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Old 06-26-2013, 06:49 PM   #1
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3.73 gear help.

I called the dealership today and they said it would be roughly 800-1000 for parts and labor. Can someone tell me how hard it is to do myself? I don't have access to a garage. What is it going to require tool and time wise. I am mechanically adept enough as I did most of the work on my 86 5.0 and have always done my own upkeep on all my cars. Help? So it yourself or what it cost you to have installed at a shop? $1000 sound a bit ridiculous.
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Old 06-26-2013, 06:58 PM   #2
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I called the dealership today and they said it would be roughly 800-1000 for parts and labor. Can someone tell me how hard it is to do myself? I don't have access to a garage. What is it going to require tool and time wise. I am mechanically adept enough as I did most of the work on my 86 5.0 and have always done my own upkeep on all my cars. Help? So it yourself or what it cost you to have installed at a shop? $1000 sound a bit ridiculous.
AM sells the Ford Racing 3.73 kit for $280 and you should be able to get a shop to install for under $500. I would not take it to the dealer just due to the mark up on labor prices.
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Old 06-26-2013, 07:05 PM   #3
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AM sells the Ford Racing 3.73 kit for $280 and you should be able to get a shop to install for under $500. I would not take it to the dealer just due to the mark up on labor prices.
How much did it cost you installed out the door?
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Old 06-26-2013, 07:05 PM   #4
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Gears are worth paying to have done right the first time. Get a written warranty against failure and whine.
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Old 06-26-2013, 07:11 PM   #5
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Gears are worth paying to have done right the first time. Get a written warranty against failure and whine.
Fill time student = not a lot of cash. I agree though. That's why I haven't been doing my own work since I bought the 07.
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Old 06-26-2013, 07:13 PM   #6
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Fill time student = not a lot of cash. I agree though. That's why I haven't been doing my own work since I bought the 07.
At a minimum you need a press and magnetic base dial indicator...i'm debating tackling my own for the first time.
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Old 06-26-2013, 07:15 PM   #7
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At a minimum you need a press and magnetic base dial indicator...i'm debating tackling my own for the first time.
Lol. Sounds like I will be paying someone. I don't have anything but a basic tool set anymore.
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Old 06-26-2013, 08:14 PM   #8
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gears are easy, its just getting the proper tolerances right, the hardest part is getting the pinion nut off, and resetting it properly to have no whine...ive changed hundreds of sets of gears without using the proper tools in my race cars and they will whine or wear abnormally, i paid 300.00 to have mine installed on this mustang and it was a very good investment, no whine at all, if you bought the proper tools it would be a good way to learn to do it the right way and save a ton of money, i have a bad back and no lift, which means i couldnt get the pinion nut loose on my back so i paid.
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Old 06-26-2013, 08:20 PM   #9
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oh and if your going to do it yourself, just make sure you put all shims back in the way they came out, especially if your not going to have the proper back lash dial tool, the bearing on the pinion shaft has shims behind it, just make sure u put back exactly the way it was, and also the the outer bearings on the ring gear have shims too, just mark and reuse, it will be close but still will probably whine alittle, but unless its way off it will work for quite awhile, but they will wear quicker and make alittle noise.
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Old 06-26-2013, 08:43 PM   #10
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gears are easy, its just getting the proper tolerances right, the hardest part is getting the pinion nut off, and resetting it properly to have no whine...ive changed hundreds of sets of gears without using the proper tools in my race cars and they will whine or wear abnormally, i paid 300.00 to have mine installed on this mustang and it was a very good investment, no whine at all, if you bought the proper tools it would be a good way to learn to do it the right way and save a ton of money, i have a bad back and no lift, which means i couldnt get the pinion nut loose on my back so i paid.
This is helpful! Thank you! +1
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Old 06-26-2013, 09:19 PM   #11
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I haven't done it yet myself, but have been researching for awhile.
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Old 06-26-2013, 09:31 PM   #12
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oh and if your going to do it yourself, just make sure you put all shims back in the way they came out, especially if your not going to have the proper back lash dial tool, the bearing on the pinion shaft has shims behind it, just make sure u put back exactly the way it was, and also the the outer bearings on the ring gear have shims too, just mark and reuse, it will be close but still will probably whine alittle, but unless its way off it will work for quite awhile, but they will wear quicker and make alittle noise.
If you're swapping gears you I would HIGHLY recommend getting new shims, carriers, and gaskets. Do not reuse the old ones. just spend the $60-$80 to get an install kit.

