What octane level was the standard for premium in 1970?
morgan
Joined: Mar 2011
Posts: 1,925
From: CT
Connoisseur d'Junque
Joined: Sep 2010
Posts: 21,183
From: The Hudson Valley
Capstone, where do you live?!?
This is 98AKI octane gasoline, equivalent to about 103RON octane, and would be fine for any of our high compression cars.
Is this gas at a racetrack, marina, or airport?
And, to answer your question, this is RON+MON/2 gasoline, just like it says on the label.
- Eric
This is 98AKI octane gasoline, equivalent to about 103RON octane, and would be fine for any of our high compression cars.
Is this gas at a racetrack, marina, or airport?
And, to answer your question, this is RON+MON/2 gasoline, just like it says on the label.
- Eric
Connoisseur d'Junque
Joined: Sep 2010
Posts: 21,183
From: The Hudson Valley
MON, to my knowledge, was never used on its own as a publicized octane rating.
RON was used in the US through the seventies and is still used in Europe.
AKI (the average of RON and MON) is used today in North America.
- Eric
RON was used in the US through the seventies and is still used in Europe.
AKI (the average of RON and MON) is used today in North America.
- Eric
Connoisseur d'Junque
Joined: Sep 2010
Posts: 21,183
From: The Hudson Valley
The RON and MON numbers for any given sample of gas will vary with respect to one another.
One blend may have a higher MON, one from another company might have a higher RON.
So, it could be 93 and 103, but it could also be 91 and 104, or 94 and 102.
But, yes, in general, the two should be about 93 and 103.
- Eric
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