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Author Topic: 37 BFG KM2s PSI ????  (Read 2803 times)

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86moneypit

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37 BFG KM2s PSI ????
« on: Sep 07, 2014, 09:47:20 PM »
I just got a set of 37 BFG KM2s, I haven't run these before and don't know what PSI to run them on the street and how far you can air them down on the trail.

I have them at 32 for street and tried 10 they look ok but I want to go lower if I can.

17 shown in the pic, fake beadlocks

I have a 86 runner that I put them on.

What you guys think?  How do you like these tires??
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86 Runner 529s locked duals 37s 
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kneedownnate

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Re: 37 BFG KM2s PSI ????
« Reply #1 on: Nov 04, 2014, 10:08:24 PM »
Call discount or americas tire.  They have a calculator program that will tell you what air pressure you should run for those tires on your rig for dd driving
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moutaintoys

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Re: 37 BFG KM2s PSI ????
« Reply #2 on: Nov 12, 2014, 08:51:06 PM »
i run 24 PSI on the street and they hook up like mad at 8psi off road that what i run and i have no beadlocks
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86moneypit [OP]

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Re: 37 BFG KM2s PSI ????
« Reply #3 on: Nov 13, 2014, 06:09:04 AM »
Thanks, yeah I tried 10 and it seemed like I could go lower.  so far they work pretty good compared to my iroks and those were bias ply.
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86 Runner 529s locked duals 37s 
96 Runner 5sp. 3.4 32s DD
04.5 Dodge 2500 CTD With Go Fast Stuff On It

Drive it like you stole it

daniresch

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Re: 37 BFG KM2s PSI ????
« Reply #4 on: Nov 13, 2014, 10:11:48 AM »
Quote from: moutaintoys on Nov 12, 2014, 08:51:06 PM
i run 24 PSI on the street and they hook up like mad at 8psi off road that what i run and i have no beadlocks

I'd be running the same as mountaintoy on 37s. 20psi on the street would be okay too.

how to the km2s ride on the street compared to the bias iroks?




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86moneypit [OP]

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Re: 37 BFG KM2s PSI ????
« Reply #5 on: Nov 13, 2014, 10:19:21 AM »
Iroks were ok, I had a trailer for it before so I didn't drive it much on the street but once they warmed up they did ok, a little wobbly at certain speeds.

the KM2's are smooth as glass and super nice on he road, now I fell all kinds of other stuff that I always thought was the tires when I ran Iroks. 

Cant wait to see how they do in the snow.

Still love the Iroks they grip like hell in all conditions. 
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86 Runner 529s locked duals 37s 
96 Runner 5sp. 3.4 32s DD
04.5 Dodge 2500 CTD With Go Fast Stuff On It

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MRHilux87

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Re: 37 BFG KM2s PSI ????
« Reply #6 on: Nov 13, 2014, 04:15:31 PM »
I have the 35s on my runner. I run them around 35 on the street. Better mileage and wear. 7-8 on the sand and rocks.
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moutaintoys

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Re: 37 BFG KM2s PSI ????
« Reply #7 on: Nov 13, 2014, 08:55:03 PM »
down in the valley i'd run 2oPSI but up in the mtn. 24
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junya92toy

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Re: 37 BFG KM2s PSI ????
« Reply #8 on: Nov 29, 2014, 10:37:46 PM »
Get some powered chalk put it on the thread in a line roll tire and adjust pressure until it leaves chalk on the ground across the whole tread
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