When to change the oil?
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Joined: Mar 2002
Posts: 2,771
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From: Houston, TX
To quote cdelena in another thread:
"Europe uses the RON measurement where in the US it is AKI which is (RON + MON / 2), and it will always be a lower number as the MON test drags down the average."
"Europe uses the RON measurement where in the US it is AKI which is (RON + MON / 2), and it will always be a lower number as the MON test drags down the average."
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