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Old 01-25-2010, 05:59 PM   #1
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Airing Down

Still new to this TJ, and am hearing lots of different ideas on airing down tires when going off-road. Got alloy baja rims with BFG MT 33-12.50 x 15. Running 28psi on street, been told can go to 10psi off-road. Don't want to blow tire off bead. All imput appreciated. Thanks.

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Old 01-25-2010, 06:04 PM   #2
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I had the same question in the beginning. I usually go to 15, it's awesome. Sucks if you don't have an air compressor on the trail cuz I really don't like how it feels on pavement omw to the gas station. Airing down actually better for your tire so you DON'T pop a bead.

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Old 01-25-2010, 06:08 PM   #3
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i do 8-10 with no bead locks and never lost a bead. there's a big difference between 15 and 10 even. once you go below 15 is when you really notic the difference imo.
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Old 01-25-2010, 06:21 PM   #4
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True. I'm a bit of a chicken, lol. 12 is the lowest I've been. "H-h-h-how low can you go!"
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Old 01-25-2010, 06:22 PM   #5
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What is your wheel width? You can air your tires down lower with a 15x8 wheel than you can with a 15x10 wheel.
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Old 01-25-2010, 08:52 PM   #6
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Airing Down

Thanks for the speedy reply all. Okay, forgot the rim width, its 8" with alloy baja style. (came with them). Got 12v a/c under hood for airing-up.
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Old 01-25-2010, 08:58 PM   #7
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I know I would air down alot more if I had a better compressor, my 12v just takes forever on my 33
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Old 01-25-2010, 09:37 PM   #8
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I've got onboard air (love it) and I always air down when offroad. I usually go down to 10-12 psi and have never had any problems with popping a bead.
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Old 01-26-2010, 12:38 AM   #9
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Quote:
Originally Posted by Rocky Bar View Post
Thanks for the speedy reply all. Okay, forgot the rim width, its 8" with alloy baja style. (came with them). Got 12v a/c under hood for airing-up.
You'll be fine with 10 psi with that 8" wheel if the trail is extra tough, 12-13 psi if it's not so tough.
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Old 01-26-2010, 01:03 AM   #10
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I've never lost a bead, when conditions are normal and dry - I'm down to 12 psi. When it's muddy, I air further down to 10 psi. A lot of snow? I'm down to my lowest setting at 8 psi.

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