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Porsche recommends 36/44 tire pressures, which I had been fairly close to with my Dunlop Sport 9090's for street use. The treadwear indicated I might have been overinflating the rear tires.
I just put on a new set of Kumho Ecsta 712's yesterday. The thing is the rear tires have written on them "Max Pressure 44 psi". I've sent them an e-mail asking if this is correct, but don't expect to get any enlightment from them (many companies are legally afraid to make suggestions).
Any suggestions for which I should follow.
Thanks for any tips!
36/44 sounds a little high. Most 993 users recommend something like 36/38 and your previous experience would seem to back up the theory that 44 is too high.
Recc pressures are 36/44. Too high for my taste. I usually go 32/38, both for street and track. That's on OEM tires, though.
Tire pressure is one of the most contested items on Porsche boards. Do a search, and you'll be up all night reading excellent points, unfortunately not all agreeing with one another. Happy reading!!
Based on tire wear at nearly 15,000 miles on
Pirelli P-Zero Rossos, 36 was right on for the fronts
but 44 was overinflated for the rears on our C2 Coupe.......
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