255/85 R16 Owners Experience

2500rpm@70mph ain't bad at all. I bet that thing rips around town. Hell I might go 4:30s then.

 

Hey guys ive been running the bfg km2s 255 85 16 at 35 psi for the last 20k miles and seems to be wearing great im wondering what you all are running you psi at??? I have a 02 double cab with canopy full skid plates and arb w winch think at the scales i was 5045 lbs with me and all my survival gear on board lol

 

Keep mine at 34. Same tires.

 

I run my ST Maxx at 35 as well.

 

Hey guys i just got an email back from bfg and they say when running 255 85 16 i should be running 45-50 psi !!! Here is the email hope you all can read it i guess thats why im getting 14 mpg now lol... still need to regear one day...

 

Yeaaa... You might want to get one of those rubber mouth pieces so you don't break your teeth when you hit a bump.

If you want to know the correct pressure, do a chalk test.

 

^^^ Meant that as kidding not as a smartass, but seriously, they set mine to 50 when they installed them. Never again. You'll see.

 

I run my km2s at 40psi on road. No issues.

 

So it's my understanding from flipping through hundreds of pages that a 2" lift should accommodate 255/85 with minor trimming?

 

Well not sure about your year but mine is a 2002 and had to smash that pinch weld and trim the inner fender well in front and on the rear i had to cut some of the fender flare

 

Lift doesn't have anything to do with being able to fit bigger tires. The suspension still cycles through the same range of motion. If it won't fit stock you'll need to grind/hammer/cut regardless of lift.

 

Yes minor trimming of plastics only. You won't need to hammer the pinch weld on the second gen, and they shouldn't hit the cab mount either. You won't have to trim anything in the rear.

 

I have ST Maxx and have hit my pinch welds quite a few times... need to get off my lazy ass and beat them down sometime

 

I think they run bigger than other 255/85s, side by side they look bigger anyway. They looked wider than my km2s as well

 

For those that ran 255's and then switched to 285's, what were your impressions?

 

I went from 285s to 255s. 255s are way better in the snow up to a point I guess. I haven't run them in snow deeper than 12". 285s seemed to push a lot in corners on snowy roads.

 

For any 1st gens out there, here's an updated list of what I had to do to get these tires to clear. Hopefully someone finds this useful. Tires are 255/85/16 BFG km2.

For the rear...

All-Pro axle relocation plates, used in the 3/4" position



Replaced fender flare screws with stainless flathead screws to avoid rubbing the heads.



Up front...

Pinch weld smash and trimmed plastic





Trimmed plastic that covers the front bumper cover mount, and the top of the wheel wells




Then I was still rubbing on the washer fluid reservoir.


So I ditched the stock reservoir and made this one


It used the stock pump inserted here. Had to extend the wires and hose to the pump.


and mounted the thing here with some crafty zip tie kung foo



It's sturdy, works good, and is hidden by the skid plate.


Had to trim the rear flares even with the axle relocate plates. Was rubbing the front and rear of the flare at extreme stuff.


After all that, I'm still rubbing the frame barely at full turn under compression. My wheel+spacer combo is the equivalent of 4.0 BS. A wheel with 3.5 BS would completely alleviate the frame rub.

Anyway, all that for this



Hope this helps!

 

Looking good, and Nice write up!

 

You like the 255s over 285s that much?

 

That much of a loss in power eh?