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#3
03-18-2009, 12:59 AM
Hummer Guru
Join Date: Oct 2005
Location: Charlotte, NC
Posts: 2,767
Re: Front and Rear Diff Gears?
I agree.
When I ran 38's, I installed 4.56 gears. The whole point was to keep the same end gear ratio.
4.10's-33" = 4.56's-38"
So, I'd try 4.88's.... besides, you don't want anything lower, it doesn't make for good daily driving.
Mark
#5
03-18-2009, 05:39 AM
Hummer Authority
Join Date: Sep 2005
Location: Texas
Posts: 1,795
Re: Front and Rear Diff Gears?
Quote:
Originally Posted by r-cman
What gear ratio comes stock in the '05 H2 SUV?
4.10:1
They changed to 3.73:1 in 2008+
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#6
03-20-2009, 06:01 AM
Hummer Guru
Join Date: Jan 2004
Posts: 7,060
Re: Front and Rear Diff Gears?
Quote:
Originally Posted by tomp
4.10:1
They changed to 3.73:1 in 2008+
Why did they do this? Due to the 6speed trans or extra hp?
I wonder how 4.56's would be with 37's on that truck...or if it's even needed on that engine/trans setup.
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