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 What Tire Pressure do you run?
#599070
05/02/05 08:15 PM
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Joined: Aug 2004
Posts: 155
OP
Wheeler
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Just curious as to what tire pressure you guys are running both on and off road. I've got 33x12.5 BFG ATs on 10" rims that I have been running at 32 on road and 15-18 off road. But this past weekend on a trip I noticed most people seemed to be running closer to 12 on the trails and only airing back up to around 28-30 to hit the highway.
Any opinions?
1985 Toyota Pickup
5.29's
Rear Spool
Dual Cases
35" BFG MTs
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Re: What Tire Pressure do you run?
[Re: Terrys_85_Toy]
#599071
05/02/05 08:25 PM
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Joined: Nov 2003
Posts: 1,192
Body Damage is Cool
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generally, i run 30 all around on the road...if i am going to be carrying a heavy load, i pump up the fronts to 35 and the rears to 40-45.
off road, it depends on the terrain, but i never find myself going below 20. prolly should go lower, but i'm paranoid about losing a bead.
30x9.5 wild country RVTs (mud terrain radials).
1994 4x4 22RE W56 truck
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Re: What Tire Pressure do you run?
[Re: Stan_Marshall]
#599072
05/02/05 08:36 PM
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Joined: Jan 2000
Posts: 12,153
Web Wheeler
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On my 33x10.50 tires, I'll run anywhere from 20-50 psi on the road (the narrow BFGs are rated to 50 psi, the wider ones only 35 psi), but usually 30-40 for long highway trips. Off road anywhere from 7-15 psi, depending on terrain. Some tips on determining proper inflation pressures: http://www.4crawler.com/Diesel/Tires.shtml#ProperInflation
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Re: What Tire Pressure do you run?
[Re: 4Crawler]
#599073
05/02/05 08:39 PM
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Joined: Aug 2004
Posts: 1,298
Body Damage is Cool
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I'm running 20 on the road with 35X12.50 BFG's, but my wheels are only 7" wide.
If Mad Max had a 4runner...
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Re: What Tire Pressure do you run?
[Re: Terrys_85_Toy]
#599074
05/03/05 12:46 AM
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Joined: Jan 2000
Posts: 539
Rock Warrior
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I run 32 psi on the highway with 35" MTR's on 15X8's.
On the trail I run 4 - 20 psi depending on the trail.
20 psi - washboard roads i.e. Death Valley trails
12 psi - rocks
4 - 8 psi - snow
Terry Johnson Gettin' Off 4X4 Club'89 XCab SR5 V6 - D60 Hybrid SAS, Ultimate Marlin Crawler, Detroit rear, ARB front '97 TJ - Atlas 3.8 Twin Stick, ARB F&R, custom rollcage
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Re: What Tire Pressure do you run?
[Re: Terry4X4]
#599075
05/03/05 02:58 AM
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Joined: Jul 2000
Posts: 2,191
Body Damage is Cool
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26psi street, 33x12.50 BFG AT's on 15x8's. Any higher and they'd wear more at the center than on the sides. Never ran a trail where I didn't have to drive like 20-30mi before air was available so I've never gone lower than 20psi.
'87 4-Runner--DD/wheeler, 4.3 swap coming soon
'89 Supra--E85 powered 2jz NA-T Swap, 533rwhp 497ft-lbs
'89 Festiva, turboed BP swap powered by megasquirt
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Re: What Tire Pressure do you run?
[Re: Terrys_85_Toy]
#599076
05/03/05 04:01 AM
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Anonymous
Unregistered
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i run 50 psi, the highest my tires are rated for (31x10.5s)
you guys run such low pressures, it must be costing you at gas fillup time
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Re: What Tire Pressure do you run?
[Re: Terrys_85_Toy]
#599077
05/03/05 09:08 AM
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Joined: Apr 2002
Posts: 3,568
Roll Me Over
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I have the same tires on 10" rims.
35 psi on the street(heavy truck).
Washboards 15(rides as smooth as the street)
Rocks 12
Snow 2-10 depending on condition/type of snow.
Stan, you really don't have to worry about loosing a bead until you are down below ten psi, unless you happen to hit an obstacle at speed. Reseating a bead is very easy, all you need is an air source. A small compressor and a ratchet strap will do.
More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed
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