Dealer quoted $1700+ for a 3.31 rear end swap. - Ford Mustang Forum
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post #1 of 23 (permalink) Old 06-17-2014 Thread Starter
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Dealer quoted $1700+ for a 3.31 rear end swap.

Thought you guys might get a kick out of that one. I asked for a genuine Ford 3.31 like is an option on the car and after 2 weeks he finally got me the price. Sweet Jesus. Might call around but am in no hurry and don't want it that badly. How much are dealers charging out there? If anyone has a dealer they could recommend near Chicago let me know. My Mustang is a 2014 V6 Base Auto.

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post #2 of 23 (permalink) Old 06-17-2014
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I'm 1000 + miles away but can tell you one local shop (not a dealership) quoted me around $900 for labor. Thanks anyway.

I found another who did it for $380 and did a great job.guy is a former Ford dealer mechanic who opened his own shop


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post #3 of 23 (permalink) Old 06-17-2014
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Contact Brenspeed. They are expensive but about 1/3 the price you were quoted.
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post #4 of 23 (permalink) Old 06-17-2014
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Dealers charge a lot because..................they can

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post #5 of 23 (permalink) Old 06-17-2014
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yeah thats a little crazy. I usually see people paying $800-$1000 when all is said and done.


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post #6 of 23 (permalink) Old 06-17-2014
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Quote:
Originally Posted by Mustangfreak196 View Post
yeah thats a little crazy. I usually see people paying $800-$1000 when all is said and done.
Yeah that sounds about right. I paid a Ford dealer a little over $900 for parts and labor do to a gear swap.
I've heard of private shops doing it for less but couldn't find any in my area.
Would not do again btw. My rear end made noise and the performance difference between the gears was disappointing. I actually ended up missing the longer gears once I got a good tune.


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post #7 of 23 (permalink) Old 06-17-2014
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OP. 1700.00 dollars is an insane amount, for a gear swap. By all means, shop around.

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post #8 of 23 (permalink) Old 06-17-2014
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Good luck in the search. It was because of all these ridiculous prices that I got factory 3.73s when I ordered my GT.

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post #9 of 23 (permalink) Old 06-17-2014
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Quote:
Originally Posted by 5.0ben View Post
Yeah that sounds about right. I paid a Ford dealer a little over $900 for parts and labor do to a gear swap.
I've heard of private shops doing it for less but couldn't find any in my area.
Would not do again btw. My rear end made noise and the performance difference between the gears was disappointing. I actually ended up missing the longer gears once I got a good tune.
If it made noise, they did it wrong. Putting a Ford gearset into a Ford rearend should not generate any additional noise that the previous gearset didnt have.

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I paid just under $700 for parts and labor, but I went to an independent shop that had an awesome reputation. I had already tuned the car so getting it done by a dealer wasn't a key point for me as my warranty was already pretty much toast.


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Pete, just remember that if you go to an independant shop you'll have to pay a Ford dealer to re-flash your tune for the differant gears. Unless you are getting a real tune. I've driven the V6 with the 2.73 & 3.31 and bigger is better. I would like to try the 3.73 but have heard enough stories about noise to make that mod unlikely.

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Quote:
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Pete, just remember that if you go to an independant shop you'll have to pay a Ford dealer to re-flash your tune for the differant gears. Unless you are getting a real tune. I've driven the V6 with the 2.73 & 3.31 and bigger is better. I would like to try the 3.73 but have heard enough stories about noise to make that mod unlikely.
Do the 3.73's, they are fun. About the only way to have more fun is to add a Procharger.

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Quote:
Originally Posted by Strange Mud View Post
Pete, just remember that if you go to an independant shop you'll have to pay a Ford dealer to re-flash your tune for the differant gears. Unless you are getting a real tune. I've driven the V6 with the 2.73 & 3.31 and bigger is better. I would like to try the 3.73 but have heard enough stories about noise to make that mod unlikely.
I first test drove a 2.73 and would not consider it and got a 3.31 car. After 3 years of hemming and hawing I finally took the plunge into 3.73s and it is one of the best mods I did.

As far as noise, I have the tinyest whine between 55-60 but only when I am on the throttle maintaining speed. I will be the first to admit I am anal about anything being "wrong" on the car and this is minimal enough that it doesn't bother me. It sounds no worse than a little tire to road noise.

Get the right shop to do the job properly and for the right price.

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$1700.... that must be for the whole rear axle assembly, not just gear swap.... make sure you speak the same language than the person your asking, i think the advisor misunderstood your request.

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Find a driveline shop in your area, not a general automotive repair shop. It's quite possible the dealership you go to is outsourcing this work to a specialist anyway. Working on those parts in general is not something I would trust to anyone other than a shop that only works on differentials and drivelines. Sometimes you have to pay for expertise, this is one of those times.

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