I have a newly installed M-1 on a 7.4 MPI 5#s and I am beginning to see oil coming out of the dip stick opening. It seems to appear above 3#s and may be getting worse. I dump my valve cover breathers into the intake of the M-1. One hose has a pcv valve. I took the breather, w/o the pcv, and brought the hose out to the engine compartment. I think it got worse. This weekend I plan to run a leak down test on each cylinder. Any ideas out there?

Time for a new engine

Sounds like a lot of ring blow by.

For oil to come out of the dipstick the crankcase is building up pressure. The problem might be that you are just not letting the crankcase breath enough. Could be a plugged PVC or filter. If both hoses go into the intake of the M1 then you do not need any pvc valve.

Oil level too high?

Thanks to all for the updates. The oil level is good. The PCV valve seemed good; however their was a little water in the hose. I am going to take the PCV valve out. The compression test shows change from the initial install of the procharger(100hrs ago) 590hr total time. Before I had around 120#s cold in all cylinders. Now I have 120#s in the for corners (1,7,2,8) and a little over 100#s in the center cylinders (3,5,4,6). I am thinking that my stock 7.4 MPI head gaskets might be giving out and possibly leaking to the crank case, thus the pressure. Any body know where the stock gaskets fail?

more then likley rings are giving up the ghost. I would be suprised if the head gaskets are the problem. But I have been wrong before.

Roll up a piece of scotch brite and stick it in your oil fill tube. This will be like adding an extra breather. It will help until you rebuild.