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LBV · 06-17-2012, 08:51 AM

I think this too is a great idea! A handful of G8 owners have replaced their full diff assemblies with the Camaro ones (it fits apparently).

Having a GXP I already have a 3.70 rear-end but I wonder if the 3.91 would make a noticeable difference??? Anyone moved up .21 or so care to comment?

Also, why not go with the supposedly better 4.11 from Richmond instead of the 4.10?

06-17-2012, 08:51 AM	#3
LBV Drives: G8 GXP manual Join Date: Sep 2010 Location: Canada Posts: 157	I think this too is a great idea! A handful of G8 owners have replaced their full diff assemblies with the Camaro ones (it fits apparently). Having a GXP I already have a 3.70 rear-end but I wonder if the 3.91 would make a noticeable difference??? Anyone moved up .21 or so care to comment? Also, why not go with the supposedly better 4.11 from Richmond instead of the 4.10? __________________ 2009 GXP, Manual with Sunroof Zeta platform, LS3,TR6060 tranny ... ya, it's a 4-dr Camaro! Borla cat-back, H&R springs, & Sprintbooster & I love it!