I would think adjusting the gauge to say empty when there's a little gas left in the tank might be practical.

Dean


Dean 'Rustoholic' Meltz
Lurch: 1927 1-Ton Chevy Cattle Truck
Old and ugly is beautiful! -- The Saga
Lurch's Gallery
Justin: 1928 Chevrolet AB Canopy Express
In the Stovebolt Gallery