3:73 or 4:10 axle ratio....?

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Sep 30, 2005
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Hi guys & or gals...... About to order a GMC 2500HD w/Duramax diesel-Allision. Anyone have any input concerning Diff ratio...?
 

edjunior

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Apr 12, 2005
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Roman Forest, TX.
If you're even thinking about it, go ahead and get the 4.10.  The Duramax will do you good, but the 4.10 will really make it solid. You won't regret it.
 

N Smock

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Mar 9, 2005
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246
Location
Long Branch, NJ
Sidecar Sylvie said:
Hi guys & or gals...... About to order a GMC 2500HD w/Duramax diesel-Allision. Anyone have any input concerning Diff ratio...?

No problem the Duramax only comes with 3.73 rears.

Nelson
 
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