Originally Posted by
American Thunder
I built my Bronco with a '91 all mechanical diesel and a C6 automatic, manual hubs, and manual t-case. I average 20 mpg, even with 35" tires and 9" of lift, and tuning the diesel for increased power is very simple and easy. The motor makes enough power to spin the tires at 30 mph. All mechanical is the way to go.
If you know how to tweak all the components, it's a lot more efficient and better with computers.
I can smoke my 4 rear tires really easy at low speeds.