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Re: Replace, or re-ring?
a plugged PCV system can most definitely cause heavy oil burning. I would suggest, before you do anything, find a valve cover off another 1.5 and install it. When a engine gets that gunked up, the baffle in the valve cover will get clogged also.
Is there oil saturating the intake snorkel? That is another sign of a restricted PCV system.
That makes a lot more sense, IMO, than rings....the level of oil consumption you are discribing is way more than you see with JUST worn out rings. Only way I've ever had pistons consume that much before, was when I broke the ring lands on 2 pistons.
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life begins at 10psi of boost
Three turbo'd motorcycles and counting.
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