Originally Posted by Builder15
If i am currently running stock 30" tires and get bigger tires, say 32" or 33" will I need to recalibrate the speedometer or is the percentage change too small to really need recalibration?
yes and no...
you need to change the speedometer gear, not recalibrate the speedometer...it's a 5 minute job and will cost you $12-$20 depending on the gear...
it will be a small percentage off...but it's still off...and you might not worry about the speedometer, but it also effects the odometer, and that's a major legal issue...
here's the write-up: