What PSI (pressure) are you running?

MillerPKA · 06-25-2007, 02:48 PM

I had mine at 34 a week ago and just put them up to 60 for fuel efficiency but its way too stiff, it seems my body takes the hit for every bump haha, just wanted to see what people were running on road

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aviator31 · 06-25-2007, 03:02 PM

Ouch, that's some serious air! I run mine at 35, tried 40, but thought that was even a little firm for my taste.

terryjmatthew · 06-25-2007, 04:11 PM

305/70R16 BFG Mud terrain KM's--> 35 psi

drguitarum2005 · 06-25-2007, 04:12 PM

33x12.5r15 BFG A/T 32 psi COLD to ~35 psi hot

SOAZtim · 06-25-2007, 04:27 PM

60! wow. I think your lucky they didn't blow...

rdharper · 06-25-2007, 04:33 PM

Bridgestone Desert Duelers
On the '94 4Runner, 50lbs front and rear.
On the '85 long bed, 32 front, 35 rear.

Will probably switch to BFG based on polls here, when they need replacing. However I've had no problems with the Bridgestones.

I use those screw on tire pressure monitor cap thingees to make sure the pressure is not below the above values. I like them as you can tell by a casual walk-around that the pressure is above the minimum. No guessing by tire curvature.

89macrunner · 06-25-2007, 05:08 PM

35psi for me. used to run 32 but 35 increased my gas mileage

Adam F · 06-25-2007, 05:08 PM

stock tires, 32psi as per door jamb sticker

Elton · 06-25-2007, 05:43 PM

i also run 35psi just make sure you dont put 35psi in the tires when there cold

Avsfreak1234 · 06-25-2007, 05:47 PM

Ive been running about 45 and my milage is great. It is a really stiff ride though. the guy who put my tires on said always run at least 40 on the road. It seemed a little high to me but he knows his business.

vudbster · 06-25-2007, 07:38 PM

35 psi on the road for me. 265/70/16 BFG Allterrians

111db · 06-25-2007, 07:50 PM

30 on 285's

CJM · 06-25-2007, 07:53 PM

Chalk test:

Take piece of chalk, draw a line across tread. Drive 100 feet or so straight. See where it rubs off, adjust pressure to make it evenly wear off.

More pressure = stiffer ride, better mpg, Less pressure = better ride less mpg. Run within 5-10 psi of the highest pressure rating, thats what you will find with the chalk test.

Dont ever run the pressures on the side of the damn doorjamb, thats fort he stock tires that came with the vehicle! Mine is for 235's, what happens if I run 235s in a T100 at 32 psi??? THEY ARE FLAT.

I keep telling people this, take my advice.

nieuwendyk-25 · 06-25-2007, 08:01 PM

I run 30 psi on my BFG A/T's (265's). I was running higher but the ride was rough and they seemed to bounce over bumps like you were on a washboard.

Nuthuts96 · 06-25-2007, 10:45 PM

35psi on 265/70/16 Duelers- like most on here it seems.. nice, even ride, and still over 20 mpg!

leonardator · 06-25-2007, 11:21 PM

when the guy put my swampers on he cranked em up to about 35psi, but now i run em about 17 no matter where i am.

stormin94 · 06-25-2007, 11:24 PM

I have 31-10.50's and run about 30 PSI all the time, but i get about 16 MPG. I dunno if its from that though.

pennywize · 06-26-2007, 12:11 AM

28 front, 26 rear. 34" swamper ltb's
only have about 30 miles on them, might adjust the pressure later...

paxil4x4 · 06-26-2007, 12:16 AM

I have been leaving them at 50 PSI which is the max my tires can handle I think.

BTW Toyo A/T Open country IMO are garbage they ride like crap no matter how much air they have in them.

mehret · 06-26-2007, 12:53 AM

Anywhere between 32 and 37 psi. I check them very seldomly, so I leave a fairly large window for error.

fork · 06-26-2007, 02:19 AM

35 in the front and 40 in the rear (bfg mt 32x11.5r15)

18 all around (bias claw 35x15.5, tsl sx 35x15.5)

per5uas1an · 06-26-2007, 02:35 AM

Definitely a major difference when I run my BFG A/T 32x11.5's at 35 vs 50 psi. especially on the freeway. Now I was wondering about what it says on the side of my tire. It doesnt state a max pressure but instead only shows what the max. load weight is for a pressure of 50psi. So is 50psi the max optimal pressure?

