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James Rogers · 04-06-2013, 02:58 PM

How did you do the test? If you didn't prop the throttle open, you could probably get a higher reading with it open. Let the engine turn 4 or more good revs and see what you get.

04-06-2013, 02:58 PM	#2
James Rogers Senior Member Join Date: May 2010 Location: Asheville,NC Posts: 3,104	Re: Compression PSI How did you do the test? If you didn't prop the throttle open, you could probably get a higher reading with it open. Let the engine turn 4 or more good revs and see what you get. __________________ http://www.model-a-ford-4bangers.com/