My '03 S chart says 29 front 36 rear for all sizes. I'm running 32/36 with 18's and find it handles and rides very well. I bump the fronts 4 lbs and the rear 2 lbs for autocross. I haven't done a DE in this car so I don't know what I'll set them at but I'll use my 17's for the track anyway.
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Cogito Ergo Zoom!
I Think, therefore I go fast
Current Porsches:
2004 Cayenne Turbo
2003 Boxster S
Past Porsches:
1989 911 turbo
1981 911SC
1984 944
1973 914
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