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Question about running "Fortys"

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Old Nov 20, 2012 | 03:10 AM
  #1  
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JK Freak
 
Joined: Jun 2010
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From: York, PA
Default Question about running "Fortys"

Will 4.88 gears be enough in a 6 spd.?

Do i need front/Rear Pro-rock 44's OR should i go to to PR60's?

Thanks for any help...
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Old Nov 20, 2012 | 03:24 AM
  #2  
nick99wj's Avatar
JK Enthusiast
 
Joined: May 2008
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From: Baton Rouge, LA
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4.88's would probably be ok, but 5.13's or 5.38's would be better. Also for 40's i would def go with 60s front and rear, or at a minimum 44f/60r
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Old Nov 20, 2012 | 03:47 AM
  #3  
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JK Freak
 
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From: York, PA
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Gotcha.....what about driveshafts?

Will the stock Rubi 4;1 be OK with the 40's?
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Old Nov 20, 2012 | 04:06 AM
  #4  
JKingAround's Avatar
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From: Grant Florida
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Stock 44s will be fine just add 35 spline chromoly axles and gusset it. 5:13 or 5:38s gears would be best with a 3.8 or 3.6. Now if your going to raise your power output with a turbo, supercharger or hemi I would suggest going to D-60s if you hardcore wheel.
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