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Gene563 · 10-23-2018, 01:13 PM

If you can get your finger in there, try holding it over the open plug hole while cranking the engine. It should puff your finger off the hole. While not a measurement, it would be a quick indicator if there's compression, or not.

10-23-2018, 01:13 PM	#4
Gene563 Join Date: May 2015 Location: Lanoka Harbor, NJ Posts: 63	If you can get your finger in there, try holding it over the open plug hole while cranking the engine. It should puff your finger off the hole. While not a measurement, it would be a quick indicator if there's compression, or not.
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