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01-18-2015, 05:45 AM
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#7 |
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Registered User
Join Date: May 2011
Location: Goliad, TX
Posts: 672
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Re: 6.2 Diesel Cruising RPM's
I've got the same setup as you and best fuel economy is 55 mph. 65 mph is the point when fuel economy starts to really plunge. The lowest I have ever got was 17 mph driving between 85 and 95 mph. About 10O mph is terminal velocity on one of these things.
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1990 ¾ ton 4x4 Chevy Suburban -Cummins Diesel - 12 valve - factory rebuilt -6 speed bullet proof manual transmission - NV5600 -Gear Vendors Overdrive - HX35 Holset Turbo -NP205 iron transfer case -3.73 gears -2" Lift |
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