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Old 12-22-2011, 03:23 PM   #11 (permalink)
Join Date: Oct 2009
Location: Fort Worth, Texas
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2004 CTD - '04 DODGE RAM 2500 SLT
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Glad you got those links up. Some of the other Cummins-specific information is, as you noted, for big truck operators. There is at least one Cummins calculator about truck spec, use, etc, that always recommends a higher rpm than pickups in general use will need, as with this post by Hohn, a Cummins Engineer.

Another post by that same gentleman goes into some more depth about proper rpm range for fuel economy.


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