Hey all ive just fitted some 31's to my XJ and obviously the speedo is going to be out, as a temp measure can anyone tell me what their speedo is out by ? i went thru a camera lastnight and shat as i didnt know what speed i was doing (didnt get flashed)
ive been staying (or been aware) 10kms below the posted speed just to be on the safe side.
ive heard you can buy a correction gear(?) from jeep or elsewhere - can anyone give me more info on this ?
thanks
__________________ 6" XJ, 33's with all the fruit - long gone '01 classic - not stock for long!
Yeah mate you will be out by 10%. So at 100k's you will really be doing 110, I have a set of 31" on my XJ.
As for the speedo correction gear I used to even have the part number but that is now lost, give Hammond's a call from memory around the $110 mark - I never bothered as I bought a GPS which tells me how fast I am going
Yeah mate you will be out by 10%. So at 100k's you will really be doing 110, I have a set of 31" on my XJ.
As for the speedo correction gear I used to even have the part number but that is now lost, give Hammond's a call from memory around the $110 mark - I never bothered as I bought a GPS which tells me how fast I am going
You can also get an electronic corrector from Jaycar as a kit, handy if you plan to go up a size later or want to get it spot on.
I have 31s on my xj, recently changed the speedo drive gear to a 34 tooth from a wrangler, job took like ten minutes and all works fine although I havnt actually cheaked against those speed check signs on the highway yet but from the info i have read it should be right
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31" tyres - speedo correction