KZN185W · 06-26-2007, 05:59 AM

30-32 psi .. LT285/75R16 Dunlop Grandtrek AT2

Joshs98Runner · 06-26-2007, 08:32 AM

35 F 37 R on 265/75/16 BFG AT Load Range D

The load rating of your tire, and size will have an effect on how much pressure is required to reach proper inflation for your vehicle. As stated above that door jamb sticker doesn't work well for after market tires, sizes and different load ratings. I might put my BFG's up to 40 because they seem like they are wearing a little more on the outer edges than in the middle.

Beartracker · 06-26-2007, 05:10 PM

29 front. 32 rear. Rides good, great mpg and the tire wear has been fantastic!

06-25-2007, 04:11 PM	#3 (permalink)
terryjmatthew Contributing Member Join Date: Aug 2004 Location: Auburn, Al Posts: 1,331	305/70R16 BFG Mud terrain KM's--> 35 psi __________________ -Matthew http://www.yotatech.com/f79/terryjma...rofile-103826/ TLCA # 17870

06-25-2007, 04:12 PM	#4 (permalink)
drguitarum2005 Contributing Member Join Date: Dec 2005 Location: Houston (home), Atlanta (school), Cincinnati (work) Posts: 2,235	33x12.5r15 BFG A/T 32 psi COLD to ~35 psi hot __________________ -David 2000 Taco TRD Access Cab v6 \| 5spd \| 33" BFG A/Ts \| 33" PC Mud Terrains \| OME 882's \| Bilstein HD struts front \| Rancho shocks rear \| Chevy 63" leaf spring swap \| Custom sliders \| Custom front bumper \|3" BL \| U-Bolt flip \| Flowmaster exhaust \| Kenwood Speakers \| Grey Wire Mod \| Aux. Reverse Lights \| Deckplate Mod \| Lots of lights Pictures

06-25-2007, 04:27 PM	#5 (permalink)
SOAZtim Contributing Member Join Date: Jun 2006 Location: Snobsdale, SOuthern AriZona. Posts: 807	60! wow. I think your lucky they didn't blow... __________________ 2001 4runner. 255/85/16 BFG KM, A-trac/VSC disable switch. DR coilovers. OME rear springs with bilsteins, 4.88 gears with ARB lockers. Waeco CF-50 fridge. Home made sleeping platform with drawers. Home made rear bumper. Home made sliders. Blue sea fuse box. ICV8000 Icom 2meter. Uniden CB in ashtray. Donaldson Top Spin pre-filter with home made snorkel. TJM front bumper with m8000 and syn line. Baja Rack Mega Mule roof rack. Lowrance. 7" hid's. Lots of scratches. www.soaztim.com

06-25-2007, 04:33 PM	#6 (permalink)
rdharper Contributing Member Join Date: May 2006 Location: Morgan Hill, Ca Posts: 1,048	Bridgestone Desert Duelers On the '94 4Runner, 50lbs front and rear. On the '85 long bed, 32 front, 35 rear. Will probably switch to BFG based on polls here, when they need replacing. However I've had no problems with the Bridgestones. I use those screw on tire pressure monitor cap thingees to make sure the pressure is not below the above values. I like them as you can tell by a casual walk-around that the pressure is above the minimum. No guessing by tire curvature. __________________ Richard "Science by consensus... is not Science." Richard Harper -1988 '94 Toyota 4Runner V6 3L 158K miles 14mpg '85 Toyota 22rec 4WD SR5 LB PU 208K miles 18mpg '08 Honda Ridgeline RT 2.6K miles 16mpg '06 Honda Rincon ATV 410miles/65hrs 22 mpg

06-25-2007, 05:08 PM	#7 (permalink)
89macrunner Contributing Member Join Date: Dec 2004 Location: Tempe, AZ Posts: 2,062	35psi for me. used to run 32 but 35 increased my gas mileage __________________ Daily Driver: 2007 Windsor "The Hour" Fixed Gear 250 miles Crouch Rocket 2005 Felt F80 1100mi (purchased new in Jan 2008) 2006 Mazda3 GT 2000 TRD Tacoma..Bought back and crushed 1988 4Runner SR5 V6 5 speed..sold

06-25-2007, 03:02 PM	#2 (permalink)
aviator31 Registered User Join Date: Apr 2007 Location: Centerton,AR Posts: 200	Ouch, that's some serious air! I run mine at 35, tried 40, but thought that was even a little firm for my taste.

