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what diff ratio to go with?

Tech Talk for Cruiser owners.

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what diff ratio to go with?

Post by TUFFAS »

hey because i have to replace the crown wheel and pinon im just wondering what ratio i should go for if im running 33" tyres and i also have a set of 36" tyres for fun but also just wondering whats the standerd ratio of the 80 series diffs?
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Post by dumbdunce »

assuming 80 series? which engine etc?

standard is 4.1:1. it's a good ratio, strong and cheap to replace if you do break them. if you regear, lower ratio gears are more expensive and not as strong.

if you need improved crawl ratio, get transfer case gears. then you get to keep your tall gearing for the highway.
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Re: what diff ratio to go with?

Post by RED60 »

TUFFAS wrote:hey because i have to replace the crown wheel and pinon im just wondering what ratio i should go for if im running 33" tyres and i also have a set of 36" tyres for fun but also just wondering whats the standerd ratio of the 80 series diffs?
Don't forget, if you change rear ratio you have to change front as well... :cool: :cool:
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