Interesting outside temperature window for - 5w30 vs 10w30

Fbird

Veteran Member
Lifetime Gold Member
Feb 12, 2011
6,706
atlanta, ga
interesting results for sure????
5w30 oil is designed to operate at ambient temperatures as low as -30 degrees Celsius (-22 degrees Fahrenheit) – making it a great choice if you live in cold climates such as the Northeastern United States or Canada.

10w30, however, has a smaller temperature window.

It will perform best at temperatures above -18 degrees Celsius (0 degrees Fahrenheit) and below 30 degrees Celsius (86 degrees Fahrenheit).

cf028082-9c32-408b-9922-6c55c0d2dc53_SAE%20chart.jpeg


NOTE: the 5x-30 in SYNTHETIC....the 10w-30 in dinosaur oil!!

better to NOTE: that the synthetics do not out perform LOWER (same as crude) but DO EXTEND in higher heat!
 




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