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Old 07-10-2017, 09:01 PM   #7
crawford   crawford is offline
 
Join Date: Jun 2015
Location: Dandridge,tn 37725
Posts: 57
Remember compression will change if valve lash changes. It sort of like you heart and blood pressure reading. If you test compression which is simple keep a record it will tell you the health of the over all of whole engine not just valves but the oil rings and compression rings and so forth. Nothing like the whole picture not a snipped.
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