Airing Down Your Tires - Why, When, How
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- Опубликовано: 6 авг 2024
- When do you air down? How much? Why?
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![TOP 10 Things to CHECK BEFORE you GO OFF ROAD [Basic Overland Checklist]](/img/1.gif)
I like the One Hit Wonders better than the edited stuff, feels more like we're just hanging out talking.
The real question is, how did you squat that long?
FOR REAL
32” Falken Wildpeak AT on a 16” rim.
32 pavement,
20 gravel/mild trail,
12-14 rocks.
South west Texas desert and mountains.
As a complete non-technical Overland newbie, I found this to be incredibly useful and informative. I have watched a number of videos on airing down tires and this is the first time I have understood it. Thank you.
Same here, just getting started with a bone stock 80. It's quite intimidating to get into, glad channels like this break it down for newbies like us!
I currently am running Falken Wildpeak AT3W in 255/80/17 on a 14 Tacoma at 35psi highway pressure. I air down to 20-22psi for dirt/gravel, and 7psi for snow. Previously, I have had Goodyear Duratrac tires in 285/75/16 and 235/85/16, and also ran them at similar aired down pressures. At 7psi, I am able to ride on top of four feet of snow in most conditions.
Thank you for sharing this. I regularly highlight the benefits of airing down, and I regularly have commenters mock me for doing so. It absolutely positively makes a very real difference when you get off pavement.
BFG KO2 on a Subaru Forester, running 40 psi on pavement.
I air down to:
Basic forest roads: 22 psi
Technical terrain needing increased traction: 18 psi
Sand or snow: 12 psi
Air up with Viair 88p
Hey question, I have a 2016 Crosstrek. I do go off road, but not like how you do it. I stick to dirt, gravel, and washboard roads. I go 5-10 mph because it feels harsh. Am I gonna damage my vehicle if I go any faster? I see people going 40mph on washboard roads, stock! I just don't know if the suspension can handle it long term.
BFG KM3 37x12 on 17” bead locks Jeep JLUR. Run 28 normally, 14 light terrain, 10 for rock, sand, snow normally, 6 for max traction situation.
I have a Jeep TJ at 4400lbs, 38x14.50r17 Goodyear MTR. I run 18-20 on the highway, 10 on gravel, 7 on rocks and sand, and 2 in deep snow. Dirtylife beadlock wheels. Thank you for mentioning the fact that the tread grows both in width and length, most people do not realize this. I like that you mentioned the tire pressure should depend on weight but you didn’t really get into it enough, I always tell people to go to 2-3 psi per 1000lbs for gravel and rough dirt roads to smooth out the ride.
Love the campy one takes! Heavy 3500 crewcab Ram with XP Camper 295/60R20 Toyo Open Country M/T 34.2" 80psi highway, 40psi off road, 30psi sand and rock crawling. We never go below 20psi because we are HEAVY!
Falken wildpeaks at3W 265/75/16
Air down using arb analog deflator,air back up using a arb single on board comp. Digital gauge
Pavement 35-38 psi
Dirt,light rocks 15-18 psi
on a Tacoma trd orsb 4x4
Thanks for the video happy trails everyone!
(Live in In England) Kumho Road Venture. 33 12.5 R15 LT. 108Q
"Groceries!" Loving the one take wonders, keep em up please.
98%of my use is on tarmac and light camping so I typically stay at 38psi for engine economy sake.
My rig is a 1997 XJ Jeep Cherokee, with 197k on the clock
Probably the best video ever done about tyre pressures. Brilliant!
285/75/16.
3 ton troop carrier.
Pressures exactly as you stated but checked to fine tune if ambient temps get hotter.
Thank you!
We just drove the Owyhee Uplands Byway (Southwest Idaho) which is 103 miles of gravel in our van. 265/75/15 Toyo AT. These tires seem to have pretty soft sidewalls, I aired down to 26 psi from 44. The van rode very smoothly, cornered without drifting sideways on washboards, and I never slipped a tire driving in and out of campsites on sketchy tracks, rocks, ruts, and mud. Took about 20 minutes to air back up with a Harbor Freight 12V “high volume” air compressor. I reinflated to about 35 for the drive home and used the compressor at home to fully reinflate.
great video. you may have already covered this, but if you haven't, would you do a basic 'tire kit' video? (patch kit, stems, tire irons, ...) (edit, and is it easy to set those tire deflators to a set pressure so you can easily switch between one setting for general off-road, and one for more technical areas?)
