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Avg. Cost for Gear Swap??

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Old 11-30-2008, 02:36 PM
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what gains did you all see from 4.10s? I'm going 3.42 to 4.10
Old 11-30-2008, 07:51 PM
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Originally Posted by Breeze
Stop at some of you're local shops and get quotes that way you can get a better idea of what youre up against. I bought my 4.11s and master install kit which came with bearings and seals at Randy's ring and pinion for like 375 shipped.
Yeah, that's what I'll do. There's a performance shop not even a mile away- I'll stop in and get a quote from them.

Sounds like this is going to be more than I thought, but it should be worth it in the end, hopefully.
Old 11-30-2008, 07:54 PM
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So you already picked up the gears and master install kit right?
Old 11-30-2008, 08:08 PM
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Just make sure if your gonna do it you need to suck it up and buy a locker too. Stock G80's go BOOM.. I'm figuring mine $1000 to $1200 gears,kit,locker,labor.
Old 12-01-2008, 04:32 PM
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The more motor you have the more you will benefit from gears a stock 4.8 will not gain much, You'll see more bottom end gain and will lose top end 3.73s are really ideal for a street driven truck. Imo.
Old 12-01-2008, 04:38 PM
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it cost me $275 to put in my true trac n 3.73s and that included the pinion bearing, crush sleeve, pinioon seal and oil.
Old 12-01-2008, 04:50 PM
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Sounds like u got a good deal.
Fastgmc53 has a valid pt. If u can afford it, wait & install gears/ & a locker or similiar, all at once. It'll cost u more down the road if u end up doin them separate anyways. Not tryin to spend your $ for u, just sayin.

Last edited by fastnblu; 12-01-2008 at 04:56 PM.
Old 12-01-2008, 04:53 PM
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Old 05-17-2009, 02:43 AM
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bumping this up... checking out what everyone is still paying.

I got quoted $350 for my 4.10, truetrac, and master bearing kit.
Old 05-17-2009, 04:22 AM
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It was $350 for labor with me supplying the parts.


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