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6l80e, 4.10s, who has done it?

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Old 11-04-2011, 03:06 PM
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33-35mph something like that. No the 4:11s are fine from a "performance stand point" they fall short on the mpg count as a DD/highway racer
Old 11-04-2011, 07:38 PM
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I have 'em, front and back (AWD). Love em. If I had installed them first, I probably wouldn't have needed to change the converter, in my estimation.
I bought the AAM gears (which are the same as the OEM's) from Randy's Ring and Pinion. Got them for about 1/3 the price of a set from GM too. Meshed really nice and no whining.
First gear is real low now, but that's what these heavy *** trucks need to get going anyways...
Old 11-04-2011, 09:15 PM
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Thanks for all the input guys. Seems like 3.73s are a good medium. I love this 6 speed .
Old 11-04-2011, 09:56 PM
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Originally Posted by CI DENALI
I have 'em, front and back (AWD). Love em. If I had installed them first, I probably wouldn't have needed to change the converter, in my estimation.
I bought the AAM gears (which are the same as the OEM's) from Randy's Ring and Pinion. Got them for about 1/3 the price of a set from GM too. Meshed really nice and no whining.
First gear is real low now, but that's what these heavy *** trucks need to get going anyways...

I need to find someone around here to put some in mine front and back. =/
Old 11-05-2011, 03:12 AM
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I have 373 on my 6l80 and it feels pretty good
Old 11-05-2011, 09:06 AM
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I Just picked up the truck yesterday from te shop w 4.10s f/b . I had the same 3.08s it's a rcsb 5.3 From a dig. Wow it goes well worth it seriously not only that but drivibility skyrockets.
U can pass retards w just using cruise control

Comparison - buddy just bought bone stock c5 01 vette (no race) but we left the shoulder of a highway n I stayed w him
But I also have bb tune cai headers n exhaust : ). GET EM
Old 11-05-2011, 07:14 PM
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IMG 0159 - YouTube

heres my friends 427 tvs2300 with a 6l80 and 4.10s
Old 11-05-2011, 10:36 PM
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I have factory 3.73s in my 11 6.2 CCSB 4x4 and want more, but I'm on slightly taller and wider 285/70-17 Duratracs as opposed to the factory 265/70-17 Wranglers.
Old 11-07-2011, 08:23 AM
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Originally Posted by rjwz28
I have factory 3.73s in my 11 6.2 CCSB 4x4 and want more, but I'm on slightly taller and wider 285/70-17 Duratracs as opposed to the factory 265/70-17 Wranglers.
I don't think you are going to see any noticeable difference that would justify changing the gears from 3.73s to 4.10s front and back.
If you haven't done it as yet, get your truck tuned by Blackbear, Wheatley etc. That would deliver more bang for the buck, in my view.
Old 11-07-2011, 01:40 PM
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Intake, tune, exhaust are all done. No longtubes or anything and no plans to do so either. I would actually like to do 4.56s but it makes me just a bit nervous just in case I ever decide to return to factory tire diameter.


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