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Old 09-24-2012, 08:26 AM   #1
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new 3.73 gears

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Put 3.73's in the 07 GT. I believe that this should have been the first modification. Combined with a 5 speed trans it's really a fun car now. Seriously it's like buying a new car.
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Old 09-24-2012, 08:37 AM   #2
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Quote:
Originally Posted by Always broke

Put 3.73's in the 07 GT. I believe that this should have been the first modification. Combined with a 5 speed trans it's really a fun car now. Seriously it's like buying a new car.
373 ain't that great unless u didn't have the factory 3.55, but anyways good for u
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Old 09-24-2012, 10:39 AM   #3
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re: new 3.73 gears

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Originally Posted by Always broke View Post
Attachment 69900

Put 3.73's in the 07 GT. I believe that this should have been the first modification. Combined with a 5 speed trans it's really a fun car now. Seriously it's like buying a new car.
That's why you're Always broke, another mod

It looks good
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Old 09-24-2012, 11:45 AM   #4
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Thanks
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Old 09-24-2012, 08:41 PM   #5
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Did you go to 3:73 from 3:55?
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Old 09-24-2012, 10:35 PM   #6
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Do you like the 3.73's?! Cause im gonna buy some soon to match my centri supercharger im also gonna buy! Wanna know if they are worth it?!
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Old 09-24-2012, 10:36 PM   #7
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No from a 3.31
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Old 09-25-2012, 01:59 PM   #8
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I believe is the best money I ever spent on a car....
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Old 09-25-2012, 02:05 PM   #9
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This is the part of the install I got a little nervous.
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Old 09-25-2012, 07:42 PM   #10
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I can't wait I'm having the 373 put in this week and I have stock 327 should be a big difference can't wait to enjoy it like you guys
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Old 09-27-2012, 09:47 AM   #11
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Quote:
Originally Posted by Always broke
This is the part of the install I got a little nervous.
Nervous but was it hard to do I just bought my gears want to install them but I want to know what I'm up against lol
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Old 09-27-2012, 09:59 AM   #12
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Does the v6 come with 331s? My diff cover had 331 on it when I changed out the rear seals & fluid.
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Old 09-27-2012, 10:21 AM   #13
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Does the v6 come with 331s? My diff cover had 331 on it when I changed out the rear seals & fluid.
Yes. So did my 08 GT
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Old 09-27-2012, 10:26 AM   #14
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Quote:
Originally Posted by muscledom

Yes. So did my 08 GT
Hmm I figured the GT would be geared higher than the sixxes
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Old 09-27-2012, 11:03 AM   #15
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Originally Posted by silvrskoundrel

Hmm I figured the GT would be geared higher than the sixxes
Yea they had 355s before 08.
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Old 09-27-2012, 11:09 AM   #16
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Mine is an 06 and came with 327
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Old 09-27-2012, 11:34 AM   #17
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Mine is an 06 and came with 327
Never heard of it. Learn something new everyday I guess lol
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Old 09-27-2012, 11:46 AM   #18
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Well that is what the sticker said on the axle cover so I hope that's what it came with
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Old 09-27-2012, 03:25 PM   #19
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If that's what the sticker says on the axle cover that's what it has in it
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Old 09-27-2012, 04:30 PM   #20
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If that's what the sticker says on the axle cover that's what it has in it
Unless ford racing says other wise...
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Old 09-28-2012, 09:07 AM   #21
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You can call the dealership with your VIN. Or if you need a fluid

---------- Post added at 09:07 AM ---------- Previous post was at 09:05 AM ----------

Damn small screen. Like I was saying if you need a fluid change the gear ratio is stamped on the pinion gear. You can read clearly when you remove you axle cover.
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Old 09-28-2012, 08:48 PM   #22
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I know its a different car and gear but i had a 96 auto gt (now have an 05) with an 04 gt motor and it had dead 323s. I installed 4.10s myself and i never woke a car up more then with that gear swap. Totally different car just hatedddd highway speeds lol. Gears i feel are your biggest bang for your buck and installing yourself saves tones of money
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Old 10-04-2012, 12:30 AM   #23
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Quote:
Originally Posted by BlacknRed05gt
I know its a different car and gear but i had a 96 auto gt (now have an 05) with an 04 gt motor and it had dead 323s. I installed 4.10s myself and i never woke a car up more then with that gear swap. Totally different car just hatedddd highway speeds lol. Gears i feel are your biggest bang for your buck and installing yourself saves tones of money
Was it difficult to install I just bought 4.10s and want to install them myself but not sure if its too
Difficult for me
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Old 10-04-2012, 01:36 AM   #24
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Look it up, you really need experience to do it and tools
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Old 10-04-2012, 04:46 AM   #25
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Quote:
Originally Posted by Terminator

