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Old 11-24-2017, 06:24 AM
tuccillo tuccillo is offline
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"X" is the viscosity at 100 C (212 F).
The lower number matters for cold startup, even if it is 70F. Yes, the engine will warm up more quickly in FL then more northern climates and the operating temperature viscosity will then matter.

Quote:
Originally Posted by Wiotte View Post
0W-X will not flow at 0W for long at a 70 deg ambient. It will default to X.


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Last edited by tuccillo; 11-24-2017 at 07:21 AM.