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Change gearing from 3.42 to 4.10


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Since its a 4wd you have to get both front and rear differentials regeared. Definitely not a simple DIY deal. I would just take it to a shop and have em do it. I just took my housings in today to get regeared actually. Labor in my area is anywhere between 350-400 an axle plus you need the new gears and maybe even a new locker in the rear. Oh yeah, you need master rebuild kits as well

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NOT a simple DIY project. like mentioned above, take it to a good shop that has a lot of experience in gear swaps and axel work. My local shop quoted me $1800 (I think) to do a swap on my 05, but it may have been cheaper.

 

The difference is night and day. I never had the swap done, but I did buy an 07 with 4.10s. The ease of towing with this truck is worlds better on 285s than the 05 was with 265s and 3.42s. If you want more umph, that's definitely the way to go. most people try to throw power adders under the hood to make up the difference, but the gears will also lessen the strain on the transmission. Just be prepared to kiss any fuel efficiency you currently experience goodbye. My 05 would easily get 18 on the highway and 16 mixed, but the 07 with the 4.10s only gets around 14 highway.

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Thanks guys, just the info I was looking for! Sounds like a pricey upgrade which really isn't in the cards right now. Maybe I will call 4 Wheel Parts and see what they say. I'm pretty sure they do this work.

 

I'm running 275 BFG's right now and have a Diablo tune, K&N FIPK, and soon to be Dynomax cat-back (installing tomorrow). I know the 4.10's would be the icing on the cake, but it would be difficult to justify the cost right now.

 

Again your responses are much appreciated rdnckhntr94 and Z71 AST! :thumbs:

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4 wheel parts will want about $700 an axle depending on what gears you choose if you buy the ring and pinion from them

 

Sent from my Samsung Galaxy S4 using Tapatalk 4

 

 

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Thanks. Spoke to 4 wheel parts today. They quoted $900 per axle, plus recommended changing the limited slip carrier in the rear to prevent future problems adding another $400 - $600. That's more $ than I want to spend right now, but I was curious. Maybe I will call some other reputable places just to see.

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