Which gears for a '14 GT? - Ford Mustang Forum
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post #1 of 16 (permalink) Old 12-18-2013 Thread Starter
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Which gears for a '14 GT?

I am in the process of "building" a new GT on the Mustang site and I noticed there are three different rear end gears available. Is there a consensus as to which gears are best for street use?
The last Mustang GT I had, an '86, had 3.55 which, if memory serves me, I had installed. I think the stock gears were 3.08.
Thanks for any input.

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post #2 of 16 (permalink) Old 12-18-2013
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Quote:
Originally Posted by vger105 View Post
I am in the process of "building" a new GT on the Mustang site and I noticed there are three different rear end gears available. Is there a consensus as to which gears are best for street use?
The last Mustang GT I had, an '86, had 3.55 which, if memory serves me, I had installed. I think the stock gears were 3.08.
Thanks for any input.
I suspect it depends what you want the car for. The Brembo and Track Pack comes with 3.73 gears. So if you are looking for more performance and more power/torque at lower RPMs 3.73 is the way to go.

I got my 2014 GT 3 months ago. It was a Base model they had on the lot with 2 options, the Tech Package, and 3.73 gears. I grabbed it as soon as I saw it. I had a vision for the car and what I wanted to do to it. See my mods below. Clearly I am looking for performance.

I have never driven a newer GT (11-14) with anything other than 3.73 gears, so I can't speak to the other gears. But keep in mind the gears are short with the 3.73. Some people will say 1st gear is unusable with 3.73s. This is simply not true.


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post #3 of 16 (permalink) Old 12-18-2013
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Some people will say 1st gear is unusable with 3.73s. This is simply not true.
I have 3.73's and agree with you. Plus I can pull out of a turn in 4th gear at 20 mph so less shifting in low speed city use.
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post #4 of 16 (permalink) Old 12-18-2013
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I have 3.73's also and agree with the previous posts. 1st gear is far from useless. It compliments the 5.0 engine perfectly. Yes it is short, but it does put the power down. If at times you get tired of the short 1st gear, you always have the option of starting out in second. Works fine.

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post #5 of 16 (permalink) Old 12-18-2013
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I love my 3.73s (had them in my Fox too) but I've always preferred lower gears. I don't think 1st is useless at all.


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post #6 of 16 (permalink) Old 12-18-2013
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The 3.73's fit my driving style perfectly, wouldn't want any other ratio.....unless maybe 4.10's!
Jedi D.

2014 Mustang GT Coupe Premium. Options include: California Special package, comfort package, navigation, glass roof, shaker pro system, 3.73 ratio limited slip axle, GT front grill/fogs, MGW race spec shifter, BBK X-Pipe, Corsa GT500 Quad Sport axle-back, Ford Racing ProCal tune. "If I wanted insane HP, I would have purchased a 2014 Shelby GT500!"
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post #7 of 16 (permalink) Old 12-19-2013
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Call me crazy, but I'm switching from 3.55 to 3.31. Less shifting while on track or running autocross.

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post #8 of 16 (permalink) Old 12-19-2013
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Quote:
Originally Posted by HarrishMasher View Post
Some people will say 1st gear is unusable with 3.73s. This is simply not true.
^ This.

I was concerned about having an unusable 1st gear when I ordered my 2014 GT with 3.73. I found people's comments about this to be completely false. I virtually always start out in 1st gear, and love the strong torque that I get in that gear, accompanied by the satisfying chirp of my tires. Starting out in 2nd makes for too sluggish a start for my tastes.

I think I get up to about 20 mph in 1st, and then a quick shift into 2nd gets me quickly up to speed on my streets. From there I often skip gears to settle into a cruising speed.

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post #9 of 16 (permalink) Old 12-19-2013
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I had 3.73 gears for two years in my 2011 GT and I loved them. The performance was perfect for me and the gas mileage was awesome (18-19 city and 25-26 hwy). I used 1st gear 99.9% of the time only occasionally taking off in 2nd just to see how it felt. It can be done but 1st gear was my preference.

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Quote:
Originally Posted by HarrishMasher View Post
The Brembo and Track Pack comes with 3.73 gears.
Half true, Track Packs only come with 3.73.s (because it uses the same setup as the Boss) The regular Brembo cars are available with any of the optional gear sets unless you order a Brembo with an automatic (13-14 only) then your stuck with 3.15's.

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I have a Brembo car with 3.31's, so not all Brembo cars come with 3.73's (well at least in 2012 they didn't).

I hate the gearing. Way too short. I would much rather have 3.08's.

Also note that the only two competitive/track/race drivers that have chimed in (that I know of) are me and csamsh. And we both think the car is geared too short.

And this isn't Tech, it is an opinion thread. Moved.

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I've got 3.73's.

Sure, if your intentions are to drive course tracks then you probably would want a smaller gear. But for smile factor (and drag strip) the 3.73 makes your Mustang feel like what it's supposed to feel like.

I'll take that launch with some drag radials any day on a drag strip (over turning left and right back and forth over and over)

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Quote:
Originally Posted by sqidd View Post
I have a Brembo car with 3.31's, so not all Brembo cars come with 3.73's (well at least in 2012 they didn't).

I hate the gearing. Way too short. I would much rather have 3.08's.

Also note that the only two competitive/track/race drivers that have chimed in (that I know of) are me and csamsh. And we both think the car is geared too short.

And this isn't Tech, it is an opinion thread. Moved.
Yeah you have no idea how much the "3.73's and track pack" thing is killing me for the 2015's. Of course, we know that "track pack" isn't really a serious term.

I would love to buy a car with 14" front brakes, Torsen, and 3.31 gears. I don't think that combo will be available though. Oh how I hate option packages...

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Quote:
Originally Posted by 2014MustangGT View Post
I've got 3.73's.

Sure, if your intentions are to drive course tracks then you probably would want a smaller gear. But for smile factor (and drag strip) the 3.73 makes your Mustang feel like what it's supposed to feel like.

I'll take that launch with some drag radials any day on a drag strip (over turning left and right back and forth over and over)
Found the guy who's never been on a track!

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You actually found a guy that is BAD on a road course (or bad by how I would like to be)

It takes a lot more skill to drive a road course then it does to drive in a straight line (obviously) it's just more thrilling to me to rocket ahead.

I had 3.73 in my last Mustang and I would do horrible on the track. My buddy had a 3.23 (which I drove and it was much easier/better)


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MODS: FRPP 2.3L Whipple / FRPP GT500 Axle Back / FRPP Short throw shifter with bracket / FRPP Adjustable Handling Pack / American Racing Long Tube Headers (with H-Pipe) / BMR LCA with relocation brackets / BMR UCA with mount / DSS 1-piece Carbon Fiber Driveshaft / McLeod Flywheel & RST Twin Disc Clutch / Forgestar Piano Black CF5V 19x9, 19x10 / MT 305/35ZR19 ET Radial & MT 255/40ZR19 Street Comp Tires
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