View Poll Results: What PSI do you run
20psi and up 46 41.07%
20psi and up
46 41.07%
No lower than 15psi 57 50.89%
No lower than 15psi
57 50.89%
10 to 12psi 8 7.14%
10 to 12psi
8 7.14%
10psi and below cuz beadlocks 2 1.79%
10psi and below cuz beadlocks
2 1.79%
Multiple Choice Poll. Voters: 112. You may not vote on this poll

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Old 08-15-2020, 10:08 PM #16
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On road I'll be at 36 PSI on LT255/80/17 or LT285/70/17. For Off roading I'm usually at 18 PSI for rocks and sand. For mud I'm at 13-14 PSI which worked very well in clay mud while I was in the Grand Canyon.
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Old 08-15-2020, 11:35 PM #17
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35 on road
19 off road
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Old 08-15-2020, 11:41 PM #18
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275/70/17 Wildpeak AT3w C load

35 On Road
18 Off-road
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Old 08-16-2020, 02:53 AM #19
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LT265/70R17 TOYO AT2

42 On
~14-16 off
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Old 08-16-2020, 09:05 AM #20
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305-70-17 E nitto ridge grappler on 17x8 rims

run 18-20 psi offroad mostly very rocky trails

on road 38-40 psi
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Old 08-16-2020, 09:38 AM #21
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285/70/17 KO2 C Rated

37psi Cold on road
15-20 Offroad


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Old 08-16-2020, 08:04 PM #22
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On road: 34 F 32R
Off road: 20 both

Stock TRD Pro rims and stock Terragrapplers 265/70/17

Next up for tires 275/70-17 OR 255/80-17 Either in Falcon Wild Peak AT3
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Old 08-16-2020, 10:26 PM #23
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Toyo ATII, 265/70-17
15 psi for sand, 20 for trails.
34 Street
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Old 08-16-2020, 10:53 PM #24
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Depends on what I’m driving through. Generally around 42-44 on road and 22.5 off-road.
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Old 08-17-2020, 05:30 AM #25
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265/75/17 Duratrac
20-25 psi trails 12-16 psi sand dunes


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Old 08-17-2020, 10:16 AM #26
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Depends how dedicated the terrain is, most stuff is a mix so I tend to stick with an all-around pressure.

Summer - Goodyear MTR/k 285/17 r17 stock trail rims
Winter - Goodyear DuraTrac 255/75 r17 stock trail rims

In general, same for both seasons:
37 on
20 off
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Old 08-17-2020, 10:43 AM #27
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I have yet to take the 4R in anything requiring me to significantly air down, but I wouldn't hesitate to go to 12 or 14 in soft sand..

On my off road rig, 37 inch toyo MT's 14.50x15 I regularly air down to 12 PSI and I don't have bead locks..only once did I have an issue where the side wall got up against some limestone which in turn got ground into the bead and caused a leak.

If you're cruising trails where you want the comfort of some extra traction, I would think anything between 15 and 20 would help a lot on the 4Runner..
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Old 08-17-2020, 11:47 AM #28
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Here's Toyo Open Country A/T 285/70R17 on Mickey Thompson "Deegan 38" wheels at 15 psi. First photo is 38 psi.
Truck weighs about 5,500 lbs

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Old 08-17-2020, 01:49 PM #29
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On road 37

Long loaded trip 39

Off road 18 to 20

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Old 08-17-2020, 06:35 PM #30
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BFG K02 C-load 285/70R17.

37 highway
17 off road

Makes a huge difference on very rocky Colorado trails such as Hancock or Williams Pass.
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