RonA
Active member
- Joined
- Feb 26, 2008
- Messages
- 11,082
I just got through going from a 5.9 to a p-pumped 6.7. For daily driving the 6.7 is very nice. For a performance truck, I think I'd stick with a 5.9 just because 6.7 stuff is harder to find and a lot more expensive. 5.9 stuff is everywhere, but 6.7 is rare, and by rare I mean 13year old Oklahoma virgin rare.