Need some input on gear selection
#17
TECH Resident
Join Date: Jul 2005
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All of the 6.2s (except AWD Denalis) have 14 bolts. You have the 8.5" 10 Bolt. When beefed up the 8.5" can hold decent power, so I wouldn't be worried about upgrading if I were you.
#18
Man Motor club
Join Date: Jun 2007
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I have a 2011 4x4 with the 14-bolt rear; I can't remember if it was the front diff or the rear (or both) that the 4.30 is not available for. Your 10-bolt will be just fine unless you have really big plans.