I have been bouncing around trying to decide on a new tire and size.. mostly 34 -35". This morning I decided to measure my current MT ATZs 33x12.5x17 and was surprised by the actual measurement. I realize I have a good 50K + miles on mine and never did measure them when new.
Was hoping some people could post of similar pics in 17" wheel size. In particular 305/70/17 MTr and 315/70/17 or 285/70/17 Duratracs.
Here is what I am looking for in the pic.... I hope this additional info will help others in the future.
I wonder if a little mathematics will work for you. The MTRs at 34.1" and the Duratracs at 34.4". If you divide those numbers in half to get the center point and then measure up to where the top of the tire would be. If you measure your fender gap once the new height is established and add the difference of the old center point and the new center point to get but you have to take sidewall height into consideration....Oh hell I have to stop. My brain just swelled.
Somebody come up with some pics and measurements please.
1. Most tires spec smaller than there size (Eg. mickey thomspon atz specs are 32.6x12.3)
2. On the truck with the pressure on the tire you can easily expect your measurement to be small by 1" or more.
3. Don't know what rims you have but if they are narrower than the tire specs than it can affect the overall diameter a bit.
4. Treads are worn!
Thanks for the responses.. Bar3K thanks for the measurements. This is what I was looking for. I understand how to get a numbers from a tire size. Was just hoping to get some pics and or size of tires when then are actually mounted.
If you see from my pic I am not even at 32 on my 33x12.5x17 ATZs. Original size was supposed to be 32.6. Just found it interesting.
Those dura traks according to calcs SHOULD be 34. Odd how different tires differ. Stock tires are supposedly 31.7 according to Bridgestone. Just measured them out at just over 31'. Id be interested in know this info too as Im looking into tires in a couple months. Good post! Anyone have 285/75/16's they would throw into the mix?
crap just noticed jabartram posted one... but wouldn't mind seeing if a second are the same. I really wish Duratracs came in the 305/70/17.... I don't really need the MTRs but I like the size.
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