New Mooney owner here. Love the aircraft. F model. Standard fuel gauges that bounce around in flight and also wing fuel level gauges next to fuel caps. Have been considering a engine monitor even before buying it. On my ferry flight home from TX to FL averaged 9 gph with no monitor. My question for the fuel injected Mooney drivers out there, "Are the fuel savings justifiable for a $7500+ plus install?" Or just a fuel flow gauge like an FS450 has worked for most of you? Would like to hear from those with and without a engine monitor and those that went from none to a monitor for real time comparison. Thank you for any help on the subject.