Engine Oil GF4
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Engine Oil GF4
I just change the engine oil, which is SpeedMaster SM/GF4 5W30.
Go back to see the owner guide, it only status it is recommend for GF3 oil, so what is the different btw GF4 & GF3 oil and is it harm to Rotaty engine if I use GF4?
Go back to see the owner guide, it only status it is recommend for GF3 oil, so what is the different btw GF4 & GF3 oil and is it harm to Rotaty engine if I use GF4?
It's perfectly fine.
SM has replaced SL rated oil in the USA 'SAE' rating system, it's an updated rating, latest and greatest!.
For Europe/Far East, the GF3 rating has been updated to GF4, same thing - direct replacement for GF3.
SM has replaced SL rated oil in the USA 'SAE' rating system, it's an updated rating, latest and greatest!.
For Europe/Far East, the GF3 rating has been updated to GF4, same thing - direct replacement for GF3.
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