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argos
05-28-2007, 09:40 PM
Question that has remained mysterious over so long!

Will putting in higher fuel grade (e.g., 91) improve performance to a regular Mazda 3??

some say, you will get better fuel efficiency, therefore, evens out with the gas price difference between regular and supreme.

What do you think?

I can't seem to find any facts that will bust this myth. Maybe i should turn to the Mythbusters!! :chuckle

majic
05-28-2007, 09:49 PM
this horse has been beaten to death.. please use the search (http://torontomazda3.ca/forum/search.php) feature of the forums..

short answer is .. use what the manual tells you to