Glad you brought this back up as I need to report on my experiment. I ran 2 full tanks in my BB454 crew cab chevy. One at 2oz per 10 gal., and one at 4oz per 10gal. At 7000 lbs, I am not going to notice a couple hp difference but this was a mpg test as was originally brought up. I saw no noticeable difference in mpg between the tanks with and without. 10mpg either way. I have thought about doubling the amount, but have not done that yet. It is my opinion it will take alot more to notice a difference good or bad. I saw no changes in driving characteristics, idling characteristics, temp changes, nothing in 600 miles of driving.
Mike
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Mike Redpath
Musclerodz & Customz
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