Quote:
Originally Posted by firstdiesel
Okay good, but then what is my next step to figuring out why I am using so much oil? I drive it a lot and the oil is a pretty hefty expense. That is the main reason that I haven't switched to synthetic, it would be WAY to expensive. For years I have used Rotella.
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Does your exhaust exhibit signs of oil burning? Mine dribbles more than it burns. I have traced it to bad oil return seals from the oil/air separator. It seems to leak more now that I washed the engine and got rid of the dirt that helpd to seal the leak.
You do not have to have blowby to have oil burning. You can have valve guides and seals leaking, or the wiper rings getting either weak, or carbon choked, preventing proper expansion, contraction. Being that you do not have the oil cap dancing, I think your compression should be fine.
Have you perfomed a compression and/or leakdown test?