Tire Pressure - 6SpeedOnline - Porsche Forum and Luxury Car Resource

Oct 14, 2003 | 05:15 AM

mumanoff

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Joined: Jul 2003

Posts: 41

From: northern new jersey

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Tire Pressure

What pressures are advised for C4S front and rear stock tires....Pilots? From dealer rear pressure was greater than 50 psi.

Oct 14, 2003 | 05:29 AM

mumanoff

Thread Starter

Registered User

Joined: Jul 2003

Posts: 41

From: northern new jersey

Rep Power: 24

An addendum...I drive on some rough roads. Also wanted to know if I could use 17 inch wheels and somewhat smaller tires?

Oct 14, 2003 | 07:27 AM

ZX7R

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Joined: Aug 2003

Posts: 139

From: Adelaide, AUSTRALIA

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Whoa...50 PSI - Thats way too high.

Make sure that you measure the tyre pressures when the tyres are cold (ie. before driving off). I think the rears should be around the 42 PSI mark and the fronts around 38 PSI - have a look in the instruction manual as it specifies cold tyre pressures.

Yes you may run 17's with no problems and then you can drop tyre sizes as recommended/dictated by the rim size.

When mentioning tyre sizes - I assume you are referring to tyre diameter and not tyre width?

Make sure you use a half decent tyre guage to measure the pressure.

Note also regarding tyre widths - Keep in mind that you can have an effect on handling ie. Larger fronts more oversteer - Larger rears more understeer etc

Costas

Last edited by ZX7R; Oct 14, 2003 at 07:32 AM.