Feb 15, 2009 #1 P penny Member Joined May 13, 2008 Messages 110 Reaction score 0 Points 16 Just wondering what rpm I should shift up to maximize gas milage. I have herd as low as 3500 and as high as redline. It is a 2004 Mazda rx8
Just wondering what rpm I should shift up to maximize gas milage. I have herd as low as 3500 and as high as redline. It is a 2004 Mazda rx8