[SSSIERA]

just chassing some info on what pressures every one runs there tyres at for different stuff!
though maybee a coppy and paste sorta thing would be good so us suzuki noobs can get an idear!

what sort of tyres are you running:
what size:
what are they on:
what rims:
what offset:

what do you run them at on:
sand:
mud:
rock:
road:

[SSSIERA]

what sort of tyres are you running: roadstone radial ATs
what size: 235/75/R15
what are they on: WT sierra
what rims: stockman rims (i think there 5.5)
what offset: ????anyone know

what do you run them at on:
sand: - (suggestions) how low can i go?
mud: -(suggestions)
rock: -(suggestions)
road: -(suggestions)
---------------------------------------------------------------------------
what sort of tyres are you running: roadstone radial ht
what size: 205/??/R15
what are they on: WT sierra
what rims: sierra rims (i think there 5.5)
what offset: ????anyone know

what do you run them at on:
sand: - 15
mud: -(suggestions)
rock: -(suggestions)
road: - 30

[Rusho]

what sort of tyres are you running:Silverstone MT sport
what size: 31x10.5
what are they on:Suzuki SWB Coily
what rims: Steel 15x7
what offset:-13

what do you run them at on:
sand: 12-14psi
mud: 12-14 psi
rock: 8-10 psi
road: 22 psi

[buzbox]

what sort of tyres are you running: rubber with steel belt
what size: 165/75/R14
what are they on: Wheels
what rims: round ones
what offset: What does material of the wheel and offset have to do with tyre pressure?

what do you run them at on:
sand: 32psi Cold
mud: 32psi Cold
rock: 32psi Cold
road: 32psi Cold

[monley]

what sort of tyres are you running:Procomp x-terrain's
what size:31x10.5
what are they on:Jimny
what rims:15X8 Dynamic's
what offset:f-100

what do you run them at on:
sand:7-8psi
mud:8psi
rock:8-9psi
road:26psi if the road's are wet or 30psi if road's are dry and i'm doing freeway driving....

[stocker]

what sort of tyres are you running: Mickey Thompson Baja Claws
what size: 31 / 11.5 / R15
what are they on: LWB Vitara
what rims: Not sure
what offset: -23

what do you run them at on:
sand: 7psi
mud: 14psi
rock: 14psi
road: 30psi

[SierraDan]

what sort of tyres are you running: Hankook Dynapro MT
what size: 31x10.5r15
what are they on: Sierra
what rims: 15x8 King Wheels
what offset: -23

what do you run them at on:
sand:5psi
mud:8psi
rock:8psi
road:[/quote] 26psi

[alien]

what sort of tyres are you running: BFG KM2
what size: 31x10.5r15
what are they on: WT Sierra
what rims: 15x7 Custom Made Rims
what offset: -38mm

what do you run them at on:
sand: 10psi
mud: 10psi
rock: 10psi
road: 26psi Front, 22psi Rear

______________________________________________

what sort of tyres are you running: Kumho KL71
what size: 31x10.5r15
what are they on: WT Sierra
what rims: 15x7 Procomp Series 52
what offset: -38mm

what do you run them at on:
sand: 8psi*
mud: 8psi*
rock: 8psi*
road: 26psi Front, 22psi Rear

*The reason i run these lower than the KM2 is because i can. The KM2 pull off the bead below 10psi, while the KL71 don't suffer this issue.

[zuk85]

what sort of tyres are you running: Silverstone AT-117
what size: 235/75/r15
what are they on: Jimny, vvt Yooooo! ha ha ha
what rims: 15x7 king rims
what offset: -13 or -16 cant remember

what do you run them at on:
sand: 18-20 psi
mud: 12-14 psi
rock: 10 psi
road: 34 psi Front and 32 psi rear/ and drop 2-4psi each if onset of rains

please note: all tyre pressure subject to change without notice due to uncontrolled circumstances including: bogging, weather conditions and or vehicle problems lol

