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Old 04-22-2007 | 06:32 PM
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Default MPSC Recommendations

I am taking my 997 GT3 to VIR Monday/Tuesday and I was looking for recommended pressures for the stock Michelin Sport Cups.
Target hot?
Starting pressure for a predicted warm day (about 80-85 degrees)?
Thanks.
Old 04-22-2007 | 07:44 PM
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This is what has worked best on my 993TT with 265/35 front and 315/30 rear MPSC's:

Cold
25 psi front
28 psi rear

Hot
32 psi front
36 psi rear
Old 04-22-2007 | 07:46 PM
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That is what I ran when I used them, although I never liked them anything over 36. 34-35 was my target hot.
Old 04-22-2007 | 07:47 PM
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Why not take the Cup?
Old 04-22-2007 | 08:27 PM
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I always found 34-35 as the optimal operating pressure. Take a look at Tire Rack's "care and feeding" of the PSC. Also - here's a great resource: http://www.performanceinsider.com/michelin/PSCTires.pdf
Old 04-22-2007 | 08:54 PM
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Originally Posted by tar6day
Why not take the Cup?
It is up at Rick DeMan's getting the engine fixed. I hope to have it back for next month's events.
Old 04-22-2007 | 09:04 PM
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Originally Posted by RonCT
I always found 34-35 as the optimal operating pressure. Take a look at Tire Rack's "care and feeding" of the PSC. Also - here's a great resource: http://www.performanceinsider.com/michelin/PSCTires.pdf
Thanks for the link



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