Tyre pressures
I own a 5 door Pinin Warrior (the last model variant produced in the UK), out the factory they were fitted with 235x50x18 tyres, unfortunatly the hand book only gives pressures for the 16" tyres. I'm currently running them at 33psi, but they look underinflated to me. I'd be grateful if anyone has any information regarding pressures for the 18" tyres.
tyre pressure
run them at whatever pressure you find to be comfortable.
I run standard the following pressures when I run these tyres:
standard 215/70-16's at 26psi
light truck 225/75-16 at 36psi
mud tyres 225/75-16 at 30psi
I'd say 33-40 would be a good starting point with your low sidewalls, but you can tell what is perfect by driving fast around some tight corners - you need to find the balance between hard vibration ride (too high), squeeling and breaking traction around corners (too high) and indirect soft feel and sidewall rubbing on hard cornering (too soft)
.
I own a 5 door Pinin Warrior (the last model variant produced in the UK), out the factory they were fitted with 235x50x18 tyres, unfortunatly the hand book only gives pressures for the 16" tyres. I'm currently running them at 33psi, but they look underinflated to me. I'd be grateful if anyone has any information regarding pressures for the 18" tyres.
Because of the lower profile, I would put 38 psi. This said, it won't change the look much ( you wrote"they look under inflated")
Tyre pressure is a touchy subject as many have different valid point of view. With lower profile if the pressure is too low you will see a darker section on the edge of the tyres (inside and outside), a little bit like a triangle, not to be confused with feathering on the outside edge (cornering)
If at mid life of the tyres they are wearing a bit more on the middle of the tyre than the edges, lower the pressure a bit. If the edges (inside and outside) are wearing more than the inside, run the pressure a bit higher.
Happy io
Waiting until "mid life" is a very expensive approach
If at mid life of the tyres they are wearing a bit more on the middle of the tyre than the edges, lower the pressure a bit. If the edges (inside and outside) are wearing more than the inside, run the pressure a bit higher.
Happy io
Get a stick of chalk and mark a band across the tire and then drive in a straight line for a few hundred feet and then examine the chalk mark - if the center has rubbed away, lower the pressure, if the edges (both inner & outer) have rubbed away, up the pressure.
thanks for the replies. I
thanks for the replies. I actually came across a couple of web sites that gave tyre pressures based on car registration, the result gave the correct tyre size and, surprisgly, a pressure of 29psi !!, so I'll keep them at around 32psi and keep an eye on tyre wear. This is one of the sites I found - http://www.tyre-pressures.com/
Noob here, I live in Northern
Noob here, I live in Northern Japan and using my 215/65 R16's, what psi front/back should I be running with for say icy/snowy roads? Misawa gets an average of 180 inches per year. Any help would be great! First time iO owner and snow driver! I really do get a kik out of driving my Pajero.
Hello guy, removing the dust
Hello guy, removing the dust on this post...
got some new tires last week (2 at the front).... and I wa suprised at the week end to see that they where a 40psi, hummmmmmmmmmm....
usually on the road I run 35
off road 25
beach 18-20
what do you think?
during my trip, coming soon, is 25 reasonnable ????
Tks :)
tyre pressure
Oh gosh...tyre pressure :)
IMO, and IMO only....you heard it before !!!....I can be wrong....
Unless you fitted very low profile tyres, in general 40 psi is too high for the io. Tyre pressure will depend on what you do but also on the tyre construction itelf. For example, the BFG KM2 mud tyres with it's very strong sidewall will be happy with 15 psi while doing some 4x4 in a rocky place, do that with a road tyre and it will probably won't last.
During your trip, 25 psi reasonnable.....you will need to adjust depending on the tyre you have and the road you will be driving on. If you have the BFG A∕T 25 psi on the highway is a bit low.....on corrugated dirt road, it will be a bit high !!
To make you even more confused, the same brand tyre but different size have different sidewall construction and the best tyre pressure will be different ! No point mentioning that how much you have loaded in the io will also make a difference :)
I now, this doesn't help much ! but it is good to be aware of it and yes, no matter the tyres you don't run 15 psi on road or 35 psi in the sand.
I found for the io that in general 40 psi is too high (the car will bounce, rear mainly, on any little pothole) , 15 to 18 is about ok for the beach (can lower a bit if you get stuck every 2 m), 30/32 psi on road, 22/24 for dirt road.
For corrugated, you will have to try different speed and pressure to find the "sweet" spot; tyres, weight, suspension will affect the "best" pressure here.
What tyres have you bought ?
Happy io
.
got some new tires last week (2 at the front).... and I wa suprised at the week end to see that they where a 40psi, hummmmmmmmmmm....
They were at 40 psi or they were a 40 psi?
If they were at 40 psi, that would be because your tire fitter wasn't paying attention, and if they were a 40 psi, it's you that's not paying attention - go back & read the tire sidewall again - this time look for the words MAX in front of the pressure.
The tire manufacturer will state the MAXIMUM pressure, which is a "DO NOT EXCEED number", they will never tell you what pressure the tire should be run at, because that is dictated by the vehicle to which that tire will be fitted. In the absence of any other information, tire size, tire construction, etc., my advice would be to use the vehicle manufacturer's recommendation, directly off the tire placard on the driver's door jamb (which is what the fitter should have used).
There are reasons to vary from the tire placard - larger tires can (and do need to) be run at lower pressures, especially if they are LT (light truck) tires - wider tires can run lower pressures, lower profile tires can run lower pressures - and - of course the reverse is also true, if you go to a taller tire, with more sidewall, as many of us do for increased ground clearance, then the pressures need to go up some - but a lot depends on what you're trying to achieve, and what you are willing to sacrifice - optimum fuel consumption, optimum ride comfort, optimum traction, optimum handing, optimum tire life.
Thanks a lot guys, and the
Thanks a lot guys, and the answer was " AT" 40psi. )
Very confusing topic, will try to get more info on those tires, they were cheap, and available next door (a garage a 2min from work so, and a local tire place).
they went very well on the HWay last week end, much more quiet and also did well in the sand... time will tell how long they will last...
Syndicate
Have you checked the driver's side door jamb?
There's usually a sticker there listing tire sizes & pressures - just my opinion, but I'd say 33 psi is way too high - tire widh has more of an impact on pressures than rim diameter - I have one of the very early production units with the 16" rims (215/70R16 is my OE size) and recommended pressure is 26 psi, with the wider 235s, your ideal pressure will probably be close to that or a little less.