Anyone go back from 3.73 gears? - Mustang Evolution

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Old 10-02-2013, 08:04 AM   #1
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Anyone go back from 3.73 gears?

My 2013 V6 came with the 2.73 rear. I had 3.73 gears installed and have a Bama tune for it. I don't like it. Not very smooth. I like the takeoff acceleration.........a lot. But I don't like the bumps through the gears. I'm not sure if this is a product of the tune or the gears. On my tune request for the 3.73 I asked for a smoother shift so I guess this is the best that can be had. I know mushy shifting is not ideal, but on a new car, the bumps felt when shifting just isn't for me. Sometimes going into reverse you barely feel it. Other times the shift is like dropping it into gear with maybe 1000rpm on the engine. A definite bump and the car rocks a bit. I'm sort of bummed since I put out quite a bit of money for a tuner and a gear install. And now, most likely another gear install.
I do have a question, if I get the 3.31 like the car comes with on a different trim level, can Ford give it a factory tune for the 3.31? Or is my computer code for the car strictly for a 2.73 rear? If that's going to be a hassle, I'll just restore it back to stock.
Oh, and I tried the 93 and 87 tunes, right now it's 87 street tune.
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Old 10-02-2013, 08:17 AM   #2
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They can mod it to a 3.31, like the performance package. This is according to my dealer. They will be installing the 3.31's for me.
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Old 10-02-2013, 08:28 AM   #3
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Give American Muscle a call and they can probably re tune the hard shifting for you. Snapping into the next gear is great for drag racing but sure can be annoying while just cruising around on the street. If everything else on your tune is working for you I'm sure that The Bama guy can fix the hard shifting issue without much of a problem.

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Old 10-02-2013, 08:58 AM   #4
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Originally Posted by lcseds View Post
My 2013 V6 came with the 2.73 rear. I had 3.73 gears installed and have a Bama tune for it. I don't like it. Not very smooth. I like the takeoff acceleration.........a lot. But I don't like the bumps through the gears. I'm not sure if this is a product of the tune or the gears. On my tune request for the 3.73 I asked for a smoother shift so I guess this is the best that can be had. I know mushy shifting is not ideal, but on a new car, the bumps felt when shifting just isn't for me. Sometimes going into reverse you barely feel it. Other times the shift is like dropping it into gear with maybe 1000rpm on the engine. A definite bump and the car rocks a bit. I'm sort of bummed since I put out quite a bit of money for a tuner and a gear install. And now, most likely another gear install.
I do have a question, if I get the 3.31 like the car comes with on a different trim level, can Ford give it a factory tune for the 3.31? Or is my computer code for the car strictly for a 2.73 rear? If that's going to be a hassle, I'll just restore it back to stock.
Oh, and I tried the 93 and 87 tunes, right now it's 87 street tune.
I have 3:73 gears on my 11 v6 and run bama tunes. I love the gears and the tune. I have never experienced what you have encountered. The tune is designed to give you firmer shifts. Not sloppy long shifts. Forget going back, move forward. Lol..
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Old 10-02-2013, 09:08 AM   #5
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Old 10-02-2013, 09:39 AM   #6
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Quote:
Originally Posted by lcseds View Post
My 2013 V6 came with the 2.73 rear. I had 3.73 gears installed and have a Bama tune for it. I don't like it. Not very smooth. I like the takeoff acceleration.........a lot. But I don't like the bumps through the gears. I'm not sure if this is a product of the tune or the gears. On my tune request for the 3.73 I asked for a smoother shift so I guess this is the best that can be had. I know mushy shifting is not ideal, but on a new car, the bumps felt when shifting just isn't for me. Sometimes going into reverse you barely feel it. Other times the shift is like dropping it into gear with maybe 1000rpm on the engine. A definite bump and the car rocks a bit. I'm sort of bummed since I put out quite a bit of money for a tuner and a gear install. And now, most likely another gear install.
I do have a question, if I get the 3.31 like the car comes with on a different trim level, can Ford give it a factory tune for the 3.31? Or is my computer code for the car strictly for a 2.73 rear? If that's going to be a hassle, I'll just restore it back to stock.
Oh, and I tried the 93 and 87 tunes, right now it's 87 street tune.
The firmer/harder shifts are definitely not for everyone. It does add a lot of performance but I completely understand your point of view on the aggressive shift points on a brand new car.

