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Old 04-27-2016, 04:54 AM   #15
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Originally Posted by dwhit View Post
I looked-up where you live.
I used to deliver auto parts. Across from an O'Reilly store is a mechanic I've seen perform a lot of work on diffs. I asked him about it...he says not many mechanics know that work. I'd give him a call. He's not too far from you. He's honest and totally reasonable. Tell him old delivery guy DON recommended him.

Ronnie Wright Automotive
101 Joey St, Anderson, SC
(864) 375-9888
Great, if I decide to go this route I will stop in to see him. Thanks for the info dwhit
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Old 04-27-2016, 05:45 AM   #16
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understood. i would guess when your all said and done you will be the better part of 2 grand. hope if you do it you get what your trying for.
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Old 04-27-2016, 08:09 AM   #17
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First--have you actually towed with the higher weight behind you? Personally, I think your truck would handle it fine, just a little slow getting away from stops, and maybe cruise at the wrong rpms in double overdrive.
There used to be a 4.10 available, but maybe not for the newer trucks.
IF you go ahead with this swap, suggest you do the entire 3rd member as a unit, do not get the parts and try to set them up--it takes an experienced diff mech to get the spacing/backlash correct or you will end up with an irritating whine. The recommended mech above is surely a good place to start.
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Old 04-27-2016, 09:42 AM   #18
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First--have you actually towed with the higher weight behind you? Personally, I think your truck would handle it fine, just a little slow getting away from stops, and maybe cruise at the wrong rpms in double overdrive.
There used to be a 4.10 available, but maybe not for the newer trucks.
IF you go ahead with this swap, suggest you do the entire 3rd member as a unit, do not get the parts and try to set them up--it takes an experienced diff mech to get the spacing/backlash correct or you will end up with an irritating whine. The recommended mech above is surely a good place to start.
So far the only time I have towed it was from Atlanta up 85 and it was a 3 hour drive. I set the cruise on 65 and it did it pretty easy. Dropped down to 3 a couple of times but never over 4000 rpms. I was pretty surprised but then again I had a pretty stiff wind behind. I was also pretty surprised about getting 14 mpg. I stopped at the cat scales along the way and dry weight was 10,700 lbs so again pretty happy with that. Here comes the but..... I plan on going to the mountains out west and I think it would help a lot but all I can go by is what people on the forums are saying.
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Old 04-27-2016, 10:07 AM   #19
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JMHO, keep the gears you have and use the gears in your trans. MPG will suffer with 4.30's.
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Old 04-27-2016, 10:45 AM   #20
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Don't forget that you will probably want to re-calibrate your speedometer.
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Old 04-27-2016, 11:06 AM   #21
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JMHO, keep the gears you have and use the gears in your trans. MPG will suffer with 4.30's.
I guess the best thing to do is run what I have for a couple of short trips and see what I have. Might run up to Ashville with it and that would be a good test for sure. Thanks for all the comments.
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Old 04-27-2016, 11:42 AM   #22
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Completely missed that you have a gas truck. Understand a little better on what you are thinking and why...
Joe
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Old 04-28-2016, 08:29 AM   #23
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Yes, if you ordering a New truck.. the 4.30 are better...

but at 2,000 dollars.. you may want to stay with the 3.73.

I went on a 2,000 miles trip. recently
2012 F 250 with 6.2 engine and 3.73 gears...

truck, motorcycle in bed/and trailer at 8,300 pounds empty.

for a scaled total weight of 17,000 pounds.. going over Ohio, West Virginia, Virginia, North Carolina... and South Carolina HILLS.

not a single issue or problem. and my truck has 140,000 miles on it. and used NO OIL... or transmission fluid. and transmission Temperature gauge never went over Half..

remember the Transmission and Rear End are the same for the gas 6.2 and the 6.7 Diesel. So they can take the work
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Old 04-29-2016, 08:41 AM   #24
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Originally Posted by Chuck_Hammer View Post
Yes, if you ordering a New truck.. the 4.30 are better...

but at 2,000 dollars.. you may want to stay with the 3.73.

I went on a 2,000 miles trip. recently
2012 F 250 with 6.2 engine and 3.73 gears...

truck, motorcycle in bed/and trailer at 8,300 pounds empty.

for a scaled total weight of 17,000 pounds.. going over Ohio, West Virginia, Virginia, North Carolina... and South Carolina HILLS.

not a single issue or problem. and my truck has 140,000 miles on it. and used NO OIL... or transmission fluid. and transmission Temperature gauge never went over Half..

remember the Transmission and Rear End are the same for the gas 6.2 and the 6.7 Diesel. So they can take the work
I missed this one and sorry for that. I am good for 19,000 lbs GCVWR as you well no and with the truck at a little under 7000 lbs and the 5er over 13000 lbs GVWR I need to be a little careful about what I load but will no doubt be at my limits. I hooked up yesterday and put some good tires on it and best thing I can do for now it take a few short trips with it and go from there. It did feel pretty good yesterday and even though it was just 50 miles the more I take it the better it will feel. Thanks for the help, ever little bit of this helps. Russ
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