An 84 Crew Cab dually is not going to get good mpg, especially with a 440. I can understand the desire to get all you can. I hope it has the 3.54 gears instead of the 4.10 set.
Dave went down this road with his LA build years ago. I'd lean on his practical experience.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
