Fuel gauges are fairly simple mechanisms. They point to “E” when the tank is nearly empty and “F” when it’s full. At least, until it doesn’t. Then you’re left in the dark, guessing how many miles you ...

See if this sounds familiar—the gas gauge on your hot rod reads full seemingly forever then the needle suddenly plummets to E, usually after you've gone a few miles past an offramp to a convenient gas ...