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OK I'm on my 2nd. tank since the nitrogen tire fill and my mpg is now avg. up of 8/10 mpg. The ride is excellent! Either I'm wishing hard that it made a difference or whatever all I can say so far I recommend it. Keep us posted if anyone else tries it.
Um, 10/10ths would be one gallon. If I where getting 16.2 mpg than I am now averaging 17.0 mpg or 8/10ths of a gallonless per mile of gas used. Still confused? So is my wallet.