Questions on airing down tires.

[bosscat800 [OP]]

I have never aired down tires for offroading before. What would be a safe pressure to air down a stock size tire for a 07 fj be? Also, how far can you go running at that pressure. Is airing down really help you get through the snow better. Like I said, I am new to this kind of four wheeling and would be using it in the spring, trying to get through the snow and into our fishing holes.

[Q808]

What are your stock tires..?

Generally not too much on a stock tire but if normal is 32 psi the maybe take it down to 22 psi. This will help ease the dirt-road washboard effect and give you some better traction. Keep it slow and air back up for higher speeds.

However, some stock tires probably should not be aired down.
Post what tires you have and someone else weigh in here.

[bosscat800 [OP]]

Sorry, should have said, stock tire size is, 265 70/ R17. Tire is, Goodyear Duratrac. Yes, I realize I will have to air up and I am looking into the Viair 450P as my compressor.

[Q808]

Also, for questions like these first try to search topic.

Example, google search: "fj cruiser forums air down"

What can I air down stock tires to?

This one popped up and has lots of good info.

[Q808]

bosscat800 previously said:

Sorry, should have said, stock tire size is, 265 70/ R17. Tire is, Goodyear Duratrac. Yes, I realize I will have to air up and I am looking into the Viair 450P as my compressor.

Nice, the Duratrac's are awesome and could go way down. I thought you where talking about the dealership Dunlop Road Tire.

No Worries

[tgormtx]

I usually drop down to somewhere between 15 and 20


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[bosscat800 [OP]]

So, does airing down make a big difference in going on top of the snow or digging into the snow?

[FJess]

bosscat800 previously said:

So, does airing down make a big difference in going on top of the snow or digging into the snow?

Airing down makes a huge difference in the snow. If you ever get stuck, try airing down a bit more (as low as 8-10) and see if you get moving again...it's very effective unless what has you stuck is being high-centered.

I would not wheel in the snow with out airing way down.

[FJX2000]

I've always been worried with my setup to air down too much. Because I have such wide tires (305/70R16s) on the very narrow TRD wheels (only 7.5 inches wide) there is quite a lot of budge, and i'm always afraid that if I air down too much, I'll break the bead and then be SOL

[iwashmycar]

You can air down quite a bit, especially with an E tire. I usually go 15 and you cant hardly even tell by looks.