GreenVette:Tank #5 was 329.5 miles on 14.801 gals = 22.26mpg for a 23.67% increase.Gas price was $3.939-tire pressure reset to 35PSI.Town driving 15% vs over the road 85%.I remember your post on seemingly increased engine performance and more power. I agree and intend on using my last tablet(I have 2 left)To use middle grade gas instead of high test which I have always used.It should be interesting....SD