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Old 08-25-2016, 10:46 AM   #1
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gear ratio swap? are you happy?

what gears have you put in and are you happy with them? or what ratio do you wish you went to?
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Old 08-25-2016, 11:33 AM   #2
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got 3.73s on my 14 5.0, Love the acceleration but sometimes i wish i had 3.55 since it's super weak on the top end.
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Old 08-25-2016, 11:57 AM   #3
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Slightly bigger tire to offset to 3.55s


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Old 08-25-2016, 12:00 PM   #4
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Went 3.55 from 2.73 and I'm happy with them. Didn't want to go too high since it's my daily driver and also to prevent killing mpg on trips.


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Old 08-25-2016, 12:21 PM   #5
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im thinking 3.73 but was questioning 4.10.
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Old 08-25-2016, 12:39 PM   #6
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gear ratio swap? are you happy?

Idk how long you are willing to wait but I'll have my 3.73s in a month. You might see if there is a dealership with a v6 in your area with 3.55s. Take a test drive


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Old 08-25-2016, 12:41 PM   #7
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im just trying to plan on my off season projects
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Old 08-25-2016, 12:50 PM   #8
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3.73 s and 2500rmp going 70mph

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Old 08-25-2016, 01:03 PM   #9
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3.73 s and 2500rmp going 70mph

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how is your acceleration vs top end? not that I need to do 150 mph but don't want to run out of gearing at 120. if I could even hit that on the track
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Old 08-25-2016, 01:29 PM   #10
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how is your acceleration vs top end? not that I need to do 150 mph but don't want to run out of gearing at 120. if I could even hit that on the track
I went from the stock 3.27 to the 3.73s but I wasn t too wowed, its a little better but not what I was expecting. I m sure. 4.10s would be better for accerleration but not in the highway where your rpms would be near 3000 at just 70mph wasting more gas and putting more pressure on the engine so I m happy with the 3.73s

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Old 08-25-2016, 01:43 PM   #11
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Stock being 2.73 or 3.31?


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Old 08-25-2016, 07:04 PM   #12
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Stock being 2.73 or 3.31?


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Stock is 3.27 on a new edge.

OP what are your goals for the car? Auto or manual? Everybody is always concerned about top end but how often are you really driving 100+ mph? If I were to change gears in a bolt on new edge GT I would probably go 3.73s at the most personally.
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Old 08-25-2016, 07:25 PM   #13
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It's a 5 SPD. I'm looking at cams and possibly a turbo. I may just split the difference and go 3.90. I'm thinking occasional drag strip but I like to autocross too
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Old 08-25-2016, 07:52 PM   #14
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It's a 5 SPD. I'm looking at cams and possibly a turbo. I may just split the difference and go 3.90. I'm thinking occasional drag strip but I like to autocross too
Alright so haven't decided yet. 3.27s would be better for a turbo. 4.102 or 3.73s would be better for autocross, some off the other guy's may be able to have more input on those, ultimately the track length and style will decide what's best. I was crossing the traps at 5,500rpm in my old GT with stock rear tires, a T45, and 4.10s.

In all honesty gears aren't gonna give you the same feeling a legit torquey motor so it just comes down to what sort of mph you're looking for out of each gear.
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Old 08-25-2016, 09:08 PM   #15
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JDF I Have wondered into another world lol my b.


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Old 08-25-2016, 11:02 PM   #16
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JDF I Have wondered into another world lol my b.


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No worries, it's hard to know without asking
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Old 08-26-2016, 02:38 AM   #17
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I test drove numerous New Edge Mustang GTs with an assortment of gearings. For my driving habits the stock gearing did just fine.

I can tell you that there is a noticeable difference in 4.10s and stock. My car has 3.73s. 1st gear is shorter than I prefer, and freeway RPM is higher than I like. My car is babied though. It rarely sees 3000rpm.

I have only broken the worn out Potenza tires loose about 3 times. The road was wet every time (the tires stick like glue to the road).

Is a gear ratio swap worth the cost? I can honestly think of better things to put money into. This is my opinion though.

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Old 08-26-2016, 05:00 AM   #18
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I just put 4.10s in my 2002 gt...and man oh man is she woken up. Love love them, I would do it again. I do not drive on the highway much, but at about 70mph I am at about 26 or 2700 rims. They are a blast!!!!

