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Some of it also depends on what part of the country you live in. If I remember right, regular in Utah is 85 and mid-grade is 87. Where's Shane (Bobbed) he would know for sure.

Soren



In most places in Utah its 87, 89 and 93(i think). Some places have the 85 but I think that has gone away for the most part. I usually run the Premium or Mid grade Depending on the octain (at least 89). I usually try to only use Chevron if I can help it.

Shane http://www.bonnevilleamerica.com/photopost/showgallery.php?cat=500&ppuser=3126