Took the plunge - Cummins to Hemi 6.4
After reading posts, reviews, specs, watching videos, and a few test drives, I finally decided to take the plunge. I sold my 2003 Ram 2500 QC LB 4x4 Standard output 5.9 Cummins 5 speed and bought a ne...
Forum Discussion
Bedlam wrote:
Higher octane may allow greater ignition advance which in theory would create more power. Let us know what mileage changes result verses the additional cost of mid-grade gasoline.
Does the 6.4 also have VVT (variable valve timing)?
yes, it has VVT and MDS.
