6.7 Cummins Non DEF vs Newer DEF Trucks
Hi, I used to have a 2008 6.7 CTD 4x4 which towed great but the fuel economy sucked and I know many folks had issues with the first era of emmissions "bluetec" trucks. Last week I picked up a new 201...
Forum Discussion
When you say you run with the over drive locked out, what gear are you running?? 5th and 6th are both over drive, 4th is direct.
