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Old 12-01-2012, 11:37 PM   #1
01C0bra
 
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Default 4:10 gears here I go!!

I am getting 4:10 gears for my 2001 cobra but wasn't very sure what I exactly needed (parts etc..). My friend is doing the labor work for free! So that's nice. I know the IRS won't hold too much power but I'm going to swap out pretty soon. So what will I need to buy? 31 spline etc..?
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Old 12-02-2012, 12:57 AM   #2
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i thought 01 Cobras came with 31 spline axles already?...

and just the basic gear kit from any the parts sites should do the trick
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Old 12-02-2012, 09:41 AM   #3
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American muscle has a very detailed installation for gears. That may be a big help.
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Old 12-04-2012, 12:13 PM   #4
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Quote:
Originally Posted by 01C0bra View Post
I am getting 4:10 gears for my 2001 cobra but wasn't very sure what I exactly needed (parts etc..). My friend is doing the labor work for free! So that's nice. I know the IRS won't hold too much power but I'm going to swap out pretty soon. So what will I need to buy? 31 spline etc..?
I always thought the 99-01 Cobras had 28 spline axles, but I never really looked into it so that may be the case. Either way, I wouldn't upgrade anything except the gears if you're planning on pulling the IRS soon.

If you just want 4.10 gears we do sell some by Ford Racing. You can also include a Gear Install Kit, with or without new bearings, as well.

Hope this helps! Let me know if there's anything else I can do!

Shane
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Old 12-04-2012, 02:47 PM   #5
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Im pretty sure the 99 had 28 spline, then 01 started 31 spline.
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Old 12-06-2012, 04:52 PM   #6
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Im pretty sure the 99 had 28 spline, then 01 started 31 spline.
Okay that makes sense. Thanks for clearing that up for me. That's something I should've known by now haha.

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Old 12-06-2012, 09:48 PM   #7
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Oh ok. Also another question, will an 03/04 stock air intake fit and pass smog on my 01 cobra?
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Old 12-13-2012, 03:30 PM   #8
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I've heard really good things about the AmericanMuscle kits. Bearings, traction lok etc. I'm doing all that in a couple months, probably 3.73s but I'm trying to talk myself into beign a real man and getting the 4.10s.
Time to nut up or shut up!
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Old 12-29-2012, 01:47 PM   #9
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A 3.73 and even the 3.90 wont make a much a difference if your stock gear is 3.55 or 3.20ish .. It's not worth the money .. You will feel a "seat of the pants" with a 4.10 and some guys in my area with 96-98 cobras run 4.30 gears and love em ..
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Old 12-29-2012, 01:47 PM
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