MikeBuzzsaw
New member
How come you chose to not buy them at Costco? Wouldn't it be better to get them at costco for the included road hazard warranty?
BFG All-Terrain T/A KO2 went on sale today
- Thread starter sm4r
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How come you chose to not buy them at Costco? Wouldn't it be better to get them at costco for the included road hazard warranty?
I had ordered my Nitto Terra Grapplers at Americas Tires. They exchanged them for me and honored the Costco price. If they hadn't had priced match it, I'd would had been stuck with the Nitto. I like the beefy look of the BFG better.
Tried to buy KO2 265s Load C at Costco today in Tustin but was turned away due to the fact that the Load Cs had only a 112 load rating, which was under the required 113 load rating of OEM. Tire guy tried to steer me towards the Load E with its 121 load rating but I said no thanks. Anyone encounter similar issues??
MikeBuzzsaw
New member
Search this thread, some members have mentioned issues getting Costco to mount the tires.
Sig_Fan_55
New member
I would try again. The local Costco here had no problems getting me set up with 265's in C load.
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MikeBuzzsaw
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If you order the KO2 online @ Costco, you can have the Load C shipped to your Costco. You should have them shipped to Fountain Valley or Huntington Beach. They probably deal with more truck enthusiasts compared to Tustins posh demographic of customers.
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Lol!!! Where are you seeing the $741 price for these? I only see $809.
It's $741 plus the mount/balance tire disposal fees. Your price probably includes that.
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MikeBuzzsaw
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Costco website has some weird glitches, the final price was different in the cart as compared to the front page. I got the same screen as you, thanks for the research!
MikeBuzzsaw
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Nice! Let us know if you run into any issues with Costco installation and mounting! I just ordered a set as well and not sure if I should expect any trouble.
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Yeah, so multiply max load by (current PSI/max PSI), This is directly from BFG in regard to Load C:
"For normal driving you would do 50 front and 50 rear.
Minimum PSI is 20 PSI at speeds less than 15 MPH for off-road use.
Once you go back on road inflate back to 50 PSI.
The max is 50 PSI on the tire and you would need to run at 50 PSI to meet the OE specs.
Edit- FWIW, I run them at 46 PSI
e60ral
Banned
yeah, but they are basing that off the max capacity and not typical use
the KO2 C load tires have a lower max capacity than the OE tires, i'm trying to do some napkin calculations to see if its enough to be significant to me to decide if I should do E load tires
so for example, what is the load rating of the OE tire at 32psi vs the KO2 C load at X-psi
the KO2 C load tires have a lower max capacity than the OE tires, i'm trying to do some napkin calculations to see if its enough to be significant to me to decide if I should do E load tires
so for example, what is the load rating of the OE tire at 32psi vs the KO2 C load at X-psi
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I have an LE, so my stock tires are rated for 2149 @ 44PSI The 265/70/17 BFGs were rated for 2470 @50 PSI. Therefore, BFG @ 46 = 2272 and Dueler @ 32 = 1562.
The 265/70/17 Dueler is 2535 @ 44PSI, so it would be 1843 @ 32PSI
Yes.
"Additionally, while a tire's maximum load is the most weight the tire is designed to carry, its load carrying capacity at lower inflation pressures is proportional to how much inflation pressure is used."
Per tire rack: Tire Tech Information - Tire Specs Explained: Maximum Load
Edit - I would personally run them higher than that though to ensure you get good tread wear. An LT tire may require higher PSI, even though technically the load "matches".
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e60ral
Banned
proportional doesn't necessarily linear/directly proportional though
most of the charts i'm seeing for other tires have a linear relationship, but it looks like some have different offsets so its a y=mx+b equation and not a y=mx equation but I can't find charts for the KO2
for example, the example in your tirerack link has the following relationship:
So what we need to find is a load chart or graph for the KO2 and OE tire
most of the charts i'm seeing for other tires have a linear relationship, but it looks like some have different offsets so its a y=mx+b equation and not a y=mx equation but I can't find charts for the KO2
for example, the example in your tirerack link has the following relationship:
So what we need to find is a load chart or graph for the KO2 and OE tire
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proportional doesn't necessarily linear/directly proportional though
most of the charts i'm seeing for other tires have a linear relationship, but it looks like some have different offsets so its a y=mx+b equation and not a y=mx equation but I can't find charts for the KO2
for example, the example in your tirerack link has the following relationship:
So what we need to find is a load chart or graph for the KO2 and OE tire
I think that load ratings are standardized -- could definitely be wrong though. The offset you may be talking about may be the 1.1 reduction factor from putting P rated on LT. It does seem like I took a more simplistic approach, but it's close to linear. Toyo has a pretty detailed explanation for it all.
https://toyotires2-1524598101.netdn...ication_of_Load_Inflation_Tables_20151020.pdf
e60ral
Banned
that second factor, the "b", is not universal. we need the load charts for the KO2 and OE tire (its different in the toyo tire than the tirerack tire for example, 891 vs 1256)
the relationships do all appear to be fairly linear, but without knowing the "b" part you can't calculate what you need. you need at least one other reference pressure to calculate the "b" part
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