gearing help
Member
Joined: Feb 2014
Posts: 182
Likes: 3
From: Ontario
Year: 1989
Model: Cherokee
Engine: 4.0L inline 6
next question in puddlepirates thread
Without sourcing 4.10 gears from a 2.5L 5 speed, can I have the 4.10 years installed in my current Dana 30 and 35 axles?
The ratio change from 3.55 to 4.10 with my 33' tires would be ideal speedometer and power wise I think.
The ratio change from 3.55 to 4.10 with my 33' tires would be ideal speedometer and power wise I think.
Herp Derp Jerp
Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Yes you can buy gears for a D30 and D35 separately. Auto XJ D30s are above the carrier break so you will not need a new diff carrier. Anybody with 3.07:1 will.
For 33s and a slushbox transmission you're better off with 4.56:1
For 33s and a slushbox transmission you're better off with 4.56:1
Member
Joined: Feb 2014
Posts: 182
Likes: 3
From: Ontario
Year: 1989
Model: Cherokee
Engine: 4.0L inline 6
I've never heard slushbox transmission.
My jeep is 1989 4.0L automatic assuming it has 3.55 gears.
If I am buying gears you say go lower?
My jeep is 1989 4.0L automatic assuming it has 3.55 gears.
If I am buying gears you say go lower?
Last edited by Bmoney; Feb 25, 2014 at 11:32 PM.
CF Veteran
Joined: Jan 2010
Posts: 5,482
Likes: 25
From: Virginia Beach by way of Michigan
Yup. Automatics are often called slush boxes. 4.0 with the AW4 and 33's should have 4.56's and a new speedo gear in order to put everything back in line as far as speedometer, odometer, and engine "sweet spots"
Former Sponsor
Joined: May 2010
Posts: 2,181
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From: meriden Ct
Year: 2000
Model: Cherokee
Engine: 4.0
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