Pro Tip for OVERLAND touring on long corrugated dirt tracks (as opposed to rock crawling/sand); stop every now and again and immediately get out and put your hand on the sidewalls of the tire. If it's too hot to keep your hand on, your pressure is too low. The heat will destroy the tire casing and it will, repeat: will, come apart on you eventually. Maybe not that minute or even that day or week. But when it lets go it will be total failure with no warning. That can be especially dangerous if you are back on the highway going at cruising speed when it decides to unglue. Happy trails!
VERY HELPFUL!! I run a K02 265/70/16 but just learning about the pressures. Thanks!
Great video, as always! I run 31 inch Toyo ATIIs with 15-inch rims on my 3rd gen 4runner, usually at 18 psi. (With 3 inches of suspension lift) I'm in South Central AZ, so lots of sand, rocks, and washes. 18 psi Seems to be the sweet spot for how I run and drive. If I'm in a wash or heavier sand for awhile, I'll lower to 14 or 15.
Thanks Michael. I have VIAIR OnBoard, ARB portable, & Power Tank in my rig at all the times.
Running 265/75-R16 Cooper SST's on my 5th Gen3 4R. I operate in 4X4 required terrain over 100 hours a week. The OB family and your videos help keep me safer on the job everyday.
Awesome timing! Just now putting a air system in my rig. 🤙🏻
Hey Mikey I liked it, a lot! A very informative, but concise tutorial. Cheers, Mate.
Thank you so much for that, you are definitely right about the lack of information on air pressures. Six Thumbs UP! 12779
Hey, Great vid. We also have the BFG KM3 315/70/17. So slightly diff size. We’ve tucked a Viair twin compressor w/ 2.5 gal tank where the spare was. LOVE IT!! No issues w/deep water crossings or deep mud. We air down in the same range you do. Looking forward to your cooking video.
Thanks for these videos. New or overlanding and I find them informative. I run 35” Nittos ok 17” rims. I typically air down to 15 psi. I have the tools in case I roll a tire but I really don’t want to be in the position on the trail. So I stay a little high to be safe. I think though I’m going to try 10-12 and see how much of a difference that makes
Like the One Take Wonders! Thank you for putting them out!
I run LT285/70/17 Load C Nitto Ridge Grapplers on my 2015 4Runner.
Using the JT Brooks auto-tire deflators. They're a bit tricky to set to the desired psi so I don't mess around with changing them.
For off-road (trails, rocks) 18psi
On-road 38psi seems to be the sweet spot for good rain-traction and confident handling.
One Take Wonder!! Love it! Subscribed, and just placed an order for the Stauns... Thanks!
@11:53 air down for rocky road! ............. and steaks tomorrow! 15 psi with 33" 10.50 15 BFG KM3 mudders , 1983 FJ40, Now I'll go down to 10 psi, thanks Micheal
You're doing well with the one take videos!
I run the KO2 in a 34x10.5 R 17 on a Jeep Wrangler JKU. For dirt road and light trails I run 18. For more aggressive trail about 15. Then in snow I'll run into the single digits but typically start at around 10-12 just to leave a buffer should conditions change.
Thank you!! Your answered my question again. I run a Jeep jk on km3’s 7.50r/16E’s, they are just a little more narrow than a 235/85/16. I run such a skinny tire because of the clay mud in my area. Not a true trail rig but very capable. Gravel roads and mud - 20 psi. And 33-36 on pavement. If I were to get stuck I would air down depending on situation.
‘14 Grand Cherokee 275/65/18 went out yesterday to a place we’ve been going for the last 10yrs for plinking and never had a 4wd vehicle before this. And aired down for the first time ever to 25psi made it up a hill I tried last weekend and couldn’t make it at 38psi. Didn’t have the means to air down our back up last weekend and this weekend I was prepared. It made a world of difference with just a 13psi drop. And the washboard road and “high clearance 4x4” road were so much more comfortable. Will try 20psi next time.
Stoked about finding this channel
33 inch BF Goodrich KO2 for Jeep JK 4 door with XD Rockstars 18 inch wheels. Usually air down to 18 for light rocky trails and if there are a lit of rocks I have aired down to 10 psi without any problems.
With no beadlocks
Thanks! About to use your recommended tire deflator to increase my PSI to 1,696,969 tonight!!!!
