Thread: SF versus SL 10W-30 oil.
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Steve Barker Steve Barker is offline
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Default SF versus SL 10W-30 oil.
In that case just use 80w90

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Steve Barker







"Noozer" wrote in message
news:8dJbi.18235$1i1.738@pd7urf3no...

"Steve Barker" wrote in message
...
SL is newer and very much ok where SE or SF is specified. You see, "L"
comes after "E" or "F". The oils are always backwards compatible.

But what if the engine isn't running backwards?






























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