[Aaron]

what sort of tyres are you running: maxxis bighorn mt 764
what size: 31/9.5/r15
what are they on: WT Sierra
what rims: 15x7 dynamic rims
what offset: -13 or -16 cant remember

what do you run them at on:
sand: havnt driven any yet
mud: 10 psi
rock: 10 psi
road: 34-38 psi

[Gwagensteve]

what sort of tyres were you running: swampers
what size:9/34 16
what are they on: 98" Wheelbase 1.0 tray back
what rims: beadlocked 16X5.5 f100
what offset:Dunno. not relevant to pressure. About 2.25" BS

what do you run them at on:
sand: 6psi
mud: 6psi
rock: 6psi
road: 20psi

[ZookZilla96]

what sort of tyres are you running:(used to run MT Baja Claws)
what size:31x10.5R15
what are they on: 96 coily
what rims:15x8 dynamic sunraiser
what offset:-23

what do you run them at on:
sand: 36psi cause i couldnt be fucked letting them down..
mud: 36psi (until bogged, then 18psi)
rock: 20psi
road: 36psi

[shep]

i put air in when the rim touches the ground.

[sideways]

shep wrote:

i put air in when the rim touches the ground.

I put tyres on when the rim touches the ground.

























Boom Boom.

[christover1]

what sort of tyres are you running: Federal Couragia MT
what size: 31 x 10.50 x 15
what are they on: 93 LWB Vitara
what rims: Dynamic 15 x 7
what offset: -13

what do you run them at on:
sand: 8 psi
mud: 10 psi
rock: 10 psi
road: 24 - 26 psi

[Red89]

what sort of tyres are you running: Simex ET2
what size: 32x9.5r15
what are they on: WT Sierra
what rims: 15x7 F100's
what offset: Dont know

what do you run them at on:
sand: 5psi
mud: 5psi
rock: 5psi
road: N/A

______________________________________________

what sort of tyres are you running: Maxxis Creepy Crawler
what size: 38x13r15
what are they on: WT Sierra
what rims: 15x10
what offset: Landcruiser offset

what do you run them at on:
sand: 5psi
mud: 5psi
rock: 4-5psi
road: N/A

[BlueSuzy]

what sort of tyres are you running: Nankang Mudstars
what size: 33x12.5
what are they on: WT Sierra
what rims: 15x8 Kings
what offset: -28

what do you run them at on:
sand: 10-12
mud: 10-12
rock:10-12
road: 26-26 (rear was locked, Reduced friction all round, When tyres at 20psi as per placement card, you could feel the tyres slowing you down faster)

[MacDaddy]

what sort of tyres are you running: Maxxis Bravo 771 LT AT
what size: 225/70/16
what are they on: 01 Grand Vitara
what rims: 16x7 Stock GV Steel Rims
what offset: Unknown

what do you run them at on:
sand: 12psi
mud: 14psi
rock: 14psi
road: 26psi

[SSSIERA]

so i should be ok to run mine at 10psi b4 i start popping beads????

[rick1970]

what sort of tyres are you running: Maxxis Bighorns
what size: 235/75R15
what are they on: LWB Sierra
what rims: Steel 15x7
what offset: -13???

what do you run them at on:
sand: 12
mud: 12
rock: 12
road: 20

[sideways]

SSSIERA wrote:

so i should be ok to run mine at 10psi b4 i start popping beads????

Just keep on letting them down until you find the limit.

Take a ratchet strap, a big bottle of water(to clean out the bulk of the crap that'l get in there, I wouldn't bother if you're experimenting on sand though) and some detergent with you and you'l get it back on the bead just fine.

[neofitou]

what sort of tyres are you running: Hankook Dynapro MT
what size: 215/75r15
what are they on: Jimny
what rims: stock
what offset: stock

what do you run them at on:
sand:15psi
mud:15psi
rock:15psi
road:15psi

15 is what we have to run on the roads here, the bitumen roads are word than most dirt roads in au.

I do let them down more in the hills if I need to, be haven't had to much.

[Gwagensteve]

SSSIERA wrote:

so i should be ok to run mine at 10psi b4 i start popping beads????

Depends on tyre and wheel type, the amount of time the tyres have been on the rims, driving style, and terrain.

