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  View original topic: 1600 dp compression readings
tizzfishin Sun Apr 22, 2012 5:53 pm

Hi all. I'm planning on doing a minor tune up soon and did a compression check today. 1 and 3 were at 105psi, 2 was 120 and 4 was 100. Should I worry about these readings. The bus runs pretty good. After adjusting the valves I will do another. It's been about 3000 miles since the last valve adjustment. A buddy of mine did it. I'm looking forward to doing it myself. Thank

busdaddy Sun Apr 22, 2012 6:20 pm

If that's before a valve adjustment it isn't bad at all, try it again after the tune up.

SGKent Sun Apr 22, 2012 8:40 pm

X2 that is fine. Make sure the throttle is wide open and the count on the number of pressure cycles the same.



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