i have 54 3104 with a later head also have outside manifold mounted oil filter i plugged the the tube in side the pushrod side of the block and removed a plug in the head on the pushrod side and ran a line to the head with a tee in the filter line. i also have a melling oil pump with 45 psi at speed 30 at idle with the valve cover off oil comes out the rockers used to burn em up before i did this also have viton valve seals on the guides.rods at .oo1" cl mains shimmed to .0015" also put a hydro cam and lifters in.sounds like a sewin machine runnin.no oil consumption yet.
