Cummins V8 for Nissan Titan pickup

calicamper

Expedition Leader
27 mpg 7.3? How?

Ha ha no kidding. Cousin has two 7.3's one of them is chipped and geared for max mileage on the highway at 60mph its his work rig. He runs around 21-23mpg at full Gross no trailer - welding rig. His second one his toy truck as he calls it is set up as your typical monster truck big tires, loud exhaust power mods etc and he's happy if it ever gets 18mpg.

A stock 7.3 with stock ride height and stock wheels etc will return low 20's averages with light loads and a light foot. Vs the large gas versions which will return 15mpg with a tail wind.
 

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