Man those numbers are low geez I wonder why? I put down around 400-410@15psi a while back?? A dyno chart might help piece the puzzle together.Your mod list looks like it should produce some nice #'s.
Might have washed the bores and destroyed the rings....
Is there any blowby, dipstick popping up?
Man those numbers are low geez I wonder why? I put down around 400-410@15psi a while back??
Possibly problems with the VPC, or ECU pulling timing.. any codes?