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Old 01-06-2013, 08:54 AM   #1
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Join Date: Nov 2011
Posts: 14
2011 6.2L gear question

Should I go with the 3.73 or the 4.3 e-lock? Thanks, ya'll have been so helpful.

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Old 01-06-2013, 10:56 AM   #2
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Location: Southern Indiana
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My 2012 F-250 has the 3.55 and locking rear differential with 6 speed auto transmission. If you have hill descent control, you'll love it.

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Old 01-06-2013, 11:51 AM   #3
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Location: Central California
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I have 3:73 in my current Duramax and the previous Silverado Gassers prior, I have no issues with the 3:73 and 6-speed transmission. I imagine that the fuel economy on the 3:73 will be better than the 4:30 too.
2007 Chevy Duramax LMM/Allison
2012 Jay Flight 29QBH
2012 Jay Flight 26BH (Sold)
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Old 01-07-2013, 09:40 AM   #4
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Location: Saskatoon Sask Canada
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If you can get the locker on the 3.73 I would go with that...
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12

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