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Old 08-26-2016, 05:11 AM   #19
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i rarely use 5th gear even on the highway. what are your rpms @ about 80-85 with the 4.10?
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Old 08-26-2016, 05:35 AM   #20
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Probably right around 3200. If you do a lot of highway driving 3.73s would probably suit you better. But light to light and around town 4.10s definitely. My car is a fair weather driver and to car shows.

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Old 08-26-2016, 06:00 AM   #21
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I do 32 miles to work and only 5-10 of it are highway.
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Old 08-26-2016, 06:15 AM   #22
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If you are set on a gear change I would advise 3.73s.


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Old 08-26-2016, 06:19 AM   #23
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Yeah if your driving that far I would say 3.73s.

2002 Mustang GT, Trick Flow plenum and TB, BBK catted x, Flowmaster super 10's, eibach lowering springs, 4.10s
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Old 08-26-2016, 07:17 AM   #24
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I like to take my car to Reno Nevada sometimes to gamble so its about 3 1/2 to 4 hours on the highway so I drive about 75-80

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Old 08-26-2016, 08:07 AM   #25
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Good info in this thread. I've always read 4.10 for auto, 3.73 for manual for a daily driven vehicle. 4.10 in a manual, you would be shifting a bunch. I'm mulling around with the idea of 3.73 on my 03 GT 5 -speed, but I wonder if going from stock 3.27 to 3.73 would really make a difference compared to the cost involved with swapping.


Only thing I can't stand currently is the car falls flat on its face on the shift from 4th to 5th. Seems like it's missing a gear..
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Old 08-26-2016, 09:33 AM   #26
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Good info in this thread. I've always read 4.10 for auto, 3.73 for manual for a daily driven vehicle. 4.10 in a manual, you would be shifting a bunch. I'm mulling around with the idea of 3.73 on my 03 GT 5 -speed, but I wonder if going from stock 3.27 to 3.73 would really make a difference compared to the cost involved with swapping.


Only thing I can't stand currently is the car falls flat on its face on the shift from 4th to 5th. Seems like it's missing a gear..
There is a HUGE gear ratio gap in our TR3650 transmissions between 4th and 5th. With the 3.73s my car sounds relieved to hit 5th gear.

If you and I were closer I would let you take my car out for a drive.

If you liked the gearing I would be willing to swap rear axle assemblies. That would put me back to factory specs.

I don't plan on giving up my MGW shifter though. I love that thing.

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Old 08-26-2016, 12:10 PM   #27
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3:73

I replaced the stock 3:31 with 3:73s beginning of summer. Big difference. Now drives how a mustang should, awesome. 2014 gt.
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Old 08-26-2016, 12:38 PM   #28
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2002 GT 4.6

I have stock gears and seriously considering 373's, anyone know how much a garage charges to do that job.. Roughly? Thanks all
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Old 08-26-2016, 12:40 PM   #29
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It's different everywhere depending on labor rates and if they let you supply your own parts. Best to call around in your area and ask. Around me its roughly $400 plus parts.
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Old 08-26-2016, 12:42 PM   #30
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Only shop I could even find to do mine was $500 plus the cost of the kit.


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Old 08-26-2016, 12:43 PM   #31
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That ain't bad, gonna check this weekend. I'm gonna buy them and have them install em. Thanks man!!
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Old 08-26-2016, 12:44 PM   #32
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install

I had my local ford dealer do the install to preserve my factory warranty. about $500, a couple speed shops around charge about 300 , but I would have needed a programmer to adjust speedo and would have warranty worries.

---------- Post added at 02:44 PM ---------- Previous post was at 02:43 PM ----------

those costs are labor only, does not include the gears.
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Old 08-26-2016, 12:45 PM   #33
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thanks

Oh I have a 5 speed. I appreciate it..Gonna check around this weekend !!
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Old 08-26-2016, 12:45 PM   #34
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It's on my list...after throttle body and programmer.
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Old 08-26-2016, 12:49 PM   #35
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Sweet

Sweet, I just installed a 78mm BBK throttle body, I'll get the tune after gears.. Good Luck ..
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