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Info on GF3/GF4, SL/SM oil tests


Genie47
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http://www.swri.edu/4org/d08/GasTests/home.htm

 

The link shows you how the tests are done to see if the oil qualifies for GF3/GF4, SL or SM. As you read through you will know the temperatures and conditions are actually very tough. 16hr runs, 20hr runs, absurdly high temperatures you will never encounter like 150 deg C.

 

Be assured that the seemingly thin oil you buy at 10W30 can withstand getting you around in Singapore w/o sacrificing protection for fuel economy.

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