Re: Rear Main Cap Oil Drain Pipe Dimensions
There doesn't have to be a physical connection. It will draw oil to it simply because it flows so much in the first place. This is why loose rear mains don't leak much when the engine is running but cover the floor when stopped, no suction.
As for the check ball and slope leaks. You don't have to have a serious grade to cause a leak. I have parked cars on as little as a 7% grade and had a serious leak. 7% is almost anywhere you want to park in the western NC hills.
I'll send you a pan gasket and you can cut your tube 1" or just take it out and try it. I bet it leaks.
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