Originally Posted by
CarlC
The shape of our tanks means that the bulk of the fuel is above the 1/2 tank height level. For my Camaro tank, 9/16 on the gauge means 5 gallons left in an 18 gallon tank. The first 13 gallons burned takes a long time, but the last goes pretty quick. I don't mind it this way as long as long as the actual amount in the tank is known. On long drives in the middle of nowhere at night (One Lap of America) we consider 1/2 gauge reading our empty point since it leaves us with an 80-100 mile reserve. With nearly a 300 mile range it's time to stretch our legs anyway.