Originally Posted by SamOlson
13 highway is about what we get out of deleted 6.7's.



Pretty good.
I get 13+ from my F-450 now - mostly around town.. On the freeway at 65 it averages 15.. Towing the camper (18k loaded) I average about 9-9.5..

Ex- USN (SS) '66-'69
Pro-Constitution.
LET'S GO BRANDON!!!