It has an after market valve cover on it. Clifford I think? When you did your 4.0 head conversion did you rebuild the entire engine at the same time? Do you agree that if I get at least 125 lbs of compression on each cylinder that it should be good to go for the head swap? How much variance in compression from one cylinder to another is acceptable? I intend to add the Mopar MPI system also.

78 CJ7, 83 wide track axles/Dana 30 Front W/ OX Locker, Model 20 rear w/ one piece shafts(welded tubes)/Detroit Locker, 4.10 gears. 4.5" spring lift with 3/4" shackle lift. 35x12.50 BFG MT, 4.2L, Weber Carb, K&N, T18,Scout Dana 300,Warn 9.5ti