if its turning 3200 rpms at 55 mph its not gonna get any gas mi. either. should be around 23-2400 rpms with that gear. lets see.. 1/2 tank of gas (lets say 8 gal) in 30 miles= less than 4 miles to a gal. did i read that right?
you need to write the miles down when you feel-up a few times, so you can get a better reading on your gas miles. might not be as bad as you think.