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Old 11-18-2007, 06:22 PM   #1 (permalink)
Formula_Canuk
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Compression

Hey guys, I was just getting my sled ready for this season and did a compression test. I did it warm with the throttle wide open and got 149pis on one cylinder, and 145 on the other. Isn't that high for my sled? I thought it should be around 125psi?
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Old 11-18-2007, 06:25 PM   #2 (permalink)
upersleder
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re-do it cold and see what it is. its good, thats for sure, very even.
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Old 11-18-2007, 07:22 PM   #3 (permalink)
Formula_Canuk
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Ok thanks I was also suprised by the numbers, especially since it has 4000miles and is untouched
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Old 11-18-2007, 09:44 PM   #4 (permalink)
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thats damn good your compression should be higher with a cold motor your sleds good togo 4 another season!!
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Old 11-18-2007, 10:44 PM   #5 (permalink)
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125 is a god minimum average..
Many run 135, 140, 150 and even 160 psi.
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