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  #151  
Old 04-22-2014, 09:35 AM
Juma Juma is offline
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Quote:
Originally Posted by gysnst2 View Post
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.

Last edited by Juma; 04-22-2014 at 03:34 PM.
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  #152  
Old 05-27-2014, 11:06 PM
PaulBx PaulBx is offline
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Quote:
So, it was only a slight improvement of 0.7 mpg, which is negligible in my opinion.
.7mpg in a truck averaging around 20mpg is a 3.5% improvement. I don't call that negligible. It will save you around $700 in fuel cost if you go 100k miles.

I very much doubt Dodge is using small guage wires to save weight. More like saving the cost of copper.
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  #153  
Old 05-28-2014, 03:27 PM
huntergreen huntergreen is offline
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doubt dodge would save on the cost of copper for a 3.5% increase in mpg to help cafe standards.
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  #154  
Old 05-30-2014, 01:05 AM
PaulBx PaulBx is offline
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Agree. Which makes me think the improvement may be from something else. It is damnably difficult to verify these small improvements.
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  #155  
Old 08-27-2014, 04:27 PM
campbellrm91 campbellrm91 is offline
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Hi all,

I ordered a 0awg big 3 upgrade kit and plan to just run the new cable over the existing cables. I've followed and mapped out in my head where I'll be running cable but I'm having trouble finding where the engine block is grounded or where I could just add my own ground. Some help to either of these locations would help out a ton!

Thanks!
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  #156  
Old 08-27-2014, 06:59 PM
Hornet Hornet is offline
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Take a look at your altenator mount,should be a bolt on it that'll work good for an engine ground.
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  #157  
Old 08-31-2014, 07:12 PM
Juma Juma is offline
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Quote:
Originally Posted by campbellrm91 View Post
Hi all,

I ordered a 0awg big 3 upgrade kit and plan to just run the new cable over the existing cables. I've followed and mapped out in my head where I'll be running cable but I'm having trouble finding where the engine block is grounded or where I could just add my own ground. Some help to either of these locations would help out a ton!

Thanks!
on the front of the heads/block I used a empty threaded hole to bolt a ground cable to.
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  #158  
Old 09-05-2014, 09:13 PM
huntergreen huntergreen is offline
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any new results to report?????
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  #159  
Old 11-28-2014, 06:14 AM
mrjoshclayton mrjoshclayton is offline
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So I just added extra 6 gauge wire to my truck I did engine to (-)battery, (+)alternator to (+) battery, (+)battery to fuse box and (-)battery to fender ground and i noticed that my voltage now stays at 14v instead of the 13.2, I find my truck starts easier, when out for a drive it seems easier to turn with my power steering interesting mod glad i did it!!

Last edited by mrjoshclayton; 11-28-2014 at 06:17 PM.
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  #160  
Old 12-14-2014, 03:14 PM
Hornet Hornet is offline
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Curious if anybody has done this mod,and went one step further and also grounded the throttle body itself.
I'd try it,but my 4.7 uses a plastic based throttle body,but sure curious if it does anything on the Hemi's throttle body
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