06-25-2007, 05:08 PM	#8 (permalink)
Adam F Registered User Join Date: May 2002 Location: Cincinnati Ohio Posts: 2,398	stock tires, 32psi as per door jamb sticker __________________ 88 4Runner. 350 V8, R150 5-speed. SAS, 36" TSL's, elocker rear

06-25-2007, 05:43 PM	#9 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,665	i also run 35psi just make sure you dont put 35psi in the tires when there cold __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

06-25-2007, 05:47 PM	#10 (permalink)
Avsfreak1234 Registered User Join Date: Oct 2005 Location: Estes Park Co Posts: 426	Ive been running about 45 and my milage is great. It is a really stiff ride though. the guy who put my tires on said always run at least 40 on the road. It seemed a little high to me but he knows his business. __________________ My Rides 98 Taco 4X4 2.7 2003 Gary Fisher Sugar Cessna 172...not really mine

06-25-2007, 07:38 PM	#11 (permalink)
vudbster Registered User Join Date: Mar 2003 Location: Vernon BC, Canada Posts: 90	35 psi on the road for me. 265/70/16 BFG Allterrians __________________ 1997 Toyota 4Runner Limited, 5vz-fe, auto, E-Locker, 265/70/16 BFG Allterrains 1989 Toyota Xtracab Pickup 3vz-e, 5 speed, 50L aux fuel tank, 8000 pound Ramsey winch, Tube bumpers front and rear SOLD Bush rig 1986 Toyota 4runner 22re 5speed 31's, cb, more to come. http://www.geocities.com/vdubster1

06-25-2007, 07:50 PM	#12 (permalink)
111db Registered User Join Date: Jun 2004 Location: Mesa AZ Posts: 1,215	30 on 285's __________________ Jon *97 4Runner 3.4 4.88's * ARB Lockers F/R * ARB compressor * Sonoran Steel numba 1 * 285 BFG AT/KO * TJM 17 * BudBuilt Skids * Stubbs Sliders & BBQ sauce * Irbis out back * Various Electronic Gadgets**

06-25-2007, 07:53 PM	#13 (permalink)
CJM Registered User Join Date: Aug 2006 Location: Central NJ Posts: 4,561	Chalk test: Take piece of chalk, draw a line across tread. Drive 100 feet or so straight. See where it rubs off, adjust pressure to make it evenly wear off. More pressure = stiffer ride, better mpg, Less pressure = better ride less mpg. Run within 5-10 psi of the highest pressure rating, thats what you will find with the chalk test. Dont ever run the pressures on the side of the damn doorjamb, thats fort he stock tires that came with the vehicle! Mine is for 235's, what happens if I run 235s in a T100 at 32 psi??? THEY ARE FLAT. I keep telling people this, take my advice. __________________ 96' T100 SR5 4x4, ISR mod, Custom ABS snorkel, KC 57's Hella optilux el cheapo backup lights. Cobra 19III CB, Firestick 4ft antenna, Bilstein shocks. Be polite. Be professional. But, have a plan to kill everyone you meet. Last edited by CJM; 06-25-2007 at 07:55 PM.

06-25-2007, 08:01 PM	#14 (permalink)
nieuwendyk-25 Contributing Member Join Date: Mar 2005 Location: The Republic Texas Posts: 872	I run 30 psi on my BFG A/T's (265's). I was running higher but the ride was rough and they seemed to bounce over bumps like you were on a washboard. __________________ DMN, D.D.S. "DOC" 2000 4Runner SR5 4WD- RADIANT RED, Toyota E-Locker, BFG AT's, Yakima Rocket Box, Toyota Ski Rack, Alpine Amp, iPhone interface, Focal 6.5" Components Front & REAR!, Monster Wiring, Husky Liners, Magellan Color GPS, Bilstein Sucks...I mean Shocks 2005 Sequoia SR5 4WD- BRILLIANT WHITE, Yakima RB, Husky Liners, 10.4" LCD/DVD Player, iPod interface, BFG AT's 1986 Jeep CJ-7- Hard & Soft Tops, Alpine CD, iPod interface, Polk Speakers, 31" BFG AT's, Bosch Lights, Mopar MPI

06-25-2007, 10:45 PM	#15 (permalink)
Nuthuts96 Registered User Join Date: Feb 2007 Location: Burlington, VT previous: Everett, WA; Bellingham, WA Posts: 290	35psi on 265/70/16 Duelers- like most on here it seems.. nice, even ride, and still over 20 mpg! __________________ Scott 1996 White 4Runner-4x4-SR5-5 speed-gold trim 140k-265/75/16 Yokohama Geolander AT/S Cupholder Mod- Overhead Console Mod

06-25-2007, 11:21 PM	#16 (permalink)
leonardator Registered User Join Date: Mar 2007 Location: washington Posts: 58	when the guy put my swampers on he cranked em up to about 35psi, but now i run em about 17 no matter where i am.

