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Registered
Join Date: Jul 2001
Location: Lawrenceville GA 30045
Posts: 7,455
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I've heard (seen on this forum) going full synthetic oil can cause leaks - if the engine has been fed dino oil previously. Only after rebuilds (new seals) should you consider synthetic. Maybe this is an old-wives tale?
I've recently swapped from a different brand and am using Valvoline VR-1.
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Mark
'83 SC Targa - since 5/5/2001
'06 911 S Aerokit - from 5/2/2016 to 11/14/2018
'11 911 S w/PDK - from 7/2/2021 to ???
Last edited by MBAtarga; 07-22-2020 at 07:16 AM..
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