What PSI (pressure) are you running? - Page 2

ARB1977 · 06-26-2007, 05:38 PM

35 on 265/75R16's.

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Kaleb · 06-26-2007, 06:06 PM

40 On Road
7 On Sand
12 On the Trail

BT17R · 06-26-2007, 06:13 PM

40 on BFG A/T's to reduce their tendency to hydroplane.

neliconcept · 06-26-2007, 06:21 PM

40 to 42 with my firestones as the installer set them at that.

no more then 42 ever.

dude 60 is max pressure on these tires, stick with 35 to 40 during summer or else those things will nearly explode

BT17R · 06-26-2007, 06:23 PM

65 max cold on the latest series KO's.

Mulkey · 06-27-2007, 09:52 AM

Yoko Geolanders AT II 265/75/16 -max is 65 psi... 32 on the front and 30 on the back. Use to run them lower but gas $$$ suck. Had them rotated two days ago and they were blown to 50 psi. About knocked my teeth out.

Swede · 07-05-2007, 04:35 PM

In town I run my 285 Revo's at 30psi but on the highway I'll bump them up to 45psi which usually gets me another 4mpg.

TRDrunner · 07-05-2007, 08:28 PM

35 psi on 285's

X-AWDriver · 07-06-2007, 06:04 AM

35psi on my Nittos

Hayes · 07-06-2007, 06:21 AM

I run between 20 and 25 in mine

RunnerUp · 07-09-2007, 04:20 PM

40psi in my 285/75 nitto's. doing alot of interstate driving and need all the help i can get!

xcmountain80 · 07-09-2007, 04:22 PM

I run 35 in my Nitto's what kind of numbers you getting?

Aaron

RunnerUp · 07-09-2007, 04:28 PM

i dont know how to correct my mileage with the larger tires on there, but all interstate driving im into the 275-290 before empty range, maybe 300 if im really light on accel and flat ground. what kinda numbers are you getting?

Fo-runna · 07-09-2007, 07:57 PM

30-32 psi. 285/75's on stock rims. Close to perfect on chalk test. Still getting over 20 mpg on the hiway.

d0ubledown · 07-09-2007, 08:20 PM

30 all round on 315/75/16 MT/R. had em at 35...but my suspension is pretty stiff..so i dropped it down a notch. on the trail...i go down to about 12ish.

Shane916 · 07-18-2007, 08:09 PM

So I purchased Rockcrawlers and A/T BFG's and checked the PSI today... 60 PSI cold on all 4

...lucky to be alive after these 100+ degree days! Who in gods name would inflate to 60?!?!

frm_808 · 07-18-2007, 08:18 PM

what about the ratings that they give you on the tire?

Hayes · 07-18-2007, 08:40 PM

either of those tires could have a D or even an E load range, and if they do then 60 PSI is normal.

rdharper · 07-19-2007, 08:28 PM

My '85 SR5 is showing some wear on the outside of the front tires.

Toe-in is correct. And it handles fine. Tires are Bridgestone DD's. Truck info on door says 26 front, 35 rear. I've run 32 front / 36 rear for ever.

Tires have a lot of miles on them but wear is even with lots of tread left front and rear, except for the outside wear on the front.

I've never rotated the tires. Stopped doing that years ago when I first started running radials. Clearly in this case, I'd have prevented this, or at least doubled the miles with the same wear.

My wife drives the vehicle the most, and she is a way-to-slow driver.

So the question is, why the wear? Comments welcome.

Nate08 · 07-19-2007, 08:37 PM

35 on my Nittos.

CJM · 07-19-2007, 09:06 PM

Quote:

Originally Posted by rdharper

My '85 SR5 is showing some wear on the outside of the front tires.

Toe-in is correct. And it handles fine. Tires are Bridgestone DD's. Truck info on door says 26 front, 35 rear. I've run 32 front / 36 rear for ever.

Tires have a lot of miles on them but wear is even with lots of tread left front and rear, except for the outside wear on the front.

I've never rotated the tires. Stopped doing that years ago when I first started running radials. Clearly in this case, I'd have prevented this, or at least doubled the miles with the same wear.

My wife drives the vehicle the most, and she is a way-to-slow driver.

So the question is, why the wear? Comments welcome.

Because unless those are the exact stock sized tires that came with the truck then the door jamb, manual and factory info is useless.

I am sick and tired of this danged question and people keep on saying they run 35 in a tire designed to run 50psi Nothing against you btw.

