OK Guys, my wife is hounding me about the speedo being 5mph slow...

My setup is 4.56 gears on 35" MTRs

I've seen a couple charts say different things.
One says I need a 36 tooth one says I need a 37

Also, the Jeep came with 3.55s and 27" tires stock.
According to one chart I should already have 36 tooth.
But again its running 5mph slow...

Need some input here for whats worked for you guys and how far yours is still off after the change, Thanks

 

This is the chart and location ive used for the last 3 gears ive bought. all were right on.

https://www.quadratec.com/c/reference/jeep-speedometer-gear-tooth-chart

 

Ok, did a little digging.

My factory tire was a 27.9" tire
So I'm pretty sure I have 35 tooth gear.
Sounds like the 37 tooth will set me straight.

Thanks for the link

 

Measure tire size 35s can be 34 tall. Theres long and short shaft gears.