Crankcase Ventilation

Who saids ALL the rings are leaking? Just one cylinder can cause it. It HAS to be "blow by".

They do make wet sump vacuum pumps. Those can and do work good on street motors-but they are market as "race only" to keep the EPA happy :cheers:

I had a old motor years ago, it had broken rings, burning oil. Some spark plugs were always dirty, even when they had just a few hundred miles on them and the motor seem to be running smooth. I upgraded my ignition to a MSD 7al with a HVC coil. My spark plugs then stayed clean, even with the burning oil, and it smoked when first started after sitting for awhile. Just looking at the plugs might not tell you if its burning oil.

Do a leak down test, even a compression test. You may be surprise what you find.