Forum Discussion
Cummins12V98
Mar 18, 2020Explorer III
Me Again wrote:Cummins12V98 wrote:
what would the rpm's be if the RAM had 3.42's at 70?
Probably around 1500. 80 is 1750. I will check the next time I am on Highway 60. Of course the SRW have 33" tires so a duallie will be a little higher with their shorter tires.
I looked at old photos, couldn't find one at 70 but did find this one. :B
Looks like about 7-8 mpg.
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