You must have friends like me > mustang guys... haha yea i made 350 rwhp with just 14psi with the front cat on....you should make in the 410-420 range if not better with the cam gears tuned... my buddies 351 windsor strocked to 410cubes only put down 410rwhp and it runs 10.90 all day and 9.80s on the juice but he cant deal on the highway from any speed without the juice...hope that helps.... Kevin...