On AM they even sell the gear/install kit combo for like $260 and you can have a decent shop install it for $300
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Old 06-26-2013, 09:53 PM   #13
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if you got high milage yes get the shim and bearing kit, but its not a must, i reused the bearings and only added the shims needed, shims dont wear out and if you can get the old bearing off the pinion shaft without messing it up it would be fine, ive done it many times, these gears are not all that complicated, and if u get everything adjusted right thats the onlytricky part, with the right tools gears are very easy
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Old 06-26-2013, 10:06 PM   #14
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35k mileage.
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Old 06-26-2013, 10:18 PM   #15
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Unless you are someone that does gears on a regular basis, pay the 300 dollars to have them professional installed. This is not an area where you just want to wing it and hope you get lucky. Just my 2 cents.
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Old 06-26-2013, 10:27 PM   #16
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I'm in kc and there some guys that are charging 380 plus tax for parts and labor on gear swaps.
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Old 06-26-2013, 10:29 PM   #17
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I'm in kc and there some guys that are charging 380 plus tax for parts and labor on gear swaps.
$380 including the gears?!
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Old 06-26-2013, 10:30 PM   #18
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I'm in kc and there some guys that are charging 380 plus tax for parts and labor on gear swaps.
I would pay 400 to a professional before doing it wrongly and paying a lot more for fixing the damage and then getting the gears installed the right way. I paid 300 dollars for my gear install.
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Old 06-26-2013, 10:37 PM   #19
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$380 including the gears?!
Yes sir. Parts and labor it's a hell of a deal I'm just saving up more money
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Old 06-26-2013, 10:41 PM   #20
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i totally agree if youve never done them or are not mechanically skilled then yes pay to have them done, all im trying to say is they are easy and its not as technical as alot of people think, if youve never done them they could be intimidating but its far from rocket science, with the right tools and its really not many tools, its a simple job.
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Old 06-26-2013, 11:00 PM   #21
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Yes sir. Parts and labor it's a hell of a deal I'm just saving up more money
Hell yeah that's a screaming deal
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Old 06-26-2013, 11:05 PM   #22
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i totally agree if youve never done them or are not mechanically skilled then yes pay to have them done, all im trying to say is they are easy and its not as technical as alot of people think, if youve never done them they could be intimidating but its far from rocket science, with the right tools and its really not many tools, its a simple job.
Where you located lol you could install them for us
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Old 06-26-2013, 11:08 PM   #23
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Hell yeah that's a screaming deal
I paid 400 for mine to be installed
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Old 06-26-2013, 11:23 PM   #24
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$380 including the gears?!
Yes sir. Parts and labor it's a hell of a deal I'm just saving up more money
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Old 06-27-2013, 01:19 AM   #25
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Unless you are someone that does gears on a regular basis, pay the 300 dollars to have them professional installed. This is not an area where you just want to wing it and hope you get lucky. Just my 2 cents.
Agreed
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Old 06-27-2013, 02:04 AM   #26
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Did mine last week! Wasn't that bad just back lash and pinion were hard. I went 4.10's though
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Old 06-27-2013, 09:50 AM   #27
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I run 3.73's in my 88 LX. Good for the strip and city driving, sucks on the hiway where I wanna really get going

---------- Post added at 08:50 AM ---------- Previous post was at 08:48 AM ----------

As for installation do it yourself. Get a shop manual from your local parts store. It's easy enough to do in the driveway. On a not windy day.
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Old 06-27-2013, 10:14 AM   #28
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If you don't know what your doing , let the trained professional mechanic install the gears. Some things are not worth saving a few bucks if you don't know what your doing. They have the right tools and the lifts to make the job easy for them.
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Old 06-27-2013, 10:24 AM   #29
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If you don't know what your doing , let the trained professional mechanic install the gears. Some things are not worth saving a few bucks if you don't know what your doing. They have the right tools and the lifts to make the job easy for them.
Absolutely correct! Hmmm save a couple hundred bucks or have my gears whine for the next 10 years? Lol
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Old 06-27-2013, 10:39 AM   #30
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Absolutely correct! Hmmm save a couple hundred bucks or have my gears whine for the next 10 years? Lol
Or worse, just break down in middle of accelerating. Heck no.
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Old 06-27-2013, 12:58 PM   #31
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Lol. How mechanically inclined are you? Can you rebuild the top end of your engine? Like a simple head/intake swap?
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Old 06-27-2013, 01:01 PM   #32
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Did mine last week! Wasn't that bad just back lash and pinion were hard. I went 4.10's though
+2 for being a badass!
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Old 06-27-2013, 01:01 PM   #33
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I agree to take it to a shop if you haven't done it before. Or another Mustang guy. I do all my work. Don't trust anyone else with my parts. I know if I do it, it's done right.
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Old 06-27-2013, 01:06 PM   #34
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I called around. A shop will do them for 650.00 P/L included.

---------- Post added at 11:06 AM ---------- Previous post was at 11:02 AM ----------

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Lol. How mechanically inclined are you? Can you rebuild the top end of your engine? Like a simple head/intake swap?
I build most of the top side of my 86 5.0. I also did the custom exhaust, air bagged the rear suspension to get her *** high enough to put 90's tbird wheels with massive baha tires on her. I also had more tool back then and access to a hydro lift.
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Old 06-27-2013, 01:07 PM   #35
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Keep looking.

I found a pod shop that'd do it for 175
I provided gears/fluids
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