Posted 11/20/2018 08:34 (#7116914 - in reply to #7116181) Subject: RE: Challenger MT865E fuel use
I think you will find the bottom 1/2 of the tank has more gallons in it the the top half. I'll bet if you let it get down to 1/4 tank it will stay there a long time before you get the EMPTY. It's the way the tanks are shaped and the additional tank has no sender on it.