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Re: What’s wrong with this 1964 230ci?
Pressure escaping past the rings enters the crankcase and escapes the crankcase through a leak through the valve cover or oil pan seal, the PCV, or the oil dipstick tube. The small diameter of the dipstick tube makes it easy to feel and hear air flow. That’s assuming air is not escaping through the valves.
I will do the wet test next using some 90 weight oil in the cylinder.
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