3.55 gears by itself?

[Tamadrummer88]

Can you get the 3.55 gears separately from the PP? I notice its a $357 option but when i select it on the build and price it automatically selects the PP.

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[Potrillo]

Yes, I have them on mine. It was dealer stock though so I don't know how they did it.

 

[Melekith]

So when the dealer has a car or two already on the lot and the window sticker says it has the 3.55 is there a way that you can know for sure? Or are you simply trusting what's noted on the window sticker?

 

[anotherneon]

So when the dealer has a car or two already on the lot and the window sticker says it has the 3.55 is there a way that you can know for sure? Or are you simply trusting what's noted on the window sticker?

its a factory installed option, if its on the window sticker it should be on the car. You can also check the RPM to speed and see that way.

 

[Potrillo]

So when the dealer has a car or two already on the lot and the window sticker says it has the 3.55 is there a way that you can know for sure? Or are you simply trusting what's noted on the window sticker?

Seems like a silly thing for a dealer to risk fraud charges and possibly the loss of their franchise over. Yes, I will place my faith on the window sticker accurately depicting the options on the car.

 

[Farmundeh]

I believe you get 3.73 gears with the PP. I have the 3.55 on mine, I was able to add it on as an individual option when I ordered my car.

 

[Mountain376]

I don't really understand why Ford makes 3.73's standard with the performance package on the GT. With the MT-82 it makes shifting way too busy, 1st gear is almost useless and 2nd gear is OK, but still a little too quick. Even with the 6R80 automatic the shifts are a little busy. The 3.55's are the best compromise, out of the available final drive ratios, between straight-line acceleration and driveability.

I can maybe see where Ford wants to get themselves the best shot with the 0-60MPH stats in the magazines, but, at the same time, I don't see that time changing all that much going with a 3.55 - probably nill.

I actually went from 3.73's to 3.31's in my car (2012 GT) and can't imagine going with any gear numerically higher! In all actuality, I'd almost go down to a 3.27 with the MT-82's ratios. Oh, and I've driven my buddy's car that is the same as my car but has 3.55's. This is all with about ~27" overall diameter tires too! I think the 2015 cars are ~27"-27.4".

 

[Tamadrummer88]

Im sorry, i forgot to mention I'm asking about the EcoBoost.

 

[Melekith]

Seems like a silly thing for a dealer to risk fraud charges and possibly the loss of their franchise over. Yes, I will place my faith on the window sticker accurately depicting the options on the car.

Right I was thinking the same thing!

I believe you get 3.73 gears with the PP. I have the 3.55 on mine, I was able to add it on as an individual option when I ordered my car.

Im sorry, i forgot to mention I'm asking about the EcoBoost.

3.15 is standard on the V6, you have the option to go to a 3.55

3.31 is standard on the EcoBoost, you can get the 3.55 but I believe you have to get the entire EcoBoost performance package to do so

3.31 is standard on the GT, you have the option to go to a 3.55, or you can get the 3.73 but I believe you have to get the entire GT performance package to do so

I don't really understand why Ford makes 3.73's standard with the performance package on the GT. With the MT-82 it makes shifting way too busy, 1st gear is almost useless and 2nd gear is OK, but still a little too quick. Even with the 6R80 automatic the shifts are a little busy. The 3.55's are the best compromise, out of the available final drive ratios, between straight-line acceleration and driveability.

I can maybe see where Ford wants to get themselves the best shot with the 0-60MPH stats in the magazines, but, at the same time, I don't see that time changing all that much going with a 3.55 - probably nill.

I actually went from 3.73's to 3.31's in my car (2012 GT) and can't imagine going with any gear numerically higher! In all actuality, I'd almost go down to a 3.27 with the MT-82's ratios.

I've never actually driven a car with a 3.73 rear end, so if I did it would be new to me. But considering that my Mustang, when purchased, will be a minimum 9-month daily driver for me (possibly year round) I'm almost turned off by the PP for that reason alone. I understand it will come down to personal preference, but if I'm going to be rowing the gears year round, for the next several years, I'd rather take the comfort over the slight performance gain. And said performance gain really only matters if you can hook up 1st gear out of the gate to begin with yeah?

