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What is the correct way to do a compression test?

Posted By oldcarmark 15 Years Ago
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oldcarmark
Posted 15 Years Ago
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Should have asked BEFORE I did one today.Motor warmed up.Choke and throttle wide open. 3-4 compression strokes comes up at 130.Is 3-4 sufficient for an accurate reading? If I let it go 5-6 its about 150. Just wanted to verify that I did not make a mistake with the timing gears when I assembled this motor.I think they are correct with this high a compression reading.

http://forums.y-blocksforever.com/Uploads/Images/a82cee8f-be33-4d66-b65d-fcd8.jpg  http://forums.y-blocksforever.com/uploads/images/339ed844-0bc3-4c73-8368-5dd3.jpg



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