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Old 05-27-2013, 12:04 PM
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the persuader the persuader is offline
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Join Date: Oct 2012
Location: College Station, TX
Age: 22
Posts: 799
Gender: Male
Vehicle: 2001 Cummins 4x4
Trim Level: SLT Laramie
Color: Red
Engine: 2001-2003 359ci (5.9L HO) Cummins ISB 24-Valve Diesel I6 245hp 505lb/ft (6-Speed Manual)
Rep Power: 3
Rep:326
the persuader is a jewel in the roughthe persuader is a jewel in the roughthe persuader is a jewel in the roughthe persuader is a jewel in the rough
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My intake didn't do much for fuel economy. If anything, I think it dropped a little. Do a tuneup if it hasn't been done already with a new distributor cap and rotor, new sparkplugs and wires. Make sure your intake plenum gasket hasn't gone bad.

As far as better fuel economy, I haven't seen much improvement for these engines. An electric fan should help, but the best and easiest mod, as much as it pains me to say, is changing your driving style. these are thirsty engines.
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2001 2500 QCLB Cummins NV5600 4x4 - Fass Titanium 150 - 4" Turbo back w/ 4" downpipe - front and rear replacements - American Racing 16x10 - 33" BFG A/T
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