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If you go with a DTE differential (like I did) they will use your differential as a core. I had mine installed for $400. DTE is well known for their differentials and if broken in properly should last for a long time with no noise. I, personally, wanted to by a differential from someone with extensive experience in C5s, rather than have someone with less experience install gears into my existing diff.
I pull the diff out myself = free.
Bring to Texas Auto Gear for swap = $250.00.
Ring and pinion cost between $330-$600 depending on who you get them from.
I just did another gear swap and everything has be flawless so far. Took 4.10s out and put in 3.42s.
Speaking of which, if you decide to go this route I have a set of 4.10s for sale. $280.00 shipped.
I pull the diff out myself = free.
Bring to Texas Auto Gear for swap = $250.00.
Ring and pinion cost between $330-$600 depending on who you get them from.
I just did another gear swap and everything has be flawless so far. Took 4.10s out and put in 3.42s.
Originally Posted by Halfway
I got a quote of $1200 to install JUST GEARS and take care of everything, including parts.
fyi 3.42 rear ends (not gears) are going for about $500 depending on condition (miles, etc.):
So I learned a couple of things, I think: I can buy gears or a replacement rear end. Just gears seem to cost more in the long run because of the labor to set them up. 3.42 diffs are worth around $4-500 in good condition, but the gears are worth much less.
Someone correct any ignorant statement above, please.
So the question is: which is overall cheaper? Buying a 4.10 diff and selling the 3.42 diff from my FRC (which, I'm assuming is primo because it makes no noises and has been well-treated), or putting a set of 4.10s in the stock 3.42 diff?
Okay, I'll do the math. If you have a place like cajundude that will install gears for $250, then you're looking at $600-$850 for the 4.10 diff. Otherwise it's $1300 for the diff from DTE. I wonder if they'll return your 3.42 ring and pinion gears which you could sell used for a few bucks? I'd guess the labor is a wash in either case.
I am getting DTE to change my 3.42 to 4.10. There is a core charge - so if you want to keep your entire diff it will be $700 - i think. Also, they will return your gears to you - which you can keep or sell.
I figure DTEs stage 1 4.10 diff is $1300 (with core).
The labor to remove swap the diff is $400 Seems like a fair price for labor.
I am getting DTE to change my 3.42 to 4.10. There is a core charge - so if you want to keep your entire diff it will be $700 - i think. Also, they will return your gears to you - which you can keep or sell.
I figure DTEs stage 1 4.10 diff is $1300 (with core).
The labor to remove swap the diff is $400 Seems like a fair price for labor.
And DTE is a trusted company! They build very reliable parts. This is where my money i going to go soon!
Cajundude, I am expecting some 3.42's for my a4. YOu should come over and help since this will be my first time swapping anything out on the vette.
Haven't done an auto but I'm sure it can't be too much different. If I am between installs I can help you but I do have a lot going on with my car right now. Should crank the engine up tomorrow and if all is well I will have to do the break in, this will be a break between installs. Going out of town on the 25th for a crawfish boil at my uncle's house. When do you plan on getting the gears? You are talking about the whole pumpkin right?
Haven't done an auto but I'm sure it can't be too much different. If I am between installs I can help you but I do have a lot going on with my car right now. Should crank the engine up tomorrow and if all is well I will have to do the break in, this will be a break between installs. Going out of town on the 25th for a crawfish boil at my uncle's house. When do you plan on getting the gears? You are talking about the whole pumpkin right?
Jason, he got the whole pumpkin from me. I shipped it out Monday and he should get it sometime today 02/15. I even went ahead and changed the left side seal and the O ring for him. I might have forgotton to torque the 6 (10mm) left cover bolts. I sent him a message after I realized, so if you are there at the time of install, please torque them left cover bolts to 20lb/ft
Changing a pumpkin out on A4 is pretty much same as MN6
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