thats getting 250hp @ 6000 rpm on an SR which has about a 12.5-13:1 air fuel. you can't really get any richer than that with 50lbs base fuel pressure already (raised from 43) frm a 370cc injector

ka's like to be around 11.5-12 also. i wouldnt run it any leaner than 12.0 under anything over 5psi.

just man up and do it right.