I have a set of the Coyote deflators, they work great. I am running 285-70 17 Falken Wildpeak AT3-W on a 2016 4Runner. I set my deflators for 18 psi and so far I haven't found a need to go lower, but I do need to experiment.
The first time I aired down I was secretly embarrassed that I hadn't done it before. Such a difference, not only in grip but in ride comfort, especially on washboard.
Love spontaneous videos like this :)
Thanks for the videos... K5 Blazer running Milestar Patagonia MT 35x12.50 17 on H2 factory wheels. Have run down to 13 psi rock crawling (these wheels hold the bead pretty good), but was pretty sketch without bead-locks. It's a heavy truck and with about 300lbs in tools/recovery gear/fridge I run 15-18 lbs for trails and rock crawling. That works amazing for me due to the weight of my rig. If really sandy, I'll drop a little more temporarily. I recently purchased a power tank (total convenience and luxury) but also have a built in compressor which I'll keep as a backup.
Thank you for posting. Good info.
Happy wife, happy life...Just saying she seems happy. Good for you guys and thanks for all the positivity and videos in these trying times. I will be using this information once we get out of this mess..
Well explained, thanks Mike. Stay healthy.
Thanks for the useful information!
BFG KO2s 15-18 psi standard trail running.
Thanks for being real!
I run 16x35 Mickey thompson MTZ3. 22psi for gravel and 14psi for crawling. 38psi for regular road use tends to make them last longer. I could probably go less for crawling but just not confident enough in the boulder (fake) bead lock wheels. I've contemplated on KM3s but stuck with Mickeys becouse I had great luck with them. Thanks for the videos and the content! You guys are great!
Enjoyed the video!!
Really like the one take wonders!
Another great one take video 👍👍👍 love it
KO2 for long trips with lots of highway driving, such as Dempster Highway, White Rim, or Continental Divide trails. Typically18 to 22 psi. Cooper Discoverer STT Pro for technical trails such as Kokopelli (we live in Moab). Typically 18 psi or a bit less. Seldom less than 15 psi, but may go lower after watching this video. Tires are 35" by 12.5" on 17 inch rims. Truck is heavily modified 2012 Tacoma with Marlin Crawl Box.
Thanks for making these videos, and for the channel. These are difficult times, and your videos are both entertaining and mood lifting.
All the best,
Michael
Thanks 🙏 Brother! Great info!
Great info thanks. Just getting started with this. Been running my 2006 Xterra 4X2.(I know, it’s the Wife’s old ride she gracious gave me. 😐) Shopping around for a 4X4.
Great vid. My like put it at 1k ! More importantly, it was informative enough and presented well enough, I subbed.
Thank you!
These are your best videos. One take. Its the future, we're all human with real lives.
O4 Ford F150 new style. About 10-15psi on soft dry sand, 15-18psi wet semi-damp sand and 25-30psi off road gravel roads...this was on a previous set of AT 10 ply 285/70R17. Now have a new set of Milestar Patagonias 315/70r17 or 35's and will test this year as to psi and terrain.
Another great video Sir
285/75 R16 KO2s on an 03 Sierra 1500. I'm new to overlanding so I don't have any preferred pressures yet (open to suggestions).
Thank you so much for this wealth of knowledge!
great video guys, keep safe
Very good and informative, thank you. "Did you get the rocky road?!" ...😂.. great to know about those deflators, will check them out. ... am running 215/75r15 Yokohama Geolandar go15's on method 502vspec's.. will air down to 18 for beach sand and soot. Otherwise I'm always at 33... 🙏🏼👊🏼🤙🏼
2010 JK stock rims 31" BFG KM 3's @ 32 psi have never aired them down off road mainly because until recently did not have a way to air back up. New air system is unconventional, running small 120V compressor ( HF 1 gal Fortress ) off my inverter, the compressor is whisper quiet. Also invested in a set of similar deflators so this season will be my initiation.
Great Video!
Recently purchased a 2000 Toyota 4Runner to do trail riding. It came with fairly new TOYO A/T P265/75R16 Open Country tires on the original Toyota Aluminum wheels that I run at 32 psi. I have no idea what pressure to run on other terrain That's the reason I'm watching videos Like yours
Awesome vid
Awsome video👍
Good video man!!
I use the fake Staun air down valves and they work relatively well and I also use a Viair 300P for my 315/75/16 Toyo MTs and it works great.
