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View Poll Results: Which axle ratio on your 2013/2014 Ram?
3.21 152 22.72%
3.55 249 37.22%
3.92 268 40.06%
Voters: 669. You may not vote on this poll

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  #21  
Old 09-02-2013, 08:24 PM
my63cadillac my63cadillac is offline
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Quote:
Originally Posted by kxlexus View Post
3.92 no spin with the 8speed transmission. They really shouldn't offer any other combination
+1, Couldn't agree with you more...Great combo !!!
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  #22  
Old 09-03-2013, 09:08 AM
Rangers13 Rangers13 is offline
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What kind of mpg difference can one expect between the 3.21/3.55/3.92 when paired with the 8sp?
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  #23  
Old 09-03-2013, 12:01 PM
Driver72 Driver72 is offline
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Quote:
Originally Posted by Rangers13 View Post
What kind of mpg difference can one expect between the 3.21/3.55/3.92 when paired with the 8sp?
This is so heavily dependent on individual drivers, their weather, their terrain, their altitude, and how much they carry or tow, and which truck and options they have.

Put my best guess if all being exactly equal, on average you'd see a
.5-.75 mpg drop between the axle ratios.
So two exact trucks, the one with the 3.92's would expect to get 1-1.5 mpg less gas mileage than one with a 3.21
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  #24  
Old 09-03-2013, 12:59 PM
Manic52001 Manic52001 is offline
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3.55 as that was all i needed, and way the only one within 400 miles no 3.92
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  #25  
Old 09-03-2013, 01:40 PM
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sga4x4 sga4x4 is offline
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I had a 2003 Quadcab Hemi with 20" wheels and 3.92 gears. The best it ever got was 15.6, but it ran like a scolded cat. My 13 has 3.21 and the 8 sp tranny and I'm getting 15 in town and should get close on 21 on the highway. My set up is fine considering what I use the truck for.
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  #26  
Old 09-03-2013, 06:33 PM
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Thunderhorse Thunderhorse is offline
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Quote:
Originally Posted by sga4x4 View Post
I had a 2003 Quadcab Hemi with 20" wheels and 3.92 gears. The best it ever got was 15.6, but it ran like a scolded cat. My 13 has 3.21 and the 8 sp tranny and I'm getting 15 in town and should get close on 21 on the highway. My set up is fine considering what I use the truck for.
Take a long trip unloaded and I guarantee you'll do better than 21.
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  #27  
Old 09-04-2013, 05:05 PM
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Hemi 8 Speed w/ 3.21. Just picked it up last night.
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  #28  
Old 09-04-2013, 05:49 PM
Parkersdad Parkersdad is offline
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I have the 3.73 in my 2500 Ram
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  #29  
Old 09-04-2013, 10:22 PM
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Okieram Okieram is offline
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3.21 and after a week and 1100 miles I get a solid 21mpg. I do mostly highway at 65 mph. Not bad for a crew 4x4 5.7.
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  #30  
Old 09-05-2013, 05:00 PM
eng37ine eng37ine is offline
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3.21 w/6 speed. Quick for me!
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