Was it difficult to install I just bought 4.10s and want to install them myself but not sure if its too
Difficult for me
Its a pretty tough install especially without a rack. If you haven't done it before or don't have a friend who has experience I would suggest you take it to a shop and have a professional do it. You won't regret it, money well spent.
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Old 10-04-2012, 09:21 AM   #26
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Originally Posted by Caster Troy

Its a pretty tough install especially without a rack. If you haven't done it before or don't have a friend who has experience I would suggest you take it to a shop and have a professional do it. You won't regret it, money well spent.
I did it myself in my shop and it

---------- Post added at 09:21 AM ---------- Previous post was at 09:20 AM ----------

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I did it myself in my shop and it
Stupid app didnt let me finish. I did it myself and it was tough have someone do it
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Old 10-04-2012, 12:38 PM   #27
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Quote:
Originally Posted by Caster Troy

Its a pretty tough install especially without a rack. If you haven't done it before or don't have a friend who has experience I would suggest you take it to a shop and have a professional do it. You won't regret it, money well spent.
Here in Cali no 1 wants to do it for less than 600
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Old 10-04-2012, 12:55 PM   #28
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You should come here to Illinois we do good work here for 300
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Old 10-04-2012, 01:56 PM   #29
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Quote:
Originally Posted by muscledom

Yea they had 355s before 08.
I thought that 355s were standard on 08+. I have an 07 and it came with 331. And my fathers 08 came with 355.
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Old 10-04-2012, 02:29 PM   #30
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I thought that 355s were standard on 08+. I have an 07 and it came with 331. And my fathers 08 came with 355.
I dunno man lol. In my mustang bible it says 3.31 but I'm sure there were different options.
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Old 10-04-2012, 02:48 PM   #31
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Was it difficult to install I just bought 4.10s and want to install them myself but not sure if its too
Difficult for me
Its a pretty big job,,

---------- Post added at 01:48 PM ---------- Previous post was at 01:46 PM ----------

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Mine is an 06 and came with 327
Mine a 06 auto,,it came with 331,,i assume 355,,but the cover said 331..
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Old 10-04-2012, 08:20 PM   #32
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Quote:
Originally Posted by MavyMav

I thought that 355s were standard on 08+. I have an 07 and it came with 331. And my fathers 08 came with 355.
In 07 3.55 was an option.
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Old 10-04-2012, 10:48 PM   #33
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It was an option in 08…
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Old 10-05-2012, 12:05 PM   #34
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Swaping rear gears is really no big deal its not hard its just time consumming because its not just a simple bolt on and you need to have the proper tools for the job Like a dial indicator and toqure wrench's besides your basic hand tools.
The swaping of parts is easy getting it set up right is what takes time but its not hard. Here is a real good how to link with pic's that explanes the process take a look and see if its something you guys that have never done this mod think you can handle rear gear how to
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Old 10-05-2012, 02:17 PM   #35
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Swaping rear gears is really no big deal its not hard its just time consumming because its not just a simple bolt on and you need to have the proper tools for the job Like a dial indicator and toqure wrench's besides your basic hand tools.
The swaping of parts is easy getting it set up right is what takes time but its not hard. Here is a real good how to link with pic's that explanes the process take a look and see if its something you guys that have never done this mod think you can handle rear gear how to
I agree with this I did it its not hard if you have an idea about how to do it then do it honestly just read alot on how to. Latemodel restoration has a link on step by step on how to do it I used that. And I used ford racing gears and was able to re-use the shims only ford racing allows you to do that. And i also had my father on the phone to help with questions. If you go with ford racing gears you can re-use the shims which cuts out alot of the measuring and what not i didnt use a dial indicator and ny rear didnt make noise and held up great with,no probs. Feel free to p.m for any tips and questions im always up to help
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