Other Tire Handling Notes

The chemical and physical properties of a tire may be affected by long storage time, and the rubber compound may harden over time. Tires which are in constant use or motion will maintain a pliable compound and delay the hardening process. Therefore, the concern should not only be tread depth but the age of the tire as well. Tires should not be older than six years from date of manufacture (includes spare tire). The tire age can be determined from the DOT stamp on the outside of the tire sidewall. For example, "DOT..067 = week 6, 1997.

Generally, tires should be stored in a cool, dry and well ventilated area. Keep away from sunlight. Avoid contact with fuels, grease, oils and other chemicals.

Mounted wheel sets may be stacked if required. It is recommended to increase tire pressure by about 0.4 bar.

Tires that are not mounted should be stored in a vertical position. We recommend rotating the tires every two (2) weeks to avoid flat spotting. If tires are stored in a horizontal manner they may deform and be difficult to install.

The original Porsche tire storage system, part number, 000 044 000 22 is available from the parts department to store complete wheel/tire sets.