Quote:
Originally Posted by BigAls87Z28
The 6.7 is a bigger version of the 5.9 Cummings. Somewhere in the .8 liters it gained, it went to ****.
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The problem was (to the best of my knowledge) the additional emissions controls that were added at the same time.
Fundamentally the engines are the same, and I know several parts are interchangeable.
- Justin