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Discussion Starter · #1 · (Edited)
I want to get some 33s and I decided on the KO2's, C rated and in size 285/70/17.

However, in this size and load rating, there seems to be 4 different versions (4 manufacturer item numbers) according to the BFG website.

Seems like the differences are the speed rating and RBL (Raised Black Lettering) vs. RWL (Raised White Lettering. I was under the impression that all BFG's have white lettering on one side and back on the other and you decide if you want the white facing inside or out.

Which ones did you guys get?
 

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2017 ZR2 V6 gas
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Discussion Starter · #8 ·
Thanks. I have a leveling kit and am hoping to be able to get away without trimming. I don't do any serious off roading or anything like that.

Sprocket226, you have 285/70/17's right? or are they 285/75's?
 

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2021 Chevy Colorado ZR2 Bison
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I have the LT285/70R/17 BSW. They are load range C (116 Load Rating) and have an "S" speed rating(UP to 112mph/180kph). They are BFG Part #24481.
 

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2022 GMC Canyon Denali Diesel 4X4. Summit White, Cocoa/Dark Atmosphere, Black wheel package
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I’ve run KOs and KO2s on several vehicles and have had nothing but positive results. I had one 315/70-17 on my Dodge that took a few tries to get it balanced but other than that they have performed flawlessly. I’ve run both black walls and RWLs and I think they both look good. My dilemma now is they don’t come in my stock size 255/55-20. Now, I’ve never replaced my tires with the stock size anyway but clearance seems to be more of an issue with these midsize trucks. The closest size to mine in KO2s is 275/55-20 and I haven’t found anyone that says that they have used these with success. When I’m ready for tires I guess I will either try the 275s or try Trail Terrains in my stock size. Hopefully by that time someone will have tried the 275s. I’ve also considered going to 17” wheels. Decisions, decisions.
 

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285/70/17 E load range for me. Front level, added caster. Stock wheels no spacers, no trim. Haven't had any noticeable rubbing on or off road so far.

View attachment 434971
Was going to suggest mudflaps but with that color they'll stick out like a sore thumb. That being said, I am jelly cause the color is cool!
 

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Thanks. I have a leveling kit and am hoping to be able to get away without trimming. I don't do any serious off roading or anything like that.

Sprocket226, you have 285/70/17's right? or are they 285/75's?
I had to go look, I forgot!:) They're 285/70.
You can run them with no trimming and be fine, like LastStandard said, but I have 1.5" spacers on so I had to trim.
 

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I'm running the 285/70/17 E load on the AEV Crestones. I do have very minor rubbing under compression (both front and rear), but nothing that has made me trim, but always reminds me when I hear it. I will probably just go with C load next time. As they are much stiffer and can notice it on the road.



For the four differences are this:
  • 116/113Q Raised White Lettering 100mph speed rating Max Load C 2755lbs 50 psi
  • 116/113Q Black Lettering 100mph speed rating Max Load C 2755lbs 50 psi
  • 121/118R Raised White Lettering 106mph speed rating and Max Load E 3196lbs 80 psi
  • 116/113S Black Lettering 112mph speed rating and Max Load C 2755lbs 50 psi
 

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I've got LT265/70/17 in C-load. I wanted white letters, but Big O Tires said they only came with black letters in that size/load.
 

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I'm running the 285/70/17 E load on the AEV Crestones. I do have very minor rubbing under compression (both front and rear), but nothing that has made me trim, but always reminds me when I hear it. I will probably just go with C load next time. As they are much stiffer and can notice it on the road.



For the four differences are this:
  • 116/113Q Raised White Lettering 100mph speed rating Max Load C 2755lbs 50 psi
  • 116/113Q Black Lettering 100mph speed rating Max Load C 2755lbs 50 psi
  • 121/118R Raised White Lettering 106mph speed rating and Max Load E 3196lbs 80 psi
  • 116/113S Black Lettering 112mph speed rating and Max Load C 2755lbs 50 psi
A number of different options depending on size for BFG All-Terrain KO2s, my specific tires:
ALL TERRAIN T/A KO2 LT265 /70 R17 112S C1 BSW CM (Discount Item #32437)
BFG Speed Rating 112S (112mph), Load Range C1 (Ply Rating 6, Max Load Pressure @50 PSI)
OE Designation: CHRYSLER/DODGE/JEEP/

These were specifically ordered by Chrysler, the 265/70/R17s for the Jeeps, the 285/70/R17s for the Dodge Power Wagon, etc.

I have been running BFG ATs for many years on all my 4wd trucks. Up to 315/70/R17s Load Range E. Are a very good compromise for road and off-road.
 

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I would caution against going to heavier (more ply) K02's with higher load ratings. While I like the K02's on my K2500 they are absolutely terrible in wet weather pavement (acceleration and braking). I am convinced that has something to do with the heavier version (E rating) being "stiff" along with the higher pressures specified on the K2500 truck.
 

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Discussion Starter · #19 ·
Thanks for all the responses, guys. I've definitely decided to stick with C rated ones.

It seems like my main choices are either the Q or S speed rating. Q seems to be much more easier to find, and my local Discount Tire only carries the Q rated ones....but with a limit of only 99mph, I think I'm gonna try to find the S rated ones.

Not that I am often going over 99mph but some of the freeways near me regularly have traffic going around 90mph so I don't want to cut it too close.
 

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When you get your tires havae them add some caster, which moves the tires forward just a little, that way you will not have to trim on the back side of the front wheels
 
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