The highest point on the lite is the A/C housing, so I would add 4-6 inches on top of the 13 foot the specs.
Specs on the lite says 11 foot 11 inch but it rides a little nose high and I have not measured it at the housing but I know it is higher there.
What are the specs on the Montana?
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping