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Old 07-12-2011, 05:58 PM   #1
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Join Date: May 2011
Location: Miami florida
Posts: 1,591
Tire pressure

Why does Porsche recommend 7 pounds difference in tire pressure front to rear?

I've only had my car a couple of months and just recently statrted to push it in the corners. On 60-70 mph sweepers I noticed pronounced lift throttle oversteer. I said to myself, this is a Boxster, the mid engine should make the car very balanced and all, but it felt like an air cooled 911 when I got off the gas in corners.

So I put 4 more PSI in the fronts and it felt better. Then I went to 36 front and rear and now it feels great.

Is there a reason for 29 front/36 rear?
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Current car

2000 Boxster 2.7l red/black

Previous cars

1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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