Speedo after lift
03-03-2011, 02:41 AM
#1
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Year: 1991
Model: Cherokee
Engine: 4.0 6cyl.
Speedo after lift
I have a 91 XJ, 4.0 with the auto trans, 4.5 lift and 31 10.5 15 Nexen Mud tires. What do I need to make my speedo right? Thanks.
03-03-2011, 11:07 AM
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Year: 2000
Model: Cherokee
Engine: 4.0
Buy a gps. lol. Going from a 225, 75r15 to a 31x10.5" mine is only off by 6mph at 70. Meaning when I show 70 mph on speedo I'm doing 76 per my Garmin gps. At 35 only off by like 2 mph. So i wouldn't worry unless you go up to a 33" tire.
03-04-2011, 10:33 AM
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Model: Cherokee
Engine: 4.0
I resisted changing the speedo gear on mine because they cost about $40. I found a used 37 tooth gear on ebay for $18, so I pulled the trigger. I have a GPS and that's how I verified that with my 35's and 4.56 gears, it's correct now, but it's nice to have the speedometer and odometer correct.
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