Generally, 10 psi should be no problem - look at the number of people who have responded to your post with 10psi as their preferred pressure.

I am suspicious as to how many people have aired down until the tyres fell off and then worked up from that point though - I've seen people running 5psi on unbeadlocked rims without a problem, under certain circumstances. With radials in good condition that have been on rims for a while, I would have thought 8psi would be fine too.

You can always experiment with sikaflex or mastic to prevent the tyre falling off. I haven't found this to be very effective though. RTV Silicone is NOT effective in holding tyres on beads.

There's also two different constructions that are relevant here. Radials have a very stiff tread and soft sidewalls. The minimum pressure in a radial is determined by when the rims will touch the ground. Radial tyres work better the lower you go up until the point the rim starts to hit the ground. The compromise is that when on side angles, the tyre won't have enough lateral stability and will tuck under the car and make the car less stable.

Cross ply tyres (Simex, swamper, Comp Trep/Creepy, many 7.50 16 "mine service" tyre tyres) has a flexible tread and a stiff(er) sidewall. Crossply tyres are a bit of a different thing. The tread will start to fold up (crease down the middle) at higher pressure than a radial will normally show problems at. Still, air a cross ply down by eye rather than gauge and you'll be surprised how low you go before they start to bag.

The key is to find tyres with low load ratings. You never want anything with a load rating over 'C' or 6 ply on a sierra if you can avoid it. Higher load ratings mean you'll have to go lower with air pressure to get the tyre to perform and that means it's more likely to fall off the bead.

Steve.

[Drova]

what sort of tyres are you running: Maxxis Bighorns
what size: 235/75R15
what are they on: N/T
what rims: 15x7 f100
what offset: -13???

what do you run them at on:
sand: 8
mud: 10
rock: 10
road: 20-22

[BlueSuzy]

In mine, I ran 10-12 to be safe. Never popped a bead and never had anything foreign in the bead giving pressure problems.

I never let them down lower to test when the bead pops off. Never needed to, never wanted to. PITA.

[sogone]

what sort of tyres are you running: Federal couragies, Bighorns
what size: 31x10.5, 33 x 12.5's
what are they on:Suzuki SWB WT
what rims: Steel 15x7

what do you run them at on:
sand: 8, 10
mud: 8,10
rock: LOL no rocks in darwin.
road: 8, 10

[SSSIERA]

Gwagensteve wrote:

SSSIERA wrote:

so i should be ok to run mine at 10psi b4 i start popping beads????

Depends on tyre and wheel type, the amount of time the tyres have been on the rims, driving style, and terrain.

Generally, 10 psi should be no problem - look at the number of people who have responded to your post with 10psi as their preferred pressure.

I am suspicious as to how many people have aired down until the tyres fell off and then worked up from that point though - I've seen people running 5psi on unbeadlocked rims without a problem, under certain circumstances. With radials in good condition that have been on rims for a while, I would have thought 8psi would be fine too.

You can always experiment with sikaflex or mastic to prevent the tyre falling off. I haven't found this to be very effective though. RTV Silicone is NOT effective in holding tyres on beads.

There's also two different constructions that are relevant here. Radials have a very stiff tread and soft sidewalls. The minimum pressure in a radial is determined by when the rims will touch the ground. Radial tyres work better the lower you go up until the point the rim starts to hit the ground. The compromise is that when on side angles, the tyre won't have enough lateral stability and will tuck under the car and make the car less stable.

Cross ply tyres (Simex, swamper, Comp Trep/Creepy, many 7.50 16 "mine service" tyre tyres) has a flexible tread and a stiff(er) sidewall. Crossply tyres are a bit of a different thing. The tread will start to fold up (crease down the middle) at higher pressure than a radial will normally show problems at. Still, air a cross ply down by eye rather than gauge and you'll be surprised how low you go before they start to bag.

The key is to find tyres with low load ratings. You never want anything with a load rating over 'C' or 6 ply on a sierra if you can avoid it. Higher load ratings mean you'll have to go lower with air pressure to get the tyre to perform and that means it's more likely to fall off the bead.

