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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

31x10.50's or LT235/75/15's??

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Old Aug 16, 2012 | 07:24 AM
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huntsonora's Avatar
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31x10.50's or LT235/75/15's??

Looking for tires for my hunting truck and was wondering what y'all thought about these tire sizes? I spend time in mud, snow, forest service roads and highways here in CO as well as a little sand and rocks down in Mexico

I can get a brand new pair of BFG AT KO's in LT235/75/15 from a friend for $400 which is a damn good deal as they come on a set of stock rims already. These tires have less than 100 miles on them.

I could then either sell my tires and rims or have an entire set of spares as that's what I have on my truck right now.

Or should I just wait and spend the money on a set of 31x10.50x15's? I think the 31's would be a little better for my intended usage but how much better would they be and for the money would it be worth it?

Any and all opinions appreciated.
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Old Aug 16, 2012 | 07:44 AM
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From: sammamish, wa.
you are also talking about roughly 2" of size difference. the 235's are a 29"ish tire while the others are 31's shouldn't make a lot of difference but might make some if you drive it around lots of steep hills and or have lots of heavy loads in it. I am running 31's (heavy one at that Toyo mt's) and don't mind but you will get different opinions and most of them are right. but $400 is a great price.
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Old Aug 16, 2012 | 08:25 PM
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From: Roy, WA
I tend to run as much tire as I possibly can, 31's are so close to stock that it's not gonna make a real big difference in power/performance. I run 30's now and my truck is borderline quick for a 22R, next set will probably be 33's. $400 for a set of new or very near new BFG's is a good deal though.
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Old Aug 16, 2012 | 11:01 PM
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From: I live in New Tripoli Pa out in the woods
Red face

Are you talking Pair (2) or set (4) for $400.00

I only ever run 235/75 15 tires i have far too many vehicles to have all different sizes.

If there is a disadvantage I have yet to find it. Snow, Mud and street

I must say I did notice a difference in performance when replacing tires that were worn down to about 1/4tread depth with new.
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Old Aug 17, 2012 | 12:11 AM
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I agree that is a good deal because i am looking at a set of used tires and wheels for $850.00. The Tires are BFG AT KO's 235/65/16 on Matte Black Aluminum wheels with 75% Tread left and he is pretty firm on the price. It just all depends on how big you wanna go.
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Old Aug 17, 2012 | 07:28 AM
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From: sammamish, wa.
I should add my dad ran 235/75/r15 on his 90 trooper as a hunting rig and it went everywhere, with in reason. He didn't like having more than 1 tire off the ground at a time. So if it was more than that he would have my take the 85 through instead. and he was just running old school cooper discovers
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Old Aug 17, 2012 | 01:01 PM
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good 235s will be better than medocrie (spelling) 31's
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Old Aug 17, 2012 | 01:22 PM
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From: Denver CO
When I went from 29 to 31 my rig was a slug, you might want to put gearing into your thoughts also. You have stock gears, what size are you running now? Ahh I read you have 29's as we speak get the same size especially if you are mountain driving. Unless you re gear you WILL notice the difference with the 31's I personally will say no go on the 31's for what you are doing.

Last edited by Discombobulated; Aug 17, 2012 at 01:25 PM.
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Old Aug 17, 2012 | 02:34 PM
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i think it depends on the driver. i went from 235s to my 31s now and dont really notice much of a difference, mostly on steep hills getting going, but gearing is definately key in any tire choice. to eaches own
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Old Aug 17, 2012 | 10:10 PM
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huntsonora's Avatar
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Originally Posted by wyoming9
Are you talking Pair (2) or set (4) for $400.00
It was for the set of 4 and they were already mounted on rims from a 95 Toyota. I bought the set and put them on my truck tonight. They are brand new tires(<100 miles) It was a great deal.

I still have my original rims and a friend said he would sell me his BFG AT KO's with 10,000 miles on them for $300 and that's for 5 tires. Spare is brand new, no miles on it. I'll buy them too and mount them on the trucks original rims.
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Old Aug 17, 2012 | 10:22 PM
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From: Ski town Colorado
I need to make friends with your friends. From checking the local denver CL it's hard to come by a decent set of tires for under 500 and at that point you may as well buy new and get the warranty....

Good score but with no pics, I don't believe it
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Old Aug 18, 2012 | 12:23 PM
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I've had both the 235's and the 31's on my stock p/u. I hit the bottom of the diff on rocks with the 235's, and that went away with the 31's. Oh, and I regeared(to 4.56) for the 31's and was glad I did.
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Old Aug 18, 2012 | 03:19 PM
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From: The Dalles, OR
Ur not gaining much going to a 31x10.50x15 from a 235 unless you get into a mud traction since a 235 is essentially a 30x9.50x15 so if the bfgs do a good job for what your doing then keep them that's a smoking deal and take it from me I'm a tire guy for a living and have been for some years now.
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Old Aug 18, 2012 | 03:35 PM
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From: Tacoma
Looks is an advantage of the 31s also but I'd agree that good 235s will get you in and out of stuff that a bad 31 wouldn't. Sounds like a good deal especially since it comes with wheels!
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