Quote Originally Posted by Winnie View Post
Rossco I remember a while ago us trying to sort out a speed correction for the GQs. I actually just check with Patrolapart and got this response from Aaron. I got quoted $75 for the part needed, part number 3270331G16 for a 16 tooth.

"As for the speedo, you can change the gear on the end of the speedo drive in the transfer case.
Just slip yours out, count the teeth, then buy the tooth count that will change it approx. 20% which should be 2 teeth different to what you have."

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I came across an article listing the different gears V tyre changes somewhere, will try to dig this up - might have even been on here?. Changes being stock to 35" tyres is a single issue, and 10% gear ratio change in 5th a different one - not sure you can achieve the speed change conversion as in this case one is a ratio change across all gears being the bigger tyres and the second is a ratin change on only 1 gear - at least that what i am taking from this @Winnie.