Oil Filter gasket repeatedly blows out

[bigjoe]

The old gasket is not still on it. Yes, I lubed the gasket before installing it. I drained all the oil, it was milky colored, there is no coolant leak. My truck sat for about 6 months, when I started it, it blew the the gasket. I replaced the oil filter, refilled the oil (all to manufacturers specs), it blew again. Then I drained the oil and refilled with 3 quarts of Marvels Mystery Fluid and 7 quarts of 15w40 Rotella oil. I removed the glow plugs and cranked the engine and I got 40 lbs of oil pressure. I did this several times. I then replaced the glow plugs, and reconnected the wiring to the injector pump. I started the engine, it started right up and ran good. Two minutes later the oil filter gasket blew out again. HELP with any ideas? It is a '94 7.3 Non-turbo. I have 3 diesel trucks and am not new to diesel mechanical repairs, however this has me stumped.

[RedneckYankee]

Sounds like crankcase may be getting pressurized from blow-by. May be wrong though. Have you tried setting oil cap upside down on oil fill tube to see if it blows off? May have a restriction on your crankcase vent. Just throwing some things out there. Hope you get it figured out.

[bigjoe]

Thanks for the suggestion. I'll try it tomorrow.
Have a good one, Joe

[madpogue]

Might want to move this to the IDI section, as it may be something more common to those engines.

[bigjoe]

Thanks for the help. I pulled the filter off & reseated gasket, & reinstalled. Just call me cheap. Refilled with oil. Left oil cap off & dip stick out. Crossed my fingers started right up. No blow out. Let it warm up. It blew out a lot of condensation out of the exhast. Turned engine off. Replaced the oil cap & dip stick. Restarted & no blow out. I just have to drain thined out oil & filter, & retry. Knock on wood, I think I'll be okay now. By the way I posted up here, for 2 reasons. No one seems to visit the ide site much, & basically it's a 7.3 with out a turbo. Thank you again.

Joe with a 84 6.9, 94 7.3, & 02 7.3