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Originally Posted by MNBoxster
Hi,
You're correct. The handling can be affected, the effect can be magnified at speed or high g maneuvering. You're also correct that Tires lose grip as a product of age. The compounds used in Modern Tires will harden with age resulting in greater slippage, irrespective of Tread Depth...
Happy Motoring!... Jim'99
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um... yes and no
A DOT Competition tire like the Toyo RA-1 actually improves its DRY grip as the tread blocks wear down. Conversely, its wet weather performance diminishes due to smaller areas to dissipate the water.
While it is not recommended to run two different types of tires on a car, one should at minimum make sure the front wheels match each other and the rear wheels match each other.
It would also help to make sure the tires were of like compound and construction. ie.. a tire with a Treadwear rating of 300 and heat rating of AA will wear differently than a tires whose ratings are 100 and A, respectively.
Be smart about it. Boxsters (and Porsches in general) were not CHEAP to buy OR Maintain.
Also, expect rears to wear out about in about 1/2 of the time it takes to wear out the fronts. After all, that is where the weight and power go to!
Threaded Mode