Give the Bama team a call and they will gladly make your tune a little less aggressive and clean your tune up! Our Bama Performance tuning specialists are here in the building Monday-Friday from 9AM-5:30PM EST and Saturday 9AM-5:30PM EST. You can hit them up directly at 888.226.9764 and they'll get you squared away!

-Dan
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Old 10-02-2013, 10:37 AM   #7
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Originally Posted by AMDanBailer View Post

The firmer/harder shifts are definitely not for everyone. It does add a lot of performance but I completely understand your point of view on the aggressive shift points on a brand new car.

Give the Bama team a call and they will gladly make your tune a little less aggressive and clean your tune up! Our Bama Performance tuning specialists are here in the building Monday-Friday from 9AM-5:30PM EST and Saturday 9AM-5:30PM EST. You can hit them up directly at 888.226.9764 and they'll get you squared away!

-Dan
I hated the factory shift points on my 11 v6. It would constantly jerk from 1st to 2nd gear when accelerating slowly. They were sloppy soft shifts that would jerk and the car would thrust forward but not in a good way. Jerky motion that is god awful. AM doesn't set the shift points that firm to the point there banging. There perfect shift firmness and a must have for a performance machine like a mustang.
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Old 10-02-2013, 12:14 PM   #8
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If you do change gears again I'll give you $70 for the gears.
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Old 10-02-2013, 01:12 PM   #9
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I'll get my computer code and give Bama another shot at the tune. See what happens from there. Thanks for the input folks.
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Old 10-02-2013, 09:41 PM   #10
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The firmer shifts will help the transmission last longer if that helps you in your desision. Soft shifts are when the clutches in the automatic slip, which over time accelerate their wear.

I prefer the firmer shifts for both the performance, and the longer transmission life. Automatic transmission fluid changes every 30K will also extend the life of an automatic. Ford claims "liftime" fluid is installed, and says you can go over 100K, but I use the old school for automatic transmission oil changes.
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Old 10-03-2013, 04:51 AM   #11
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Any update on this? I want a Bama tune real soon myself.
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Old 10-03-2013, 05:36 AM   #12
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Any update on this? I want a Bama tune real soon myself.
Update on what? No need to delay.
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Old 10-03-2013, 09:39 AM   #13
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I'll get my computer code and give Bama another shot at the tune. See what happens from there. Thanks for the input folks.
That sounds good! We can definitely get this right for you, just work closely with the Bama team and make sure you tell them what you're after. We can write your tune entirely custom for YOUR driving habits!

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Old 10-08-2013, 07:40 AM   #14
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Talked with Don at Bama. Told him what I was looking for. He suggested a minor tweak to my plan and he sent me some new tunes. Minor glitch that was resolved quick and I am good to go. The car shifts smooth again and has a slight increase in firmness during WOT. This is what I was looking for. Decent performance with the smooth shifting.
Side note: While "airing" out the new tunes, my accelerator pedal got stuck in the floor mat. Wasn't sure it was the carpet right away and thought the pedal jammed somehow. Back in the old days you had to stand on the brake and get it pulled over until you shut it off. I see these new cars clip the acceleration when the brake is applied. Lift the brake, open throttle again. That was fun. I thought with the new tunes she was taking me for a ride!
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Old 10-14-2013, 09:21 AM   #15
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I should have bought my car instead of leasing reading about all these tunes are making me mad lol. Guess I will just have to wait for my warranty to be up and the lease is over.
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