3.73 gears - how much labor involved - Mustang Evolution

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Old 02-22-2007, 06:34 PM   #1
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Exclamation 3.73 gears - how much labor involved

Prices on these gears are not very much! What's the catch, anyone know what is involved w/getting new gears on their mustang? Skeptic about what amount of labor should be involved and what else I would have to BUY to get the gears to be a benefit and not a detriment to the car
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Old 02-22-2007, 06:36 PM   #2
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Re: 3.73 gears - how much labor involved

Just get the ring and pinion and install kit and go to a reputable shop to get them installed. I would definately not recommend doing them yourselves. There are little things like shims, where if you get them wrong, you will have whine and could possibly grenade the rear end. Also what yr is your car? That would determine whether or not you need something to reprogram the computer or buy an aftermarket piece to calibrate the speedo.
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Old 02-22-2007, 06:39 PM   #3
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Re: 3.73 gears - how much labor involved

If you are going to put gears on a V6, go ahead and buy a T-lok unit for the rear end so both tires will get you traction. It doesn't require anymore labor and will be well worth the money.
Also, make sure you get 7.5" gears, the V6 does not have the 8.8
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Old 02-22-2007, 08:06 PM   #4
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Re: 3.73 gears - how much labor involved

2002 v6. I believe the 7.5" gears are the 3.73:1 gears right? I thought I saw something called a speedcal or something like that , but as far as the"Kit", i have no idea whats included or where online to find and price those. The TLok is a must when I get the gears, but I dont know which one to go with, I see there are a few out options(whats that all about?)
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Old 02-22-2007, 08:56 PM   #5
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Re: 3.73 gears - how much labor involved

a good install is great, a bad one can plauge your car for a very long time and become EXTREMLY expensive, far more than having it done right the first time. Just make sure you go to a VERY good shop that KNOWS how to install gears and you have a warranty WRITTEN that will fix any gear whine or breakage and you should be good. Expect to pay 200-400 for the install.
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Old 02-22-2007, 08:56 PM   #6
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Re: 3.73 gears - how much labor involved

Quote:
Originally Posted by chris7869 View Post
2002 v6. I believe the 7.5" gears are the 3.73:1 gears right? I thought I saw something called a speedcal or something like that , but as far as the"Kit", i have no idea whats included or where online to find and price those. The TLok is a must when I get the gears, but I dont know which one to go with, I see there are a few out options(whats that all about?)
for an auto go 4.10s for a manual go 3.73s end of discussion. Also get a ford oem tlok unit, it will do the job just fine.
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Old 02-23-2007, 09:50 AM   #7
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Re: 3.73 gears - how much labor involved

I paid 100 bucks to get my gears done in my car, just get everything you need as Spec said if done wrong its gonna make your headaches increase by a thousand
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Old 02-23-2007, 10:52 AM   #8
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Re: 3.73 gears - how much labor involved

sweet!
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Old 02-23-2007, 12:59 PM   #9
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Re: 3.73 gears - how much labor involved

On the TLock - Looked up Ford Racing Performance Parts and found "7.5 traction-lok LIMITED SLIP DIFF (M-4204-C75). Is this the Ford OEM part or is this something more? goes for $220 & gears $189. Still couldnt find anything on a kit to to get the gears in, but i will keep looking.
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Old 02-23-2007, 01:19 PM   #10
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Re: 3.73 gears - how much labor involved

check Ford & Ford Racing Performance Parts - GEFRacing.com they'll have it there
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Old 02-23-2007, 05:05 PM   #11
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Re: 3.73 gears - how much labor involved

Alright, who ever reads this thread in the future will know exactly what to do. These are the related parts the Site gives for the 3.73 ring & pinion:

"Friction Modifier(Looks like a bottle of lube), speedo Recalibrator 2001/up which Works on most Ford vehicles that come with square shaped connector on the speed sensor • Manual transmission only • Corrects speedometer, odometer, ABS, and cruise control system errors related to changes in axle ratio or tire size •But it states to check your speed sensor connector before purchasing . Where do I find that, lol?

If all above is correct I should Just bring my Tlok and they should be able to install both w/o an extra charge, or will a shady shop try to charge me seperately for each.
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Old 02-23-2007, 05:36 PM   #12
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Re: 3.73 gears - how much labor involved

technically the same amount of work goes into installing geras as it does a tlok and gears... as you have to remove the tlok unit and the ring gear from it in either case so NO they should NOT charge you any more unless they are trying to screw you and think you dont know any better.

The tlok has all the bearings already installed I am nearly 100% sure the only other charge might be in extra shims to align it right~
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Old 02-23-2007, 05:58 PM   #13
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Re: 3.73 gears - how much labor involved

Shims, hhhmm:

In automotive engineering shims are commonly used to adjust the clearance or space between two parts. For example, shims inserted into or under bucket tappets control valve clearances. Clearance is adjusted by changing the thickness of the shim.

sound like throw in parts, what neihborhood might one expet to pay there? Sounds like just a wedge?
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