Quote Originally Posted by burnout1969 View Post
They are Isky lifters. Going to completely tear it down to replace all bearings and check pistons and skirts like you said. I do not know the lift of the cam so I am going to have it measured a new custom grind done with new springs.
I bought this motor used so my fault for not going through it and freshening it up before racing it.
Pat what is a 903 or 931 lifter?
thats the size of the lifter body . crowers hippo lifters or PBM /Ersons have pin oiling or the isky red zone