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Discussion Starter #1
on my 07 mustang im putting 3.73 on my rear and was wondering about axel splines how would i know if i need 31 spline or 28 spline or it doesnt matter anything will fit
 

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MM's resident Juice head
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your car has 31 spine axles already...i dont think it matters anyway
 

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Yes, 31 is better than 28
 

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Discussion Starter #10
ok so 10 spline clutch and a 31 axel are the numbers im looking for since i started asking about clutches what type of clutch should i go with my mustang a daily driver but i try to go to the track as much as possible
 

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ok so 10 spline clutch and a 31 axel are the numbers im looking for since i started asking about clutches what type of clutch should i go with my mustang a daily driver but i try to go to the track as much as possible
how much pwer are you pushing? if your staying N/A i would just go with a spec stage 2+, if your going f/I then i would suggest a spec stage3+ clutch.
 

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why would you need axels and new clutches? Any who i would go with at least a 3.90 if youre NA and as far as clutches go mcleoud(spell check)
 

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Wait till the stock clutch starts to fail, then replace it.

You don't need to worry about the rear end for anything except for the gears themselves and an install kit.
 
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