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Club Member
changing diff ratio
after some advise, I'm changing the diff ratio's on my 2010JK from 3.21 to 4.11, what needs to be done to the speedo so it reads correct??
regards
Andrew
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Club Member
Hi Andrew,
An AEV ProCal will do the trick. Mine was about $230 from Double Black Off-road. Many other tuning devices will also perform the calibration, but may be significantly more expensive.
Using the ProCal is dead simple. It'll only take a few minutes to set the switches to the desired setting, plug it into your Jeep's OBD2 connector below the steering wheel, and turn the key to power the electrical accessories but not start the Jeep. The Jeep will honk when the change has been successfully applied.
Let us know how it goes.
Cheers,
Nick
Sent from my iPhone using Tapatalk
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Club Member
Thanks Nick,
It might be a little while before I do the change, doing extensions on my house (2 x extra bedrooms), the house takes priority at the moment.
I have all the parts to do the change(gears/e-locker)just need the time and money to get them installed once the extensions are done.
regards
Andrew
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