BFG KO2 T/A all-terrain (255/55R18) on a 04 Land Rover Discovery 2. Usually air down on gravel/rocky at 22-24 psi which is also my go to pressure or if its really rocky like 17psi, sand at around 14psi.
Adding to the LR thread. LR4 on Toyo Open Country AT3 (255/60R19) 20-25 psi.
Wow this was super helpful. New offroader here. I got a Ford Bronco Wildtrak 2022 35s. the driver's doors calls for 40PSI on road, I run 38psi for a more confortable ride. on the trails I go down to 20-22 psi. sometimes 18psi is the lowest I go. I do mud ruts mostly and some baja fast speeds. I am interested to see what yall thnk about those pressures. I am pretty new. I run the VIAIR 400P - 40045 for inflating the tires. I love it. I love the ARB505 deflator and it works great and fast.
Hey, I’m glad the video was helpful. If you were doing Baja speeds, it kind of depends if you are confident it is mostly sand you can air down more in the teens. If there’s a chance you’re going to hit a rock I would not want to be air down that low because you could damage a wheel or slip a tire. For mud go as low as you’re confident with if your wheels are untested and you don’t know how well they hold a tire at low pressures be conservative.
285/75/16 Toyo open country mt. I run 18- 22 off-road and sometimes lower in rocks with the TJ rubicon wheels with no problems.
I’ve got a 2017 Jeep Wrangler Sport (2Door) with 35” BFG K02’s on 17” Wheels. After doing a chalk test, I found that my tires work best (daily driving) between 30-35 PSI. When off road, (I’m predominantly an Overlander) I usually only air down to about 20 PSI.
Common Sense
Thank you
I hope to meet you guys some time just to say thank you
I have 285/70/17s on my 2019 Toyota Tacoma
Thanks Michael . 33x12.5x15 Falken Wildpeak MT 1985 FJ60 Land Cruiser Yuma AZ. 22PSI corrugations 14-18PSI rock and sand.
2007 Nissan Xterra fully loaded weighs in at 6200lb, Tires are Nitto Ridge Grapplers, 285/75R17 (34OD) E-rated.
I run ~18-20psi when I'm off pavement, and if it gets technical I will drop down to around 15psi.
Sand I run 15psi, snow I run 12-15psi or lower.
2018 Ford F250 Nitto Ridge Grappler 325/65R18: towing 65psi, Daily Driver: 55psi, Light trial driving 55psi, Moderate trails 25-20psi , Hard off road obstacles 12-8psi
I love one take wonders!!!
Jeep JKU running BFG KO2's 37 12.50 17s, sand or gravel at 14 psi works great. Never been stuck at that pressure in the dunes.
I'm running 33' Nitto Ridge Grapplers. I air down to 25 psi when on dirt/gravel and 15 on rocks.
Milestar Patagonia M/T, 31”x10.5”-15R on 8” wide Jeep rims under an ‘86 Suzuki Samurai (GVWR less than 3000 lbs). 25 PSI on the pavement. Down as low as 5-8 PSI off road. This extremely light vehicle allows for these low pressures that you wouldn’t want under heavier rigs. Side note: By scale factor, a modest 31” tire renders impressive approach, departure and break-over angles given the tire placement (close to bumpers) and short wheel base.
Milestar Patagonia MT (32X10.50R16LT) "E" Rated on CJ7 25psi hwy speeds, 12-14 rough gravel road.
Front to back increases, interesting I didn't consider. Thanks I needed help airing down nonBeadlock'd wheels Xtreme Recon JL.
'22 JL Xtreme Recon stock 35" BFG KO2 came in @ nearly 40PSI.
Another important consideration for airing down is overheating your tires and blowing one when driving too fast for too long. When the tire is aired down and the sidewall is flexing out, the tire is absorbing bumps and energy that, in a fully-inflated tire, is normally transferred to the suspension. Energy equals heat. Going fast on bumpy or corrugated roads for long stretches with your tires aired down really low can overheat them and blow out the sidewall. I know, 'cause I've seen it, and I've done it.
