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Old 09-22-2017, 08:53 PM   #1
Muel
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Join Date: Jan 2016
Location: Western Australia
Posts: 12
M52B28 Compression test results. Good?

Looking for advice on an engime I'm considering buying.

following numbers are from a hot compression test


cyl1. 165
cyl2. 170
cyl3. 190
cyl4. 175
cyl5. 190
cyl6. 180
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Old 09-23-2017, 06:17 AM   #2
Kershaw
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Join Date: Feb 2010
Location: MD
Posts: 11,207
You generally don't want a greater than 10% spread between compression numbers. So if the high is 190, the low would be 171.
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