Quote:
Originally Posted by Tokay444
You should never idle for that length of time.
Oil pressure is at its lowest at idle, and your oil is cold. That's THE HIGHEST wear and tear mode there is.
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Lowest at idle? The key always is adequate flow at pressure. Even with 0w20, cold pressure at idle is still over 100 PSI. Remember, bypass valve opens at 140.
The highest wear/revolution is cranking at startup. After that, there is absolutely nothing to sweat. Idle all day long.