Inflate the tire within 5-10lbs less than the maximum pressure. Take a piece of chalk and scribe a line across the tread and drive about 100 feet. Get out and check to see how the chalk wore off.

-If it wore off even the tire is inflated correctly.

-If it wore on the middle of the tread its inflated to much.

-If it wore off on the outside its inflated to little...

Now I am gonna say this one last danged time and hopefully some of you pick it up:
THE DOOR JAMB INFO, MANUAL AND ANYTHING FROM THE FACTORY OR SUCH ABOUT TIRE PRESSURE IS 100% WORTHLESS IF YOUR NOT RUNNING THE SAME EXACT SIZED TIRES THEY HAD ONE WHEN YOU BOUGHT THE THING NEW. YOU MUST DO THE CHALK TEST TO SEE WHERE YOU STAND!

That feels better.

Oh and

Quote:

Originally Posted by CJM

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 for the 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.

You either under inflation and have soft ride, the tires wear unevenly and quickly. Over inflation and you wear them unevenly or the correct inflation. A BFG AT in 265/75/16 says 50psi is max pressure, chalk test should yield about 39-42, not 35.

Quote:

Originally Posted by frm_808

what about the ratings that they give you on the tire?

Thats what you go by...

neilan · 07-19-2007, 09:44 PM

20 psi in my 36x 14.5's tsl's
35 in my 31 10.5's les schwab sxt mt's

i almost couldnt read this thread as i am so sick of checking or hearing about air pressure seeing as i do it all day at les schwab

Shoua · 07-19-2007, 09:46 PM

Wow. Some of you guys are running crazy high pressures...don't you guys wear out the center treads of your tires? Anyway, mine are set to 25 psi (32x11.50x15 Goodyear MTR). It seems that whether I set them at 25 psi or 32 psi, the mileage doesn't change for me...and at this pressure, I can drive on the road or go off road when needed without deflating/inflating my tires, as I don't have an onboard air supply.

Stock02 · 07-19-2007, 11:48 PM

29 lbs front and 27 lbs rear runnin Cooper STTs 265/75/16 load range D

89dlx · 07-20-2007, 03:49 AM

31x10.50 15 BFG mud terrains = 38 PSI

06-26-2007, 06:06 PM	#27 (permalink)
Kaleb Registered User Join Date: Sep 2006 Location: Oregon City, OR Posts: 635	40 On Road 7 On Sand 12 On the Trail __________________ MY BUILD

06-26-2007, 06:13 PM	#28 (permalink)
BT17R Contributing Member Join Date: Oct 2002 Location: Da Gorge, Oregon Posts: 5,673	40 on BFG A/T's to reduce their tendency to hydroplane. __________________ '07 FJ Cruiser TRD SE 6M/T

06-26-2007, 06:23 PM	#30 (permalink)
BT17R Contributing Member Join Date: Oct 2002 Location: Da Gorge, Oregon Posts: 5,673	65 max cold on the latest series KO's. __________________ '07 FJ Cruiser TRD SE 6M/T

06-27-2007, 09:52 AM	#31 (permalink)
Mulkey Registered User Join Date: Oct 2003 Location: Vail, CO- originally from Charleston Posts: 325	Yoko Geolanders AT II 265/75/16 -max is 65 psi... 32 on the front and 30 on the back. Use to run them lower but gas $$$ suck. Had them rotated two days ago and they were blown to 50 psi. About knocked my teeth out. __________________ 2K 4Runner Limited 4X4 2nd Gen TRD S/C LT265/75/16 REVO's OME 881/890

07-05-2007, 04:35 PM	#32 (permalink)
Swede Registered User Join Date: May 2003 Location: Prince Rupert, BC Posts: 311	In town I run my 285 Revo's at 30psi but on the highway I'll bump them up to 45psi which usually gets me another 4mpg. __________________ '98 4Runner SR5, V-6, 5-speed, 35" Baja Claws, 17x9 Eagle Alloys, E-Locker, 3" Susp Lift, 3" Body Lift, Elbow mod, Deckplate Mod, "D" gasket mod, Silverstars, Headlight Film, 67" TG Sliders, 8500lbs Portable Winch, Magellan GPS... Next on the list: 4:88 gears

06-26-2007, 06:21 PM	#29 (permalink)
neliconcept Banned Join Date: May 2006 Posts: 0	40 to 42 with my firestones as the installer set them at that. no more then 42 ever. dude 60 is max pressure on these tires, stick with 35 to 40 during summer or else those things will nearly explode

