Originally Posted by dvw
Go to Harbor freight. Buy a $6 regulator. Plug the dipstick tube and breather. hole. Set the regulator to 5 psi and air up the engine. You may see the oil being forced out right away. If not spray it with soapy water and look for bubbles. It's fool proof to find leaks.
Doug



https://www.harborfreight.com/air-t...regulator-kit-with-dial-gauge-68223.html


Thanks Doug. Doing a "leak down test" was something I had given a thought to last night as I was looking for the culprit. I have a regulator on my compressor. Not sure how accurate it is, but I could crank it way down and give it a go. Where best should I air up the engine? Great tip!

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