2005-2009 Mustang Information on The S197 {Gen1}

Motive Ring/Pinion for 05 ?

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Old Nov 14, 2004 | 05:56 PM
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2005RedGT's Avatar
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Does anyone know for sure if the current 8.8" ring and pinion gears offered by Ford as well as others such as Motive, will work in the 05 read end ? I would like to order some 4.10 gears next week, but need some feedback first.
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Old Nov 14, 2004 | 07:34 PM
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From: New Jersey
I believe this to be true although not confirmed.
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Old Nov 15, 2004 | 10:11 AM
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I spoke with Ford Racing - they ARE the same. So I have order some 4.10 Motive Gears and install kit.

I have an AUTO so once they are in, I will update everyone on the ride after install.
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Old Nov 15, 2004 | 11:12 AM
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Does the 2005 require any tuning to accommodate the gear change, or will the computer compensate for it automatically?
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Old Nov 15, 2004 | 11:57 AM
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From what I know, the computer flash takes care of this. I am having this done this weekend. More info here :

www.sctflash.com

XCalibrator is the product, along wiht Quicktune.

After saturday, I will provide an update this weekend, when the lowering springs, 4.10 gears, dyno and computer re-program area all done.
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Old Nov 19, 2004 | 02:03 PM
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I just got back from the shop where I had 4.10 installed on my 2005 GT / Auto. It made a huge performance gain as well as off the line performance.
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Old Jun 29, 2005 | 06:59 AM
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Bryan,

Not that they've been in for awhile, any problems?

I'm thinking about 4.10's in my 05 GT conv, but want to make sure it's a good move before I dive in.

You happy? Any side effects?

Any advice, guidance or comments are greatly appreciated.

What set did you get? Brand? Blace? etc.

Tom
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Old Jun 29, 2005 | 07:02 AM
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No issues, no whine, no noise at all. I love the 4:10 gears, I think they are a great street gear. I puchased the Motive gears and have been very happy with them. As far as guidance, make sure you get a mechanic who knows how to install gears

-Bryan
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Old Jun 29, 2005 | 07:12 AM
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Will that kill you gas mileage? Would going the other way help gas mileage? Just wondering out loud....Thanks
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Old Jun 29, 2005 | 08:24 AM
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when I put 3.73s in my '98, the word was that it would improve the in-town gas milage, but kill the highway milage... it killed it all accross the board, but only because I couldn't keep my foot out of it long enough to do the experiment. I loved it.... and when I get my '06, that's one of my first stops...
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