changing rear end gears
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Posting Guru
Joined: Dec 2009
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From: Charleston
changing rear end gears
i currently have a 3.55 ls in my truck. im thinking about 4.10's. would i have ot change out the whole rear end or could i get just the gears and change them out? how hard is it to change the gears in your truck?
thanks guys
thanks guys
Thread Starter
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Posting Guru
Joined: Dec 2009
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Likes: 1
From: Charleston
well ive got a friend with a rear end with the 4.10 and hes wanting 500 for it. ive foun the actual gears alot cheaper. thats why i was asking. how hard is it to just change the gears?
Postmaster
Joined: Jan 2009
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Putting in a used rear end you get what you get , if you put gears in it you will want to get a full bearing & seal kit , check the axles real good & replace if nessary , you can also upgade to a good LS , this should be done by a profesional , more money but when your done its like a new rear end ....Lew
Senior User
Joined: Mar 2004
Posts: 226
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From: IA
I would start checking around local junk yards. See if you can find what you want. If not, its not entirly difficult to take a rear diff apart. the most difficult part is shiming it. I would have a pro do that part. I am thinking about changing out the gears in my truck but it will be really expensive to do both the front and the rear at the same time ($800ish). I was really wanting to do 4.56 but i don't think i will find that in a stock truck at a junk yard.
Senior User
Joined: May 2005
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Changing the gears should run less than $500 including parts at most reputable shops, much easier than changing the whole axle 
If its a 4x4 you MUST do both sets at the same time or lose the use of four wheel drive til you do...
Sam
If its a 4x4 you MUST do both sets at the same time or lose the use of four wheel drive til you do...Sam
