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Speedometer gears #654931 10/10/05 07:49 PM
Joined: May 2005
Posts: 61
M
mflint1513 Offline OP
Getting the Wheeling Fever
I just got the CJ running again after doing the 4.0 swap. I have 33" tires and need to know what I need to do to get the speedometer to read correctly. There's supposed to be a gear somehwere (in the T-case, I suppose) that needs to be replaced. However, I have no idea what to replace it with or anything like that. Anyone have a clue that can help? Thanks!


My JEEP: Something that once looked like a 1985 CJ7.
Re: Speedometer gears [Re: mflint1513] #654932 10/10/05 09:24 PM
Joined: Oct 2003
Posts: 7,768
BigJim Offline
Web Wheeler
Somewhere around here is a chart. I would search for it if I needed it I am sure google can find a jeep spedo gear chart. All I have ever purchased came in colors... Purple and green and so on.. You need to know how much in % you need a smaller or larger gear. Then find the chart and see which gear you will need for that % of change.. search search and you will be joyful. <img src="/forums/images/graemlins/smile.gif" alt="" />
Big Jim <img src="/forums/images/graemlins/pfft.gif" alt="" />


professional bovine relocation specialist
Re: Speedometer gears [Re: mflint1513] #654933 10/11/05 01:45 AM
Joined: Jan 2005
Posts: 616
tomriddle Offline
Rock Warrior


94 yj 456gears, detroit locker and 30 spline axles out back, 33" bfgs
Re: Speedometer gears [Re: tomriddle] #654934 10/11/05 02:04 AM
Joined: Oct 2003
Posts: 7,768
BigJim Offline
Web Wheeler
Thanks Tom now I have it too. <img src="/forums/images/graemlins/smile.gif" alt="" />
Big Jim <img src="/forums/images/graemlins/pfft.gif" alt="" />


professional bovine relocation specialist
Re: Speedometer gears [Re: BigJim] #654935 10/11/05 05:24 PM
Joined: Dec 1999
Posts: 792
Dan-H Offline
Rock Warrior
I think that chart is for NP 231 t-cases.

doesn't the CJ have a Dana 300? I'm not sure that chart applies...


01 TJ sport

99 4Runner SR5 ( wifes ) Stock with Electric locker for serious grocery getting !!!

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