Fuel Mileage

[RandoTx]

I'm rockin 16.1, lbz ppe level 3 and 285's, exhaust and intake mod, other goodies too, don't know why it's so shitty. I don't really get on it too much either

 

[LWATSON]

I can get as high as 24.5 on the Diesel Addiction economy tune running 55 mph, 22 mpg at 60 mph and yesterday I got 19.5 running 75 mph 280 mile round trip. Also I drove in heavy traffic for 20 miles and drove on the beach a while on this tank.