gears for 33" tires
04-29-2009 | 12:27 AM
#18
CF Veteran
Joined: Apr 2008
Posts: 2,340
Likes: 8
From: Burlington, NC
Year: 1994...mostly...
Model: Cherokee (XJ)
Engine: 4.0L I6 HO, Lot's of Bolt Ons
31's and 32's you want 4.10's
33's for more road use than trail - 4.10's
33's for trail use - 4.56's
33's for the people wanting to simulate a 3:1 t-case crawl ratio offroad 4.88's
Go search for a tire gear calculator and go play with some numbers.
Or just use the equation:
new tire size = NT
old tire size = OT
new gear ratio = NG
old gear ratio = OG
(NT * OG) /OT = OG
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kenneth Huang (08-09-2020)
04-29-2009 | 12:41 AM
#19
Thread Starter
Seasoned Member
Joined: Jan 2009
Posts: 443
Likes: 2
From: Prescott, AZ
Year: 1996
Model: Cherokee
Engine: 4.0L
4.10's
31's and 32's you want 4.10's
33's for more road use than trail - 4.10's
33's for trail use - 4.56's
33's for the people wanting to simulate a 3:1 t-case crawl ratio offroad 4.88's
Go search for a tire gear calculator and go play with some numbers.
Or just use the equation:
new tire size = NT
old tire size = OT
new gear ratio = NG
old gear ratio = OG
(NT * OG) /OT = OG
31's and 32's you want 4.10's
33's for more road use than trail - 4.10's
33's for trail use - 4.56's
33's for the people wanting to simulate a 3:1 t-case crawl ratio offroad 4.88's
Go search for a tire gear calculator and go play with some numbers.
Or just use the equation:
new tire size = NT
old tire size = OT
new gear ratio = NG
old gear ratio = OG
(NT * OG) /OT = OG
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