What gears in my 9 inch? - MustangForums.com

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What gears in my 9 inch?

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Old 02-04-2012, 03:24 PM
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torchred5.0
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Default What gears in my 9 inch?

Hey I just picked up a 9 inch in great shape for $100 complete with axles...anyway the ring gear has the numbers "4210" on it, any idea what gear ratio I have?

Also I saw no c clips, so how do you release the axle to remove it from the tube? Do you have to pull seal to do it? I wouldn't think a seal is holding an axle in!

Thanks guys
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Old 02-04-2012, 08:48 PM
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AdderMk2
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if you can look at the gears without removing the axles, you don't have a 9"

post pictures, count the teeth on the ring gear and the pinion gear.
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Old 02-04-2012, 09:47 PM
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torchred5.0
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Just the number on the ring gear...that is another chunk I have in addition to the one in the axle right now...
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Old 02-04-2012, 10:07 PM
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AdderMk2
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Originally Posted by torchred5.0 View Post
Just the number on the ring gear...that is another chunk I have in addition to the one in the axle right now...
you apparently didn't even both reading my post... you fail.
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Old 02-04-2012, 11:51 PM
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tinman
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9" Fords use a retainer thing on the end of the housing.
There will 4 bolts holding it on.
Undo those and the axle will come out.
Then you can remove the center section (pig).
Chances are that it either 3.00 or 3.50 ratio.
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