how do you raise the gears in an 89 ford bronco 4x4?

jesse k

New member
im looking to raise the gears in both axels in my 4x4 bronco. Im told i can do it by using the ring and pinion. It is currently at factory ratios which i think is 4.8. I want to change it to 3.1 in both axels, how do i do it?
 
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