07-05-2007, 08:28 PM	#33 (permalink)
TRDrunner Registered User Join Date: Dec 2006 Location: Denver,CO Posts: 209	35 psi on 285's __________________ 1999 4runner Limited 4x4 - E Locker - SS #1.51 Kit - King 2.5" Coilovers - 285 Mickey Thompson Baja MTZ's - Stubbs Sliders - Alpine 9883 Deck - Shrockworks Front Bumper

07-06-2007, 06:04 AM	#34 (permalink)
X-AWDriver Contributing Member Join Date: Sep 2003 Location: Littleton,CO Posts: 10,173	35psi on my Nittos __________________ '99 4Runner Highlander 4wd E-locker,rear diff and deckplate mod * 265/75/16 Nitto TerraGrapplers * Yakima Load Warrior rack * clear corners/signals * Tacoma skidplate * Silverstar lamps/fogs Alpine CDA-9831,Bazooka EL Series 250w amp,MTX 10" sub

07-06-2007, 06:21 AM	#35 (permalink)
Hayes Registered User Join Date: Apr 2006 Location: Aurora, CO Posts: 1,884	I run between 20 and 25 in mine __________________ Obama is an acronym. OBAMA = One Big Ass Mistake, America

07-09-2007, 04:20 PM	#36 (permalink)
RunnerUp Registered User Join Date: Jul 2005 Location: Tampa, Florida Posts: 1,020	40psi in my 285/75 nitto's. doing alot of interstate driving and need all the help i can get! __________________ Kyle 2002 4Runner - Lifted/Locked/Armored/Charged - 145k Miles 2007 4Runner V8 Sport Edition 4WD 20k Miles Buy My Stuff!!! http://www.yotatech.com/f109/97-4run...rt-out-151470/

07-09-2007, 04:22 PM	#37 (permalink)
xcmountain80 Registered User Join Date: Jul 2004 Location: Jupiter, FL Posts: 1,876	I run 35 in my Nitto's what kind of numbers you getting? Aaron

07-09-2007, 04:28 PM	#38 (permalink)
RunnerUp Registered User Join Date: Jul 2005 Location: Tampa, Florida Posts: 1,020	i dont know how to correct my mileage with the larger tires on there, but all interstate driving im into the 275-290 before empty range, maybe 300 if im really light on accel and flat ground. what kinda numbers are you getting? __________________ Kyle 2002 4Runner - Lifted/Locked/Armored/Charged - 145k Miles 2007 4Runner V8 Sport Edition 4WD 20k Miles Buy My Stuff!!! http://www.yotatech.com/f109/97-4run...rt-out-151470/

07-09-2007, 07:57 PM	#39 (permalink)
Fo-runna Registered User Join Date: Nov 2006 Location: Richmond, Virginia Posts: 172	30-32 psi. 285/75's on stock rims. Close to perfect on chalk test. Still getting over 20 mpg on the hiway. __________________ '98 4-runner, 5-speed, 3.4, e-locker & leather. Deckplate, Toytec 3" OME 881/891, Locker mod & 285/75/R16 Mud Kings.

07-09-2007, 08:20 PM	#40 (permalink)
d0ubledown Contributing Member Join Date: Dec 2005 Location: vansterdam BC. Posts: 1,432	30 all round on 315/75/16 MT/R. had em at 35...but my suspension is pretty stiff..so i dropped it down a notch. on the trail...i go down to about 12ish. __________________ sonny ------- 1998 4Runner LTD. Fabtech CO fronts, OME/Pro Comp rears, SS rear links, Revtek diff drop, oem elocker, ARB RD90, 4.88's, 315/75/16 MT/R's on FZJ-80's, Trail Gear sliders, ARB Prado Bar, 1.5" 4Crawler BL, Tundra Brakes, wabfab disco's, IPF's...satoshi'd deckplated & ISR'd. SOLD!!! new ride: 1997 FZJ80. ome/arb/bfg/etc. when clinton lied..nobody died

07-18-2007, 08:09 PM	#41 (permalink)
Shane916 Registered User Join Date: Aug 2006 Location: Sacramento, CA Posts: 10	So I purchased Rockcrawlers and A/T BFG's and checked the PSI today... 60 PSI cold on all 4 ...lucky to be alive after these 100+ degree days! Who in gods name would inflate to 60?!?!

