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Difference between 3.21 and 3.92 Axle Ratios


This is a discussion on Difference between 3.21 and 3.92 Axle Ratios within the Towing & Hauling forums, part of the 4th Gen : 2009 - Present category!
Originally Posted by TruckNoob I just picked her up on the 24th. Thank you. I'll be towing a load of ...


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Old 12-29-2016, 10:35 AM   #31 (permalink)
 
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Originally Posted by TruckNoob View Post
I just picked her up on the 24th. Thank you. I'll be towing a load of about 3k pounds tomorrow and will let you know. I won't be doing a bigger load until the middle or late part of January.
I don't think you'll even notice 3K lbs behind you

That was a smoking hot deal on that truck.


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Old 01-07-2017, 06:39 PM   #32 (permalink)
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Default Enigmatic VIN results r/t rear end gear ratio
Looking up my VIN on a link obtained at "DodgeForum.com" as opposed to a Chrysler site (that seemed impressively official) gives me 3.21 on the former and a 3.92 on the latter. I can't seem to make any links from this forum work and was wondering if there are any visible differences between the two. I am towing a tandem axle trailer, electric brakes, and a weight around 5500-6000lbs wet n loaded.
The higher ratio will have me right at limits while the lower ratio gives (a little) margin.
Thanks all!
Socks
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Old 01-07-2017, 08:01 PM   #33 (permalink)
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Originally Posted by mrsocks View Post
Looking up my VIN on a link obtained at "DodgeForum.com" as opposed to a Chrysler site (that seemed impressively official) gives me 3.21 on the former and a 3.92 on the latter. I can't seem to make any links from this forum work and was wondering if there are any visible differences between the two. I am towing a tandem axle trailer, electric brakes, and a weight around 5500-6000lbs wet n loaded.
The higher ratio will have me right at limits while the lower ratio gives (a little) margin.
Thanks all!
Socks
This is the site I used. Not sure if its official or not. FCA US LLC Launch Page

Also keeping in mind that im a noob here asking for opinions in another section....
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Old 01-07-2017, 10:15 PM   #34 (permalink)
 
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Originally Posted by mrsocks View Post
Looking up my VIN on a link obtained at "DodgeForum.com" as opposed to a Chrysler site (that seemed impressively official) gives me 3.21 on the former and a 3.92 on the latter. I can't seem to make any links from this forum work and was wondering if there are any visible differences between the two.
Is the tag on the axle gone?
You can look up what your truck was built with here: http://www.ramtrucks.com/webselfservice/ram/Recall.html
Click on: Equipment Listing
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Old 01-26-2017, 05:31 PM   #35 (permalink)
 
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Here is my window sticker. What am I missing? I don't see anywhere where it tells me my gear ratio.....
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File Type: pdf WindowStickerPDF.pdf (51.3 KB, 31 views)
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Old 01-26-2017, 05:45 PM   #36 (permalink)
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Originally Posted by Wings View Post
Here is my window sticker. What am I missing? I don't see anywhere where it tells me my gear ratio.....
3.21's
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Old 01-26-2017, 06:08 PM   #37 (permalink)
 
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Originally Posted by DannyMK2 View Post
3.21's
Thanks. But where did you find that? OR is 3.21's the standard and it only shows up if there is a different ratio?
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Old 01-27-2017, 12:47 AM   #38 (permalink)
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Originally Posted by Wings View Post
Thanks. But where did you find that? OR is 3.21's the standard and it only shows up if there is a different ratio?
That's usually the case.
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Old 01-27-2017, 09:26 AM   #39 (permalink)
 
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Originally Posted by ExpressRules View Post
The true answer to what the difference is between 3.21 and 3.92 is obviously 0.71. See how easy that was, No need for 3 pages and back and forth.

No need to thank me, it was all in a days work.
. but its not over yet, we are at 4 pages and counting.

Luke


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Old 01-27-2017, 10:22 AM   #40 (permalink)
 
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Ram Trucks - Contact Us go there put your vin in .equipment list


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