Quote:
Originally Posted by zvovchik
Im thinking as/3 fronts would offset the grip with RA1 in the back. Am i tottaly wrong here?
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Trying to balance the handling with different front and rear tire compounds is the wrong way to go about it. Well, that is unless you have a large selection of tires to choose from and have time to do a lot of testing (which I am assuming you don't).
Here is the standard process to set up a car with one set of tires: Install the same tires on the front and the rear, THEN use the suspension to adjust the handling, THEN use tire pressures to fine tune the handling. And don't forget, the driver may need to adjust their driving technique to get the most out of any given setup.
In this case, the problem is that the stock suspension has no adjustability. The Porsche factory gets around this by doing tons of testing to find the right mix of tires (type and sizes), suspension, and tire pressures that result in the handling that they want. Without adjustable suspension and with only one type/size of tire, you don't have anything left to use for adjustment (except pressure which is not going to move the needle very far).
I've done lots of laps on RA-1's; shaved vs full-tread, heat-cycled vs non-heat cycled, in the dry and in the wet, but I've never mixed them with an all-season street tire.
Best of luck.
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