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Unread 10-03-2008, 10:30 AM   #1
ET48
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1986 CJ7 
 
Join Date: Jun 2008
Location: Wooster, Ohio
Posts: 2,566
3.73 gears in a 3.07 carrier?

Currently in my 1998 TJ wrangler I have 3.07 gears in my all stock Front Dana 30 and Rear Dana 35 axles. I know someone that has 3.73 gears for sale. Below is his description.

Dana 35 and 30 3.73 ring and pinion gears. These were from 2006 TJ X model from the factory.

Does anyone know if I can just switch out my ring and pinions? Or do I need new carriers? Thanks!

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ET48
1986 CJ-7 LAREDO, 4.2L, 5 speed, 3.31 Gears, D30, D44, 2.5" ProComp lift, 3" BL, 33" TSLs.
1998 TJ SAHARA, 4.0L, 5 speed, 4.11 Gears, D30 (Aussie Locked), Ford 8.8, 4.5" Custom LA, XRC8, AA SYE, TW DS, ZJ tie-rod, Full-Traction front adj. track bar, 35" KM1s.
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Unread 10-03-2008, 10:44 AM   #2
goldswim5
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2005 LJ Wrangler 
 
Join Date: Apr 2008
Location: Springfield, MO
Posts: 1,379
You will need new carriers for them, you have the 3.55 and numerically lower, you'll need the 3.73 and numerically higher carrier. IIRC quadratec has these for around 60 each, you can probably find them much cheaper from many different places. Plan on at least $250 in labor per axle (that was the rate I was quoted at many different shops)
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2005 Wrangler Unlimited
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