mtofell1ExplorerMar 02, 2014Ram 6.4 Hemi & Cummins Test DriveI'm currently in an 06 Duramax and it's been a great truck but as the miles tick upward I'm thinking of something new. So, I just drove both the Ram 2500 6.4 and the 2500 Cummins back to back, same...Show More
parkersdadExplorerMar 04, 2014The 660 is from the G56 manual transmission. All of the automatics are 800 and 850
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