09-01-2021, 05:45 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
You have a lower compression reading on one cylinder. Did you perform a wet test on that cylinder? How about a leakdown test?
I see insufficient diagnosis before you pulled the engine down, possibly unnecessarily.
I would say you have some valve seal issues, and/or worn guides.
Valve guide lubrication is a "catch 22", no lubrication gives worn guides, some lubrication gives good life, too much contributes to high oil consumption.
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Gary
Gold Certified Holden Technician
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