I've only heard it touted as raising octane. I don't think there's much arguing that-it's pretty much proven fact as far as I know. I used it in the late 90's in a turbo buick I had. I stopped because it was kinda expensive.
Exactly 610 posts on old board, first whacked post in the history of this one!
Funny moparts quote from Waginator:
"*If you want your package lost, like bermuda triangle lost, use DHL (formerly airborne)
*if you want it to get there but destroyed, use UPS."
