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08-25-2012, 01:37 PM
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#11
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Cummins Member
Join Date: Aug 2011
Location: Norman
Age: 39
Posts: 4,051
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What rear end is in your truck?
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08-25-2012, 01:44 PM
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#12
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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3:55's......
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08-25-2012, 05:54 PM
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#13
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Jesse
Join Date: Jan 2012
Location: Ponca City
Age: 32
Posts: 584
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3.55 and open diff kills 60, mph is bout right. I wouldn't be disappointed not bad
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2011 Ram R/T
Vararam, 2/5 Belltech drop, Black factory 22s,
One badass daily driver  |
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08-25-2012, 06:02 PM
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#14
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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Thanks... I'm definately gonna be getting me some 3.92's now!
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08-25-2012, 07:39 PM
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#15
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Jesse
Join Date: Jan 2012
Location: Ponca City
Age: 32
Posts: 584
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4.10s and locker
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2011 Ram R/T
Vararam, 2/5 Belltech drop, Black factory 22s,
One badass daily driver |
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08-25-2012, 07:51 PM
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#16
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Coffee, Gas, Ammo. Set!
Join Date: Aug 2011
Location: Work, Garage, Computer room
Posts: 685
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4:10s and that powertrax that was for sale on RF.
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08-25-2012, 08:00 PM
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#17
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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Don't you all think 4:10's would be a little much for mine?
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08-25-2012, 08:05 PM
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#18
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Coffee, Gas, Ammo. Set!
Join Date: Aug 2011
Location: Work, Garage, Computer room
Posts: 685
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Its less than a 200 rpm difference at 65 mph between 3:92s and 4:10s.
http://www.jeep4x4center.com/jeep-ti...atio-chart.htm
Note you ahave to drop your rpms about 20% for od.
Whats your rpms now at 65 mph? Or what size tires are you running?
Last edited by Okiespaniels; 08-25-2012 at 08:09 PM.
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08-25-2012, 08:13 PM
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#19
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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Just did the calculations on the difference
3.55 - 2000.8 RPM
3.92 - 2204 RPM
4.10 - 2316.8 RPM
I took the 20% drop into account on these
Now my question is, how much better would the 4.10's be then the 3.92's?
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08-25-2012, 08:16 PM
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#20
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Cummins Member
Join Date: Aug 2011
Location: Blanchard
Age: 29
Posts: 3,267
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RPM right now is at about 1900 and I'm running 31" tires
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