Largest Functional Tire Without Mods

Jeffrey said:

Is there a riding comfort difference between two identical tires, one E load rating and one D load rating?

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AZGrenadier said:

For something like a KO2 how much more puncture resistant would the E be?

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anand said:

Slightly? I don't think there is an actual metric, at least nothing publicly shared outside BFG...

Comparing a E rated 285/75/17 and the D rated 34x10.5R17
Section Width: 11.3" vs 10.5"
Diameter: 33.9 vs 33.5
Max Load: 3195 vs 3085
Weight: 61.3 vs 54.6
Tread Depth: 15/32 vs 15/32

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TCMBoulder said:

Be aware that the K02 in 34x10.5R17 is smaller than specified by BFG. The actual diameter when inflated is closer to 32.9" not the specified 33.5". I learned this the hard way after installing them on my brothers Jeep.

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anand said:

Comfort will depend more so on tire pressure than specifically the load rating; technically the E has stiffer sidewalls which will inherently transfer more of the NVH from the road to the vehicle. The E will also (usually) weigh more, causing more unsprung weight which can increase suspension motion (there is more for the spring/shock to control).

In short, between D and E it is unlikely that you'll notice a huge difference, assuming both are inflated to correct pressures for the load

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AZGrenadier said:

Has anyone done a 285/75r17? Just a little taller?

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Jmccmick said:

I saw a clip of some mounted on a blue Grenny, seemed to articulate completely into the wheel wells, couldnt hear any rubbing in the video but not sure if any trimming had been done. No idea where i had come across the video im afraid.

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stickshifter said:

Maybe this video?

View: https://www.youtube.com/watch?v=RarHLicvfWM

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Paachi said:

[QUOTE username=emax userid=8900646 postid=1332808943]> why they gave it a puny tank range still befuddles me

I agree. But here in Germany also filling this puny tank costs already a fortune to fill at $9/gallon: about $177.

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Sillius Soddus said:

Bah! Amateurs! Here in America we take obnoxious overcompensating seriously. You roll up to the local Guns’n’Gas in this beauty to pick up some .50 cal ammo (for duck huntin’!) and everyone will know that you’re hardcore. With forty inches of girth…I mean tire, no one will ever make assumptions about your sexuality.

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