I get 16 mpg with my 6.0L witch sucks and new 6.7 are getting 20 to 21 mpg
I think if I just keep it stock I will be fine but I just have had such shity luck with my 06 6.0L
BAHAAAAAAAAAAAAAAAA. 6.7s gets 10 towing 15 cruising.
BAHAAAAAAAAAAAAAAAA. 6.7s gets 10 towing 15 cruising.
Wow now that is saying something 7.3 for 6.7 your brother must really like the new truck