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Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ Cherokee Technical Forum > Gear ratio?

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Unread 08-22-2013, 10:09 PM   #1
Zooshoveller
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1988 XJ Cherokee 
 
Join Date: Jun 2013
Location: , Alabama
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Gear ratio?

97 Sport, Chrysler 8.25, 4.0, auto, 2wd, aftermarket trailer hitch.

The only tag found is a small metal tag stamped "0217"

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Unread 08-23-2013, 12:05 AM   #2
sumofatguy
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Quote:
Originally Posted by Zooshoveller View Post
97 Sport, Chrysler 8.25, 4.0, auto, 2wd, aftermarket trailer hitch.

The only tag found is a small metal tag stamped "0217"
I believe all aw4/8.25 are 3.73
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Unread 08-23-2013, 12:54 AM   #3
Holder350
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3.55 unless it came from the FACTORY with a tow package. Then it may be either 3.55 or 3.73

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Unread 08-23-2013, 09:28 AM   #4
cory4um
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Get the rear tires off the ground.
Put it in neutral.
Make reference marks on a tire and the driveshaft.
Spin tire.
Count the number of revolutions the driveshaft makes for each 1 revolution of the tire.

Driveshaft spins roughly 3.5 times = 3.55 ratio
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Unread 08-23-2013, 09:38 AM   #5
Zooshoveller
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1988 XJ Cherokee 
 
Join Date: Jun 2013
Location: , Alabama
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Quote:
Originally Posted by cory4um
Get the rear tires off the ground.
Put it in neutral.
Make reference marks on a tire and the driveshaft.
Spin tire.
Count the number of revolutions the driveshaft makes for each 1 revolution of the tire.

Driveshaft spins roughly 3.5 times = 3.55 ratio
Would never have thought it was that simple. Thanks!
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Unread 08-23-2013, 12:13 PM   #6
CJ7-Tim
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Location: out in the garage - Minneapolis, Minnesota
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JEEP built XJ's could be 3.55 or 3.73. Genuine Jeep hitches were available from the Dealership, so a hitch does not equal tow package. After Chrysler bough Jeep, the 3.73 gears were no longer offered and later Chrysler built automatic transmission XJ's had 3.55 gears, tow package or not.
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