Thread: 305d V6
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Old March 16th, 2020, 09:54 PM
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Cfriis Cfriis is offline
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Join Date: Feb 2020
Location: Uxbridge Mass
Truck: 1962 GMC 1002 step side
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Default 305d V6

Hi all

I have a 1962 step side long box. Had a great weekend getting some work started on it. Until I noticed running a bit rough. Found cylinders 1 and 6 have low compression 30 psi. I pulled the valve covers to see if all parts are moving as they should. I noticed a lack of oil. Seems like it is starving for oil on the top end but Oil pressure gauge is running high??? 60psi. Never run into this before, Looking for some experience hear before I tear this down. Possible main journal blocked? Thanks in advance for any insight.
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