Originally Posted by gysnst2
I'm not saying that wiring a better ground won't make it more effeciant I know it will. I do know anyone that has a 5.7 hemi that's getting over 18 and I live in the country. And so do most of my buddies. That where I'm calling BS. If you guys are getting that good of mpg. Then I suck at driving. I was an aircraft mechanic before now I work for an IDOT maintenance facility. One of the most important parts of any piece of Equiptment on road and off-road is the ground. We are using 2 to 4 guage wire on 90% of all our Equiptment for grounds. I'm installing a whelen freedom 55 and 6 vortex led strobes on my new ford and number one thing is a new ground. But like I said I'm getting 18 mpg in the new ford with the same driving habit's
If I am reading your post right you have a 5.7, 4WD, 3.92 rear end, QC. With that combo, you shouldn't bother with any wiring mods. Your gears are just too low and the weight too much to try to get 18mpg. The key reason I can get even the advertised mpg with the cable mod is that my truck is 2WD, weighs 4750 dry, and has the 3.6 with 3.21 gears. Ram makes so many combinations that its impossible to get the advertised mpg on many, maybe most of them. I think a new regular cab, short bed, 5.7, with 3.21 gears and 2WD could get around 20mpg on the highway at 65mph. All the other 5.7, its doubtful.