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Old 4/20/13, 11:03 PM
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Better gears

I have a 2012 5.0 automatic what gears r better for me
Basically just need it to have a good launch n to keep up w it
U could say a light to light for example n that will b good on the freeway to launch
Old 4/21/13, 01:48 AM
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I have an auto. The 3.15 gears are fine because first and second are so steep in the 6r80. Just tune it! a stall converter& 3.15 gears with drag radials will net you 11.30's-11.40's. If anything get a stall converter. I run low 12's with a cai/tune only. It's all up to you really.
Old 4/21/13, 04:50 AM
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You have the perfect gears believe it or not. Invest your money in a converter.
Old 4/22/13, 05:17 AM
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Funny thing actually. I have a 2013 a6 and my dd is a f-350 4x4 with 3.73s. The f-350 turns less rpm at 70 then my car with stock gearing.
Just thought the results of that would be different.
Old 4/23/13, 11:00 PM
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Originally Posted by going for broke
Funny thing actually. I have a 2013 a6 and my dd is a f-350 4x4 with 3.73s. The f-350 turns less rpm at 70 then my car with stock gearing.
Just thought the results of that would be different.
That's because your F-350 tires are much taller than your Mustang tires and your transmission ratios are different. Not really an apples to apples comparison.
Old 4/24/13, 06:07 AM
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Originally Posted by Five Oh Brian

That's because your F-350 tires are much taller than your Mustang tires and your transmission ratios are different. Not really an apples to apples comparison.
Yea no kidding.. Traditionally speaking though a truck will turn more rpm at highway speed. I just found it interesting that the truck turned less rpm.
Old 4/24/13, 05:41 PM
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you should really consider 3.15 gears... I hear they are pretty nice.
Old 4/26/13, 02:45 PM
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Originally Posted by TheDivaDanielle
you should really consider 3.15 gears... I hear they are pretty nice.
They come with 3.15's.
Old 4/26/13, 03:14 PM
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Originally Posted by GrabberBlue5.0
They come with 3.15's.
Exactly.
Old 4/26/13, 03:15 PM
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Lol.....
Old 4/26/13, 11:39 PM
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4.10s.buddy had them and picked up. 3 tenths with them. Ran 11.47 with the stock converter
Old 4/27/13, 05:41 PM
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Originally Posted by drewzx3
4.10s.buddy had them and picked up. 3 tenths with them. Ran 11.47 with the stock converter
In an auto?
Old 4/27/13, 08:29 PM
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Originally Posted by 2012GT
In an auto?
"with the stock convertor"
Old 4/27/13, 09:09 PM
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Originally Posted by 2012GT
I have an auto. The 3.15 gears are fine because first and second are so steep in the 6r80. Just tune it! a stall converter& 3.15 gears with drag radials will net you 11.30's-11.40's. If anything get a stall converter. I run low 12's with a cai/tune only. It's all up to you really.
Originally Posted by GrabberBlue5.0
You have the perfect gears believe it or not. Invest your money in a converter.
Listen to these guys, a good Circle D converter from my buddy Chris Sehorn will do more for your car than any rear gear change. It'll cost quite a bit more but it's the way to go fast. Plus you'll keep that super low highway cruise rpm, still be able to knock back good gas mileage.

http://www.circledspecialties.com/c-96-6r80.aspx

Last edited by Ltngdrvr; 4/27/13 at 09:12 PM.
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