Posted 6/9/2018 12:25 (#6802541 - in reply to #6802190) Subject: RE: Lets talk Massey Ferguson......8600 series
They have done many updates on the Challenger. They cut extra vents in the headliner for more return air and I'm not sure what else. Still not perfect. Found that if we don't turn the knob all the way to the coldest setting, it actually works better- but still not perfect.