On a stock 2006 F350
18 inch wheels came with 33.4 inch tires. 629 revs per mile
17 inch wheels came with 31. 6 inch tires. 658 revs per mile
This would "GENERALLY" give the mpg advantage to the taller tire, when driving at the same speed, empty, on flat ground.
a good source of tire information is
www.tirerack.com
18 inch wheels came with 33.4 inch tires. 629 revs per mile
17 inch wheels came with 31. 6 inch tires. 658 revs per mile
This would "GENERALLY" give the mpg advantage to the taller tire, when driving at the same speed, empty, on flat ground.
a good source of tire information is
www.tirerack.com
