Originally Posted by 376LS3
I think 550whp is like the minimum most supercharged cars put out. Theres N/A cam cars out there that are over 500whp. Not sure where you have seen 450whp supercharged cars, unless they're pushing 5psi or something. 600whp is easily obtainable on a stock engine with S/C.
Check again. A maggie on an auto car will do 450-470 and 490-500 on a stock car. Whipple just a bit more. Now if you add headers, custom tune, pulley down, etc the numbers go way up but bone stock with the supplied calibration I don't think any of them do 550rwhp.