08 King Ranch Wheels
Postmaster
Joined: Aug 2006
Posts: 2,829
Likes: 3
Originally Posted by mikedeason
Wow,
Great info.
The tires are 13.1 and rated for 8.5-11 so I will give the KR wheels a shot and keep an eye on feathering.
So why do they rate a 13.1 tire as a 12.5 instead of a 13????
Great info.
The tires are 13.1 and rated for 8.5-11 so I will give the KR wheels a shot and keep an eye on feathering.
So why do they rate a 13.1 tire as a 12.5 instead of a 13????
Its just the way it works. It is not 13.50 and there is no 13.00, so it fits in the catagory of 12.50. Just like my 12.50's are actually 12.90.
I am not sure if you know or not... Using factory 18" or 20" and 37X12.50R**, there is a chance of a slight rub on the frame at full steering lock. Not a big deal though.
Make sure you drop Cooper a e-mail for the load/inflation table for your tire. They have been very helpful in my contacts with them.
ConsumerQualitySystems@coopertire.com
Do you know what the load range of the STT you are looking at is?
Thread Starter
|
Elder User
Joined: Jul 2005
Posts: 679
Likes: 0
Load range D.
The tire is actually a 37X12.5X17.
If I get the 18" KR wheels I will have them machined to fit the tire.
When I ran the 13.5 Toyo tire on a 7.5 wheel, I had real problems w/unneven tread wear but I just used the recommended psi.
The tire is actually a 37X12.5X17.
If I get the 18" KR wheels I will have them machined to fit the tire.
When I ran the 13.5 Toyo tire on a 7.5 wheel, I had real problems w/unneven tread wear but I just used the recommended psi.
Postmaster
Joined: Aug 2006
Posts: 2,829
Likes: 3
Originally Posted by mikedeason
Load range D.
The tire is actually a 37X12.5X17.
If I get the 18" KR wheels I will have them machined to fit the tire.
When I ran the 13.5 Toyo tire on a 7.5 wheel, I had real problems w/unneven tread wear but I just used the recommended psi.
The tire is actually a 37X12.5X17.
If I get the 18" KR wheels I will have them machined to fit the tire.
When I ran the 13.5 Toyo tire on a 7.5 wheel, I had real problems w/unneven tread wear but I just used the recommended psi.
I know you can machine 22.5" wheels down to fit 22's, but I have never heard of taking a inch off a factory wheel. I do not see it working, but then again I have never looked into trying it!
As for a 13.5 on a 7.5", I would expect poor tire wear even if you tweaked the air pressures. I would not even put 13.5 on a 8" let alone a 7.5".
Thread
Thread Starter
Forum
Replies
Last Post
