550 lift, and it has a 6-71 blower pushing around 7lbs of boost, it is running two holley 750's. What kind of horsepower #'s should I see with this setup. Sorry I dont have more info on the engine. I used to have a desktop dyno thing... but it dosnt account for superchargers... etc.