6.7 Cummins vs 6.6 Duramax
As someone who knows next to nothing about Diesel engines, I am trying to figure out the strengths and weaknesses of these to. Any opinions would be appreciated.
Forum Discussion
Compare the redlines. I tow at 1,750 rpm at 60 in 6th and when climbing a grade maxing out a gear I am at 2,800-3,000. My redline starts around 3k.
