best fuel economy mods

I run 50% free, filtered motor oil thru heat exchanger and geared lift pump. Runs great and cuts fuel cost in half.
 
With 50/50 diesel/oil, I get 15 to 20 mpg, which equals 30 to 40 on pure pump. And better power. Why slow down??
 
there's only so much you can do within a certain budget to get mileage out of these trucks, its like trying to make a brick aerodynamic.
 
The only PROVEN fuel savings mod in any diesel that I'll ever drive.

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Before harassment begins...yes, I know that is a pic of a gasser.
 
Buy a 4-cylinder economy car....then you have a back-up when the hot-rod breaks down.
 
I recently acquired a bone stock RCLB 12v auto. I drive like a grandma in it and about 55mph down the highway. Last time I checked with lots of straight highway, handcalculated was 18.7 mpg. Small 235/85/r16 tires.
 
Ghostman said:
I recently acquired a bone stock RCLB 12v auto. I drive like a grandma in it and about 55mph down the highway. Last time I checked with lots of straight highway, handcalculated was 18.7 mpg. Small 235/85/r16 tires.
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weaksauce! My RCLB 4x4 CR with 33x13.50's and 3.73's got 18-19mpg average with an nv4500
 
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