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 > BFG All Terrains KO2 PSI

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r47smiley

Morgan Hill, CA

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Posted: 07/11/18 08:35am Link  |  Quote  |  Print  |  Notify Moderator

I have 35x12.5 r18 BFG KO2 load range E tires on my truck. They state max load 3400lbs at 65psi.

Anyone else carrying at TC with load range E tires that go to 65lbs and not 80lbs? I figure just follow the specs on the tire and call it good.

mikakuja

Chilliwack BC

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Posted: 07/11/18 08:58am Link  |  Quote  |  Print  |  Notify Moderator

My brother in law has the E rated 35's on his 3500 Ram Diesel and was surprised to find that they were only rated for 65psi..... As much as I love the KO2's the 35's have not been a very long lasting tire on his truck.. I am running KO2's on my F250 (285-70-18 @ 80psi), so far they are wearing great, no issues at all.

Geewizard

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Posted: 07/11/18 09:02am Link  |  Quote  |  Print  |  Notify Moderator

I used to have BFG KO2 load range E tires on my truck but they didn't wear very good at all. I ran them at the stated pressure.

I now have Hankook Dynapro AT-M LT265/70R18 in load range E on my Tundra. I run all four at 70psi. Working very well for me.


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r47smiley

Morgan Hill, CA

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Posted: 07/11/18 09:13am Link  |  Quote  |  Print  |  Notify Moderator

I have had decent luck with wear. The sidewalls compress a bit more then I expected with the TC. I am using a Lance 865 which I know is heavy. Just want to make sure the tires are dialed to minimize risk of a blow out.

Any one know what tire temp is when bad things start to happen? I can get the surface temp a time or two during the drive. Or just touch them and make sure you can keep your hand on them with out hurting your had. Going to be a warm weekend here... 100 degrees+.

Rob

Photomike

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Posted: 07/11/18 09:24am Link  |  Quote  |  Print  |  Notify Moderator

I was surprised to find when I put KO2's on my van that they have so many load ratings. The ones that I have now are G and are rated at 50PSI, when I had my truck I thought that the ones I had were rated at 90PSI but I could be wrong. But I did run them there [emoticon] [emoticon]


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BradW

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Posted: 07/11/18 09:36am Link  |  Quote  |  Print  |  Notify Moderator

r47smiley wrote:

I have 35x12.5 r18 BFG KO2 load range E tires on my truck. They state max load 3400lbs at 65psi.


Dang, I thought all E rated tires were rated at 90psi.

As you wrote, 3400 lbs is the max load at 65psi. It doesn't say 65 is the max psi allowed. I would call BFG and ask them what the [email protected] is going on and can you run 90 psi in that E rated tire.

Good luck,
BradW


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Grit dog

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Posted: 07/11/18 09:48am Link  |  Quote  |  Print  |  Notify Moderator

They’re fat tires. 65 psi is appropriate as that’s what shows on sidewalk for max load rating. Not an issue, not 80,90 or 105 psi.
Fillem up to 65 under the camper. That’s the best you can do within the pressure/load rating.


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Optimistic Paranoid

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Posted: 07/11/18 11:04am Link  |  Quote  |  Print  |  Notify Moderator

r47smiley wrote:

Any one know what tire temp is when bad things start to happen?


According to the manual on one of those aftermarket TPM systems that monitors both pressure and temperature, their unit comes with a default alarm setting of 158 degrees F. The system will allow you to modify that, but they do not recommend you do so. They say bad things start happening to tires when the temperature is between 170 and 200 degrees F.

r47smiley

Morgan Hill, CA

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Posted: 07/11/18 11:38am Link  |  Quote  |  Print  |  Notify Moderator

Thank you all! Good to know on the over heating sensor.

I did call BFG and they specifically recommended against filling to a higher PSI, the gal I spoke to stated she talked to someone who filled to 80, drove long distance on a hot road and had a blow out....

Thanks again, headed down the road tomorrow.

mellow

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Posted: 07/11/18 01:02pm Link  |  Quote  |  Print  |  Notify Moderator

My Nitto Terra Grappler's are 3500 lbs at 65psi. All my other E rated tires were 80 psi. I love the lower PSI as it is faster to air up at the pump.


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