07-19-2007, 08:37 PM	#45 (permalink)
Nate08 Registered User Join Date: Jul 2007 Location: Bristol, TN Posts: 647	35 on my Nittos. __________________ Nate [/font] Suspension: Tundra TRD Fronts w/ Dual 3/8" "TerraBull" spacers: 2.5",Trekmasters, LC's/OEM LC Shocks: 3.5"... Performance: 4" Deckplate, TrueFlow Air Filter, ISR Mod... Shoes: 285/75/16 Nitto TG's, OEM 16x7 (6 spoke)... Armor: Stubbs Sliders... Exhaust: 18" Magnaflow SIDO, Magnaflow High-Flo Converter, 2.5" and 2.25" piping... Other Necessities: Custom Extendable Panhard Bar, Custom Bumpstop Drop Brackets, 1" Diff Drop...

07-18-2007, 08:18 PM	#42 (permalink)
frm_808 Registered User Join Date: Apr 2007 Location: las vegas, hawaii Posts: 90	what about the ratings that they give you on the tire? __________________ 1989 Toyota pickup 1997 Nissan 240sx redtop-sold 1987 Toyota turbo pickup 2004 Honda civc si www.hawaiiskindiver.com www.speedhawaii.com

07-18-2007, 08:40 PM	#43 (permalink)
Hayes Registered User Join Date: Apr 2006 Location: Aurora, CO Posts: 1,884	either of those tires could have a D or even an E load range, and if they do then 60 PSI is normal. __________________ Obama is an acronym. OBAMA = One Big Ass Mistake, America

07-19-2007, 08:28 PM	#44 (permalink)
rdharper Contributing Member Join Date: May 2006 Location: Morgan Hill, Ca Posts: 1,048	My '85 SR5 is showing some wear on the outside of the front tires. Toe-in is correct. And it handles fine. Tires are Bridgestone DD's. Truck info on door says 26 front, 35 rear. I've run 32 front / 36 rear for ever. Tires have a lot of miles on them but wear is even with lots of tread left front and rear, except for the outside wear on the front. I've never rotated the tires. Stopped doing that years ago when I first started running radials. Clearly in this case, I'd have prevented this, or at least doubled the miles with the same wear. My wife drives the vehicle the most, and she is a way-to-slow driver. So the question is, why the wear? Comments welcome. __________________ 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

07-19-2007, 09:44 PM	#47 (permalink)
neilan Registered User Join Date: Jun 2006 Location: Corvallis Oregon OSU Posts: 465	20 psi in my 36x 14.5's tsl's 35 in my 31 10.5's les schwab sxt mt's i almost couldnt read this thread as i am so sick of checking or hearing about air pressure seeing as i do it all day at les schwab __________________ DD: 87 4runner SR5, 31's, rebuilt engine, intake, new head, new injectors, new afm, 2.25 exhuast, header etc... SOLD: TR: 81 sr5 pickup. 5.29's spool rear, detriot front, highsteer, 36 sx's, lifted, bobbed, cagged, 22r with header, 32/36, 261 cam, new head and rebuild. Residing in the PNW bham 360

07-19-2007, 09:46 PM	#48 (permalink)
Shoua Registered User Join Date: Apr 2007 Location: Yuba City, CA Posts: 250	Wow. Some of you guys are running crazy high pressures...don't you guys wear out the center treads of your tires? Anyway, mine are set to 25 psi (32x11.50x15 Goodyear MTR). It seems that whether I set them at 25 psi or 32 psi, the mileage doesn't change for me...and at this pressure, I can drive on the road or go off road when needed without deflating/inflating my tires, as I don't have an onboard air supply.

07-19-2007, 11:48 PM	#49 (permalink)
Stock02 Registered User Join Date: Dec 2003 Location: PA Posts: 94	29 lbs front and 27 lbs rear runnin Cooper STTs 265/75/16 load range D __________________ 02 Tacoma Xcb 4x4 (mine), runnin 32"s 2.5" Daystar spacers, 1.5" Downey HD shackles, AOR sliders, 20# CO2 setup, SkidRow Tcase skid 04 Highlander AWD (hers)

07-20-2007, 03:49 AM	#50 (permalink)
89dlx Registered User Join Date: Oct 2006 Location: Branford, CT. Posts: 932	31x10.50 15 BFG mud terrains = 38 PSI

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