Tyre pressure - Pls advise.

[Moeykf]

Hi Bros,

 

Im using 225/50/R17 and dunno how much air to pump.

I tried pumping in 280 at petrol kiosk.

 

Anyone can advise what is the ideal pressure for the said size?

[Siyexcalibur]

a) Check your car manual. It depends a lot on the weight of the car.

[Moeykf]

my car comes with original 16" and i upgraded to 17". Weight of the car about 1.5Tons.

[Iziz]

Check ur car manual. 280 sounds like it is waaaaayyyyy over the recommended.

[Moeykf]

ok thanks bro, i try to check the manual tonight.

[Watwheels]

There's no ideal figure to give u. U have to judge for yourself.

 

What the user manual states is the best COMPROMISE on grip in wet & dry conditions.

 

Ppl always got the wrong conception that pumping over the recommended pressure the tire will burst.

 

The tire will not burst even if u pump the maximum ALLOWABLE pressure. 4 or 5 times the max. pressure maybe it'll burst.

 

I always overinflat 10% the recommended pressure to get better FC.

 

1 atmospheric pressure(normal air pressure) or 1 bar is 101.325 kPa. Our tire pressure is 2x or slightly more dan 2x of that. Dun let the big number scare u.

Edited May 6, 2008 by Watwheels

[Moeykf]

ok thanks bro :)

[Akula]

Think 220 - 230 kpa is abt right, this is after factoring +5-10%.

[Mzrmazda3]

My tyre size is 215/45R17 & the max i pump is 250

 

Think your 280 is a bit too high liao

[Wreckwrx]

Hi Bros,

 

Im using 225/50/R17 and dunno how much air to pump.

I tried pumping in 280 at petrol kiosk.

 

Anyone can advise what is the ideal pressure for the said size?

 

I am using 225/45/R17 and my tire shop advised my to pump 32PSi which is prob around 250 (I think?). In any case, 280 is way too much already lah......

[Hamburger]

as a guide for u:

255(warm taya)= 230(cold)

300(warm taya)= 265(cold)

i pump to minimum 300 when taya is warm b4 going up NSH.

[Keen]

i pump around 250 for 15 inch rim...

[Fitvip]

Most cars have an info sticker on the driver's door pillar. check it out there, plus up to 10% is OK!

[Davidcks]

wah! I pump 235 already think abit high, u can go until 250!!! Not hard meh?? I mean will be bumpy leh.

[Moeykf]

ok thanks to all the bros here for ur advice.

[Moeykf]

i use 15" before and i know 250 is scary for 15"....usually i pump 200-220 for 15" 195/50/r15

[Mzrmazda3]

Stamford Tyre tell me pump 250 leh

 

But i think ideally is 245, jus that i pump 250 to compensate cos tyres would be warmed up by the time i reach petrol kiosk

 

Bumpy is a bit especially i'm running on aftermarket suspensions

 

But already get used to it for more than 3.5 years liao

[Auron]

280kPa is not too high lar...

 

my mz3 recommended rear tyres for full load is 310kPa.