Damnnnn!! Everyone's PSIs are pretty high.. Do most of you guys pump more cos it's more fuel efficient? Or do you get better grip? cos i would have thought that the recommended 32PSI would be optimal? Hrmm.. maybe i should pump more in?
stock tyres are 32psi.. recommended PSI gives better fuel efficiency, better road grip... u dont want too soft of a tyres (easy punctures, less fuel efficiency) or over inflate (stretching the rubber and would give less road contact), and it makes the tyres last longer
I use 36 - At a drive safe course they told me that manufacturers tell u to use 32 in order to optimise noise and traction and therfore safety. 36 is for maximum traction, but not as great comfort.
edit: this is for my 16x6.5 inch wheels running 205/55/R16 tyres
I use 36 - At a drive safe course they told me that manufacturers tell u to use 32 in order to optimise noise and traction and therfore safety. 36 is for maximum traction, but not as great comfort.
edit: this is for my 16x6.5 inch wheels running 205/55/R16 tyres
You actually get less traction with high pressures.
Higher pressures doesnt mean the tyre sits on the road with more force.
It basically raises the tyre.
You have less contact with higher pressures.
And my proof of this, is. When you have a 4wd or atv on sand. You dont pump your tyres to max pressure. It will just dig down into the sand.
You run low pressures, so you have more contact width, hence more traction.
Its not very safe pumping tyres to that high, unless stated by manufacturer.
Put into consideration that the air we pump into the tyres arent 100% oxygen.
And that air mixture in the tyre heats up. Anything that is heated expands.
If you have 36psi cold. Youll end up with at least 38-40 psi at Normal Operating Temperature.
Last thing you want is your tyres popping when youre on the highway overtaking somone at 110kmh+.
You actually get less traction with high pressures.
Higher pressures doesnt mean the tyre sits on the road with more force.
It basically raises the tyre.
You have less contact with higher pressures.
And my proof of this, is. When you have a 4wd or atv on sand. You dont pump your tyres to max pressure. It will just dig down into the sand.
You run low pressures, so you have more contact width, hence more traction.
Its not very safe pumping tyres to that high, unless stated by manufacturer.
Put into consideration that the air we pump into the tyres arent 100% oxygen.
And that air mixture in the tyre heats up. Anything that is heated expands.
If you have 36psi cold. Youll end up with at least 38-40 psi at Normal Operating Temperature.
Last thing you want is your tyres popping when youre on the highway overtaking somone at 110kmh+.
A lower pressure makes the cross section of the tyre 'w' shaped, whereas the 36 makes it a squarish U shape... supposively.
lol.. probably cos you had 5 ppl in it. i guess having 5 ppl in the car would put more pressure on the tyres itself, so it'd be >40PSI .. we'll that's my logic.. correct me if i'm wrong
too high of a pressure with alot of weight.. bust.. and more so going at speed as it puts on more pressure onto the tyres (as ppl should know heat expands the air)
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Originally Posted by curtis265
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