Lmao the wife’s reaction to interrupting. That’s was awesome
33x12.5 15
BFG KO2
30 psi when pulling camper
26 psi normal hwy
18 - 20 psi trail pressure
"06 Jeep LJ
Good review and helpful 🇳🇿👍😎
00 Wrangler- 35x12.50 ProComp X-treme M/T... 25-30 pavement, 12 psi on trails (rock crawling) non bead lock.
I'm not an overlander, but will be doing some remote camping in Big Bend which requires about 12 miles on loose gravel and some uneven road. No big rocks to get over. I'll be on stock 20 rims and Cooper Discoverer ATP2. You'd recommend going down towards 22psi? Then airing back up when I get back to pavement? I'll be doing this multiple times a day over the week. Just trying to not waste time but travel well. Thanks, great vid for a guy who knows nothing.
I typically run BFG KO2 285/75r17 at 12 psi on the dunes.
With those auto deflators , have you ever noticed extra air leaving the tires after going over a rock ? Lets call it burping , lol....Once you hit your mark just take them off right ? I think im sold on them. 285/75/16 Duratracs....18psi - 12psi. Not much lower than that really
2015 Toyota Tundra TRD Pro
BF KM3’s
275/70/18’s
Hwy- 40 psi (discount tire recommends)
Off Road-18psi
I have a 20 year old viair compressor. Still works great not as fast as their new compressors. My primary is my co2 tank viair is my backup now. Falken wild peak at3 12-20 psi rocks - washboard roads Colorado
Bfgoodrich KO2 275/18/75
Sand 15
Muddy waters wet lands
5 but came off rim.
Will get a bead lock now since i learned of it. For next pair
I myself have not gotten a new set of tires with the new truck, most likely going with KO2's. But i would like to point out something people often lack knowledge on, Properly airing down and lowering speed on corrugations. To get a better ride on corrugations , you would need to either lower you pressures to what you typically would on sand, if not a little lower, and lower your speed a good bit to not only have a comfortable ride and have your suspension last longer, but it also does less damage to the road/trail your on. The only other thing you could do is raise your speed to an unsafe level but that's not something you would do. Stay safe put there yall!
BFG KM3 in the popular 286/75R16.
Depending on terrain and speed for pressures. Highway long trips 37-40psi.
Easier trails, desert 25psi.
More rocks and slow stuff 12-15psi
I run a ko2 33/12.50r15 aired up around 40psi aired down 21-18 on trails on rocks and slow stuff 18-15 also my rim is just a regular steel rim no bead lock 👍🏼
33×12.5R15 BFG mud terrain on 92 Wrangler running 12 to 14 psi. Could go lower to around 10 on rocky trails to smooth the ride.
37x12.50x18 Toyo R/T on a 2018 Ram 3500 cclb diesel.
Sand: 10psi front, 8 psi rear
Gravel road: 18 psi front, 16 psi rear
Rocks: 16 psi front 12 psi rear
Snow: 20 psi front, 18 psi rear
Daily: 38 psi front, 30 psi rear
BFG recommends 20psi @ 20mph max. On of off road. You can play around these parameters, but it’s a good place to start.
OB 4516
03 Suburban Z71 285/70R17
BFG A/T KO2 40 on street, 20 gravel/fire road, 15 harder trails.
Thank you for this helpful video!
I have 225/55/18 all-season tire and is on a 35 psi per manufacturer guideline. I occasionally drive through graveled trail roads when i go to camp sites. Do you recommend that I air down my all-season tire? If you do, how much do I air it down to?
I’m also putting in a all-terrain tires soon, but in the same exact tire size. How much Do I air those down ?
Thank you !
I’ve only taken my Nitto Trail Grapplers (285/75R17) on stock JKUR wheels to 20psi. It was on the Bald Mtn trail at Rally to the Sierras last fall. That was very conservative, but haven’t built the experience with the tires and wheels to know how low I can go without breaking the bead.
Another great video. And, I am brand new (26661) so none of this is common sense to me. It is all new, so thank you for explaining it.
2000 4Runner 3rz (31' x 11.50' x 15R KO2) On road I run 2-3 Bar. Off-road I usually ran 1Bar
When you appeared on camera I thought you were gonna tell me to buy Cooper Tires "go with the Coopahs" lol
Great video though
285/70R17 10Ply 13 to 18 off road depending on terrain. Switching to Methods M701 rims from TRD rims.
Know that elevation changes along the trail will affect your indicated tire pressure as well, although not likely significantly unless running a very low pressure across a high degree of elevation change.
33 inch km 2s, 18 PSI for washboard roads, 10 to 14psi for mud, snow or Rock climbs. Stock rims 2009 jku-x