Quote:
Originally Posted by ctrlz
So, are you adding oil every few thousand miles? That looks like about 2 oz.
I change my oil at about 7500 miles. probably 6 oil changes since I bought the car. I am never down on oil. at 2 oz/700 mi I should be down about 22 oz at my oil change. That has not been the case even once.
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I guess we can assume it's not pure crankcase oil, probably a mixture of oil, carbon/ash, condensed water vapor, unspent gasoline, etc. Still, stuff I wouldn't necessarily want ingested back through my intake valves.