06-25-2007, 11:24 PM	#17 (permalink)
stormin94 Contributing Member Join Date: Jun 2007 Location: Lake County, CA/Sacramento Posts: 3,539	I have 31-10.50's and run about 30 PSI all the time, but i get about 16 MPG. I dunno if its from that though. __________________ 1994 Toyota 4Runner SR5 4X4 213,000 miles and counting 3.0 V6, 5 speed 10/15 MPG city/hwy(with 33's) Current Mods Headers, 2.5" Flowmaster custom exhaust, K&N FIPK KC Daylighter 100 Watt lights Ranchos x4, 2" Lift Downey coils 33-12.50 M/T's, 1" t-bar lift, 1" body lift Tow pkg w/ lighthookups Silverstar Headlights, Pioneer Deck w/XM Brushguard 250Watt JLAudio 8" W3 Sub Future Mods 12V Aux outlet-400/800peak inverter roof basket/lights Air locker 4.88 gears H.O. Alternator

06-26-2007, 05:59 AM	#23 (permalink)
KZN185W Registered User Join Date: Mar 2004 Posts: 693	30-32 psi .. LT285/75R16 Dunlop Grandtrek AT2 __________________ 1996 Pearl White Hilux Surf KZN185W SSR-G l 3.0L TDI l Dual Battery l LT285/75R16 l Recaro Seats Drive Your Dreams

06-26-2007, 05:10 PM	#25 (permalink)
Beartracker Registered User Join Date: Jul 2003 Posts: 868	29 front. 32 rear. Rides good, great mpg and the tire wear has been fantastic! __________________ 2001 Tacoma SR5 4x4 , step side, 2.7 , extended cab, Auto. Mobile 1 syn 5w30 , Valvoline 75-90 syn in front and rear diffs and transfer case. Factory 16" wheels ,31" Wild Country TXR 265/75/R16, Aluminum Betterbuilt bed tool box, CB , 55W Halogen light mounted on tool box for back up, Elbow air box mod, 2 500 Hella running lights, Nissan Clinometers/Altimiter custom mounted on dash with red back lights.Red dome and mapp light.

06-26-2007, 12:11 AM	#18 (permalink)
pennywize Contributing Member Join Date: Jul 2006 Location: Humboldt County, CA Posts: 285	28 front, 26 rear. 34" swamper ltb's only have about 30 miles on them, might adjust the pressure later...

06-26-2007, 12:16 AM	#19 (permalink)
paxil4x4 Drama Queen/Banned Join Date: Nov 2006 Posts: 816	I have been leaving them at 50 PSI which is the max my tires can handle I think. BTW Toyo A/T Open country IMO are garbage they ride like crap no matter how much air they have in them.

06-26-2007, 12:53 AM	#20 (permalink)
mehret Registered User Join Date: Sep 2005 Location: Mechanicsburg, PA Posts: 624	Anywhere between 32 and 37 psi. I check them very seldomly, so I leave a fairly large window for error. __________________ 87 Toyota Pickup 22r, 5pd., 230,000 miles, 15x8 steels, 31x10.5x15 Federal Couragia M/T, tiger camo

06-26-2007, 02:19 AM	#21 (permalink)
fork Registered User Join Date: Sep 2006 Location: out in the pacific Posts: 649	35 in the front and 40 in the rear (bfg mt 32x11.5r15) 18 all around (bias claw 35x15.5, tsl sx 35x15.5) Last edited by fork; 06-26-2007 at 02:20 AM.

06-26-2007, 02:35 AM	#22 (permalink)
per5uas1an Registered User Join Date: Mar 2007 Location: San Jose Posts: 10	Definitely a major difference when I run my BFG A/T 32x11.5's at 35 vs 50 psi. especially on the freeway. Now I was wondering about what it says on the side of my tire. It doesnt state a max pressure but instead only shows what the max. load weight is for a pressure of 50psi. So is 50psi the max optimal pressure? __________________ OMG, It almost flipped over!!

06-26-2007, 08:32 AM	#24 (permalink)
Joshs98Runner Contributing Member Join Date: Aug 2006 Location: Colorado Springs Posts: 301	35 F 37 R on 265/75/16 BFG AT Load Range D The load rating of your tire, and size will have an effect on how much pressure is required to reach proper inflation for your vehicle. As stated above that door jamb sticker doesn't work well for after market tires, sizes and different load ratings. I might put my BFG's up to 40 because they seem like they are wearing a little more on the outer edges than in the middle. __________________ 98 SR5- Desert Dune 3.4 auto 265/75/16 BFG A/T My Ride

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