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Tyre pressure for 225/40/18
Hi guys, this may be a very noob question to you guys but i just wanna know what is the right tyre pressure for tyre size 225/40/18 for my civic.
I have got different answers when i ask different people so maybe you guys wanna confirm whether is 30 psi or 32 psi?
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Originally Posted by nxn75u
Hi guys, this may be a very noob question to you guys but i just wanna know what is the right tyre pressure for tyre size 225/40/18 for my civic.
I have got different answers when i ask different people so maybe you guys wanna confirm whether is 30 psi or 32 psi?
depends what you like mate. it all comes down to preference. alot of ppl with stockies prefer a different level to aftermarket wheels, especially when they are 18-20inch.
most ppl will prob say 32psi, but really for 18s i feel 34psi is about right a harsher ride but feels a bit safer in terms of stopping.
anywhere from 32-38psi is feasible for 18s.
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depends on the tyre,
i have 215 40 r17 and normally use 36 fr and 34 r
2012 BMW S1000rr - 184whp, 9.733s @ 148.27mph - Quick enough!
2006 Honda Civic - 101whp, 61s BBGL Short - When I need a bbt.
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mate really depends on what your tyres are rated.
reckon the best would be say 38-36, try not to go too high otherwise your like riding on a rock, and deaf as a b*tch!
now come to think of it i should check my tyres too.
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Originally Posted by rk 86 wa
depends on the tyre,
i have 215 40 r17 and normally use 36 fr and 34 r
yeah it does. Most 18in. tyres will just tell u not to exceed 50psi, which is dumb anyways.
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So you guys are saying that going with 40 is probably good for both tyres and braking? coz i just put on my rims and i want to check the pressure often?
Also, the higher the psi means better braking? sry im just a bit confused and im new to modifying... sry..
thx guys for the infos!
Last edited by nxn75u; 31-07-2008 at 11:45 PM.
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Originally Posted by dmx
i put mine 40 psi F + R
braking still okay, 2 twice braked until ABS activated, still can stop good.
share my exp. first time after changed to 18" (40psi), go to Honda service, thread read 6.5,
another 6 months same,
another 6 monthsthread read 6.0
after that forgot to check the pressure (dropped to 32),
another 6 months service, thread read dropped to 4.5
Just one question dmx, u using the exact same tyres like mine 225/40/18? if so i might be using 40 too... thx alot!
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i run 215/40/18 and i bump 34psi.
the tyre shop put 39psi and it was very bouncy and tramlining all over the place. reduce to 34psi and it's now perfect.
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im still running on 32psi since i thought it was the standard.
So what do you guys recommend for 19"
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Originally Posted by Philip Lee
i run 215/40/18 and i bump 34psi.
the tyre shop put 39psi and it was very bouncy and tramlining all over the place. reduce to 34psi and it's now perfect.
does the tyre look a bit flat with 34?
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Always refer to the tyre wall for manufacturers specs.
I run this for wet weather conditions and plus 2-3 psi for dry weather.
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