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Old 01-17-2008, 09:48 PM   #1
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GT Rear end

Ok guys I found a GT rear axle for 400 everything included. Is it a direct replacment for the v6 rear. Also what are the gear ratio's for the 99-04 years. Thanks.
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Old 01-17-2008, 10:03 PM   #2
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Re: GT Rear end

You'll have the same gear ratio if it's the stock gears. 3.27's.
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Old 01-17-2008, 11:10 PM   #3
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Re: GT Rear end

$400 seem like a good price? I figured I might as well upgrade cause I am planning on turbo/super my car.
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Old 01-18-2008, 12:13 AM   #4
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Re: GT Rear end

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Originally Posted by fasternu_674 View Post
$400 seem like a good price? I figured I might as well upgrade cause I am planning on turbo/super my car.
That is a great choice the 8.8 is a stronger axle and has quiet a few more options for gear ratios and lockers than the 7.5...Also that is a great price!
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Old 01-18-2008, 07:19 AM   #5
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Re: GT Rear end

If you don't take it for that price tell me where to send the money.
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Old 01-18-2008, 08:20 AM   #6
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Re: GT Rear end

if you swap a 99+ into a pre 99 it will have a longer wheel base out back but other than that no major issues (didnt know what year you had)
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Old 01-18-2008, 08:39 AM   #7
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Re: GT Rear end

I have a 2000. So no problem there. Thanks for all your input. I am gonna go ahead and get it. I need a posi bad anyway.
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Old 01-18-2008, 11:35 AM   #8
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Re: GT Rear end

why is a GT rear axle better than a v6 rear axle?
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Old 01-18-2008, 11:38 AM   #9
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Re: GT Rear end

It is a larger diameter housing which is stronger. On top of that the 8.8 (GT) rear end comes with a limited slip differential making traction much better by using both rear wheels to apply the power to the ground.
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Old 01-18-2008, 11:43 AM   #10
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Re: GT Rear end

the only advantage of a GT vs v6 rear end is the pumpkin is bigger, and thus the gears/pinion are stronger as well as the housing. Also it comes with a tlok unit that is bigger and stronger than the tlok unit you can get in the v6 (not mustang but ranger for example uses the same rear as the v6 with a tlok unit for traction)
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Old 01-21-2008, 01:12 AM   #11
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Re: GT Rear end

Do you need a different driveshaft to do this? Or with the stocker work?
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Old 01-21-2008, 05:41 AM   #12
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Re: GT Rear end

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Originally Posted by runvsofthisbull View Post
Do you need a different driveshaft to do this? Or with the stocker work?
stocker will work with no problems!!
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04 stang (Gone):
Best 1/4: 13.813 @ 104.35 <top MPH 109+..Durn Traction)
310/318 @the wheels Procharged 3.8L
New Baby:
1989 5.0 5spd Great plans for this monster!
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