We are the same way. If you read the pump labels they say minimum XX. If it was really that much lower then any cars with non ECU controlled timing would be grenading all the time. We do have some things that are lower for environmental reasons (i.e. benzene and sulphur) but those do not impact the octane rating. They may be picking up on something else but it is not likely octane levels.


As far as "who knows" goes there will be thousands of people since these things are very closely monitored. Nobody would get away with selling sub rated gas for long.

As being from Canada as well I can tell you it runs great but can be a bit sticky.

I prefer running moose piss. Mileage isn't as good but easier on the injectors.

I know that. I said some people in California use a chart that shows them how much of 100 and 91 octane to mix together to get 93 octane. I didn't say anything about going over 93.

If I was behind a car, I'd rather it was running on maple syrup. Jes sayin...

Run on alcohol, that's "Supreme"!

https://upload.wikimedia.org/wikiped...g_McKenzie.jpg

As Tcoat said, both Canada and the US measure their octane ratings using AKI ((R+M) /2). Other countries use methods like RON and MON.

There's no 93 really in any of CA, I've never seen it in Socal. It sucks because I would like the mpg gain and fewer lost ponies to 91.

I'm just relaying the info I've been getting. Like I said the guys at Drift Office have done extensive testing using Canadian fuel vs American fuel and they find it inferior. For example this one guy in my local club has an FR-S with an Edelbrock supercharger kit and his car tuned and then dynoed at 225whp on Chevron 94 from B.C and around 250whp on Chevron 92 from Washington. These are also a couple of similar topics I've found.

http://www.revscene.net/forums/68154...dien-fuel.html

http://www.e90post.com/forums/showthread.php?t=860059

I never trust a tune.

If someone wants to claim gas is better or worse in an area, please have the gasoline lab results published.

Everything else is indirect and cannot be taken at face value without a large bag of salt.

-alex

Hard to not trust tuning your ECU nowadays since it's the best way to get performance gains out of your mods.

Or you could just put whatever the station has in the car. The thing will run, and you won't kill your car.

That's not my point... ECU tune doesn't tell me what octane the gas has, or whether the station had just a bad batch of gas or whether it was systematic in the entire area.

To use ECU tune as a gauge of how good or bad gas is in an area is akin to me gauging the weather of Alaska by seeing what flies over from Siberia...

-alex

A lawyer made the decision regarding octane, not an engineer.