I think Tony is saying:

Empty your tank.. pump gas, and see that you got... 11.29 (example) gallons.

THEN drive until you decide to refill and look at mileage. Calculate using those figures.

Ray

'99 CSVT - Silver #222/276 In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.