[michael1]

thanks guys for all your advice,and sorry it took me so long to get back. i had the motor done at a shop here in pa.only 20 miles off dyno.i think i found the problem.seems like all my hyd lifters cannot properly preload builder installed .551 lift cam with stock nonajustable shaft rockers.one bent pushrod and lifters that all seem to be dry.funny can't get builder to call back? thanks any advice on rockers would be helpful.