Author Topic: Compression check  (Read 2672 times)

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Offline ss/gn

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Re: Compression check
« Reply #15 on: November 07 2018, 06:10:07 AM »
Check the first pulse on the gauge and the 4 th. Compare these and it will tell you where the reading is low. If the first pulse is low and the 4th is high it is probably ring area. If the first pulse is low and same or close to the 4 th it is probably in the valve area (carbon) Then pin point with a leak down test. The first low could have had a leaky inj at shut down etc.
It's just a six cylinder, you can't loose