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compression too high on 2.9l ?

   
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Old 04-29-2004, 10:13 PM
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compression too high on 2.9l ?
I had a compression test done beofre i bought my 87 ranger with a 1992 2.9 motor in it, the test siad it was 165 is that an indication that something is wrong or is that ok? the motor runs great.
 
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Old 04-29-2004, 10:15 PM
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165 is real good. 120 is getting tired. 150 is common.
 
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Old 04-30-2004, 07:29 PM
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The most important thing is consistency as long as it's above 100.
 
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Old 04-30-2004, 08:10 PM
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Originally Posted by Ken00
The most important thing is consistency as long as it's above 100.
I agree. The compression should be at least 100. 165 is outstanding, unless it is on one cylinder only. They should all be 165 plus or minus 25. In this case, I would guess the others would be less.
 
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