Steve.

thanks for the info steve! ive never had to deal with the light weighness (for want of a better word) of a suzuki before so ive always just used 15 as a minimum for beach work with pootrolls and cruzas, the tyres are supposed to be mounted on a bigger rim than they are, so i wasnt sure about how low i could go. judging from what you have said. i plan on running at 12-15 psi. if i have problems with that ill drop to 10 and then if i realy get stuck ill air down to 8 (as a last resort). its mainly for this weekend coz i havent done much wheeling in the sierra yet and havent done any with the 235s (on rims today )
just to describe lancelin to you! generaly for the first 2 kms or so along the coast heading north its chopped up as all hell because everyone thrashes buggys and bikes etc up this far from lancelin towards wedge island. after you get past this its prety smooth sailing, in good conditions you can normally sit on about 100 if you stick down near the water (everyone seams to be scared of the hard ground) the hardest part is crossing the chopped up bit to get down there, as i imagine the case with most beaches to be! (main reason i told u all that was to describe the sort of terain/ driving conditions)

cheers for your help
SSSIERA

(ill carry some aero start just incase )

[SierraDan]

10psi will be fine on the sand. I run half that on my car.
A compressor works fine for putting beads on.

[sideways]

Gwagensteve wrote:

SSSIERA wrote:

so i should be ok to run mine at 10psi b4 i start popping beads????

Depends on tyre and wheel type, the amount of time the tyres have been on the rims, driving style, and terrain.

Generally, 10 psi should be no problem - look at the number of people who have responded to your post with 10psi as their preferred pressure.

I am suspicious as to how many people have aired down until the tyres fell off and then worked up from that point though - I've seen people running 5psi on unbeadlocked rims without a problem, under certain circumstances. With radials in good condition that have been on rims for a while, I would have thought 8psi would be fine too.

You can always experiment with sikaflex or mastic to prevent the tyre falling off. I haven't found this to be very effective though. RTV Silicone is NOT effective in holding tyres on beads.

There's also two different constructions that are relevant here. Radials have a very stiff tread and soft sidewalls. The minimum pressure in a radial is determined by when the rims will touch the ground. Radial tyres work better the lower you go up until the point the rim starts to hit the ground. The compromise is that when on side angles, the tyre won't have enough lateral stability and will tuck under the car and make the car less stable.

Cross ply tyres (Simex, swamper, Comp Trep/Creepy, many 7.50 16 "mine service" tyre tyres) has a flexible tread and a stiff(er) sidewall. Crossply tyres are a bit of a different thing. The tread will start to fold up (crease down the middle) at higher pressure than a radial will normally show problems at. Still, air a cross ply down by eye rather than gauge and you'll be surprised how low you go before they start to bag.

The key is to find tyres with low load ratings. You never want anything with a load rating over 'C' or 6 ply on a sierra if you can avoid it. Higher load ratings mean you'll have to go lower with air pressure to get the tyre to perform and that means it's more likely to fall off the bead.

Steve.

Xalot

Here's the old 8 ply cross ply tires on my LJ. This is with the valve REMOVED and no pressure in them at all!!

The worst part is the ride.

To be fair, these tyres are ancient and quite solid, they're also retreads. Still proves the point though.

EDIT: Just FYI, I ran 5-10 psi in my Toyota Corona paddock basher, I spend years doing jumps, big slides, plenty of 2wd wheeling and the only time I lost a bead was when a stick went through one of the tires. The tyres it had were just street tyres but they were quite wide for the rims. Having seen 235s on Sierra rims I'd say say you could go really low and not have any issues.

[stockman]

what sort of tyres are you running: Sumitomo Serengeti
what size: 31"
what are they on: WT
what rims: King
what offset: -24

what do you run them at on
sand: 10psi
mud: 10psi
rock: 10psi
road: 10psi


[hr]

what sort of tyres are you running: Kummho KL71
what size: 215/75/15
what are they on: WT
what rims: Stock
what offset: ?

what do you run them at on
sand: 8psi
mud: 8psi
rock: 8psi
road: 18psi