 

[Mountain376]

I've never actually driven a car with a 3.73 rear end, so if I did it would be new to me. But considering that my Mustang, when purchased, will be a minimum 9-month daily driver for me (possibly year round) I'm almost turned off by the PP for that reason alone. I understand it will come down to personal preference, but if I'm going to be rowing the gears year round, for the next several years, I'd rather take the comfort over the slight performance gain. And said performance gain really only matters if you can hook up 1st gear out of the gate to begin with yeah?

The Performance Package has some nice features, but unless you 1. really want the wheels/tires for warm weather driving (definitely get snows if you drive year around) or 2. plan on doing autocross or some track days, you probably don't need the PP and would be better off spending the money that you would have on that package on other things/upgrades.

The springs, shocks and maybe even the tires and wheels are dumped by most enthusiast, and those are the major parts of the PP. The PP shocks/"dampers" are, from I hear, fairly good for stock and are OK to use with some of the available lowering springs. The Torsen is a very nice upgrade for track and daily driving, but the clutch LS is just fine for daily and some track use. The 15" front brakes aren't essential for track/performance use. The ~14" stock front Brembos are completely adequate for most track/performance use (upgrade the pads and fluid) and are awesome for daily (I would NOT personally buy a new Mustang without the ~14" Brembos - that would be a deal killer for me from not having them in the past and upgrading to them eventually). So, like I said, unless you have a real want or need for the PP (i.e. just like it or Street/Stock autocross), you probably can skip it as the car without it is still pretty damn good.

Back to something on-topic:

I also had a 2012 V6 Performance Package car for a while. That car had the 3.31 gears as part of the package. I would say, for the V6, the 3.31's would be a minimum and a 3.55 or even a 3.73 would be the better option. I've driven 2.73 geared V6 Mustang's with the V6 (again, 3.7L) and they just were not the same as far as acceleration and fun as a 3.31 equipped car (almost night and day difference). I could beat a lot of V8 cars (4.6L 3V Mustangs, LT-equipped GM cars) off the line and beat or came close to beating many in the 1/4-mile (13.76 the one day I went to the drag strip). I highly doubt a lesser-geared V6 could have come close.

That said, a 3.55 rear gear in the EcoBoost is probably, from my experience, a pretty good choice considering the low-end torque, transmission gear ratios and weight of the car. Plus the EcoBoost cars aren't set up, from the factory, to make much high-end power, so you don't want a rear gear that will constantly be throwing the engine in the higher rev-ranges (a reason going to a 3.73 might be iffy). I would do the PP though for the wheels and Brembo brakes, but if you don't performance drive the car, the standard brakes are fine, especially since the '15 standard brakes are better than the '11-'14 standard brakes.

 

[TeddysStang]

I have the 3.55 gears on my GT Premium

 

[Sixer]

not clear about this

in the US brochure page 21 Mechanical, the EcoBoost is listed as having a 3.31 axle for the Manual.
Available Options, the Auto has a 3.15 axle.

I'm interested in a convertible and on the BuildPrice page Summary what's listed is 3.31 for the Auto,
and Base EcoBoost Auto on the Summary page list the 3.15 axle

so, clarification and confirmation is required before ordering - unless I'm mistaken

my choice is Man with the 3.31 axle, which is right between the 3.15 and 3.55 axles, and
it's not worth it imo to pay to go up to the 3.55 .

may choose the V6 Man convertible which has a 3.15 axle, so will buy the 3.55 axle.

 

[Ylow281]

I'm curious to the OP's question also. I'm looking into a base auto EB. I believe it comes with 3.15's. The online builder will let you pick 3.31's but it doesn't add it to the price of the car. If you choose the 3.55's it makes you select the whole EB PP. So can I at least get the 3.31's???

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