Quote Originally Posted by bulof View Post
It's modified to somewhere between 325 and 350 hp. I personally have gone 185 in at and was only at 4k rpms. Supercharger obviously was full blast. Upped fuel trim under load to reduce knock. And thank you all for advice. Will definately get ac Delco then
Hate to tell you, but supercharger is essentially driven off the crankshaft. At 4k rpms you still have another 2k rpms to go before it's at full blast.