Thread: Rev-X Testing
View Single Post
  #20  
Old Fri, October 7th, 2011, 07:12 PM
2008F450 2008F450 is offline
Whopper Junior
  
Join Date: Jul 2009
Location: joshua tree, california
Posts: 1
2008F450 is on a distinguished road
Default
Any testing with the 6.4? I typically run Lucas oil stabilizer every oil change. I'm always looking for better fuel economy though.