Thread: Motor flush on oil change requires cold engine?
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VenezianBlau 87 VenezianBlau 87 is offline
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Join Date: Jun 2001
Location: Northeast GA
Posts: 2,059
Multi vis oil is thinner when cold, "W" winter at 0 deg. F; thicker when at 212 deg. F. (the second number---such as with 5W-30)
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Bob S.
'87 911 ("Hardtop" per neighbor)
Old 09-19-2022, 06:19 AM
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