My dad had a 76 Charger with a 360, all stock. It could get 20 MPG, and with the 25 gallon tank, we could go 500 miles between fill ups. :D
When we used to drive between Chicago and Omaha, it could make it on one full tank of gas. But we could only last half way across Iowa before we had to pee, so we topped off with gas anyway.... :glasses7: