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ambient temp range for 15w-40 use

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Old Aug 28, 2002 | 03:07 PM
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ambient temp range for 15w-40 use

What is the accepted temp range for 15w-40 oil use - I cannot seem to find a very consistent chart anywhere...

This would be in a gas engine with no block heater.

thanks,

Matt
 
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Old Aug 28, 2002 | 07:00 PM
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ambient temp range for 15w-40 use

I've seen several charts and owner's manuals that list the temperature range of 15w40 from +5* to 120*.

Possibly hydroprocessed petroleum oil and certainly synthetic oil would lower the low temperature range.

YMMV
 
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Old Aug 28, 2002 | 10:37 PM
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ambient temp range for 15w-40 use

 
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