My wife bought a new GMC/4500 with crewcab "pickup" with 5th wheel to tow her 32' horse trailer with living quarters. It needs some more power on grades. Any suggestions regarding electronic plug-in units that are supposed to regulate fuel flow and such? The Banks unit is about $800.00. Any other resources or knowledge?
Thanks..
Mordy
2005 Cummins ISX in my rig.
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