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Old 05-17-2013, 11:10 PM   #1
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Rear Gear

I have a 1994 Mustang Cobra 5.0. I would like to know what is the gear ratio that the cobra stock engine came with. Also if I wanted to replace the rear gear, what gear should I go to without adding any modification on the cobra.
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Old 05-20-2013, 05:21 PM   #2
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Originally Posted by Cobra1994 View Post
I have a 1994 Mustang Cobra 5.0. I would like to know what is the gear ratio that the cobra stock engine came with. Also if I wanted to replace the rear gear, what gear should I go to without adding any modification on the cobra.
I believe they come with 3.08s stock. As far as a new gear i would go with either 3.73s or 4.10s. But any gear swap you do will require a tune to adjust the speedo.
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Old 05-20-2013, 06:29 PM   #3
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Originally Posted by Cobra1994 View Post
I have a 1994 Mustang Cobra 5.0. I would like to know what is the gear ratio that the cobra stock engine came with. Also if I wanted to replace the rear gear, what gear should I go to without adding any modification on the cobra.
Used to own a 94 Cobra. They came stock with 3.08 gears. I has 3.73 gears in it when the motor was stock and loved it. To correct the speedo you will need to change the driven gear on the speedo cable. I believe you'll need a 21 tooth gear if memory serves me correctly.
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Old 05-20-2013, 09:26 PM   #4
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Originally Posted by Evil2014GT View Post

I believe they come with 3.08s stock. As far as a new gear i would go with either 3.73s or 4.10s. But any gear swap you do will require a tune to adjust the speedo.
Thanks for the info

---------- Post added at 10:26 PM ---------- Previous post was at 10:26 PM ----------

Quote:
Originally Posted by aegischief View Post

Used to own a 94 Cobra. They came stock with 3.08 gears. I has 3.73 gears in it when the motor was stock and loved it. To correct the speedo you will need to change the driven gear on the speedo cable. I believe you'll need a 21 tooth gear if memory serves me correctly.
Thanks for the info
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