18-04-2013, 04:32 PM 
	
	
	
		I use spirit monitor and sometimes check and its always right. I use 4.51 instead of 4.5 for a gallon,
56/4.51 = 12.416851gal
476.2/12.416851 = 38.351109 mpg so already closer to the fueley figure.
	
	
	
56/4.51 = 12.416851gal
476.2/12.416851 = 38.351109 mpg so already closer to the fueley figure.
