Canned Tunes

[Jackpine]

Originally Posted by mtylerb

Ok, you know way too much... ... ... ... Lol, j/k. Anyway, how do I know for sure that I'm running just RON or MON? I made an attempt to look at different gas stations, and I actually did find a few that sold 87 octane gasoline. The specific one I go to, Mohawk, doesn't have 87, just 90 and 94. How do I know for sure what I'm going to be getting, when I'm filling up? Does the gas company just pick and choose what number they want to use or is it government mandated, etc?

Thanks bud!

Wow! That's news! Both octane ratings - I thought Canada was totally RON rated. I don't know of any place that uses only MON. On our pumps here in the States, I've seen the formula (R + M)/2 printed next to the octane number to show that it's an average of the two measuring methods. I haven't looked for it lately, but I think it's still there. Look for something similar on your pumps, especially where you find only 87 and 91.

If gas was 87 octane using only the RON grading method, it would have terrible antiknock properties!

And, I'm simply full of a ton of useless trivia! I'm always amazed by what I DON'T know! (Such as the fact you can find both octane grading methods where you live)!

- Jack