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Old Mar 16, 2006 | 01:43 PM
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tapnibot's Avatar
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Rear end

Does anyone know what size gears come stock in a '90 bronco? I don't know if the towing package makes any difference but it has it. All i know is that the axles are 31 spline.
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Old Mar 16, 2006 | 03:20 PM
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stock is 3.55 some came with 4.10's but usually had the 300-6 for a motor.

check the rear axle tag
 
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Old Mar 16, 2006 | 07:23 PM
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More than likely it is a 3.55 gear ratio, and like kemicalburns said, check the axle tag on the bolt cover of the rear differential, and it should say what gears are in it, and if it's a limitd slip.
 
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Old Mar 17, 2006 | 03:07 AM
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Originally Posted by Kemicalburns
stock is 3.55 some came with 4.10's but usually had the 300-6 for a motor.
If anything, the I6 would be the least likely to come with 4.10 since it's the slowest reving engine. That's all IMHO, of course.

Not sure how some people got factory 4.10 since mine got a tow package, but still 3.55.
 
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