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Old 07-28-2014, 10:31 PM
DeliveryValve's Avatar
DeliveryValve DeliveryValve is offline
Chairman of my Benz
 
Join Date: Jun 2006
Location: Central California
Posts: 4,159
The spread of 60 psi is too high between the highest and lowest cylinder. A good compression reading should not vary by more than 10%.

In my opinion, though you have good compression throughout all the cylinders, the high spread could cause the engine to not run smooth.

I would do a valve adjustment and test again. Hopefully the spread will be lower.
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