Street and track tire pressures | FerrariChat

Street and track tire pressures

Discussion in 'Other Racing' started by Gary(SF), Mar 5, 2004.

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  1. Gary(SF)

    Gary(SF) F1 Rookie

    Oct 13, 2003
    Los Altos Hills, CA
    Full Name:
    Gary B.
    1.) What do you experts out there find are good tire pressure settings for spirited street driving in a 360? The dealer set 35psi all around.

    2.) What do you start with at the track, cold? Tires are S02-A's.


  2. Mitch Alsup

    Mitch Alsup F1 Veteran

    Nov 4, 2003
    1) I tend to like 34 PSI cold in my garage for street driving as I never press hard enough to build the heat necessary to raise the pressures like in track driving. Lower than 33 PSI and the car feels sloppy, higher than 35 PS and the car is faster than I want (in response to steering input.)

    1b) note, I have reset the rear ride height to be able to run the same pressures F/R with neutral balance while cornering under power. Prior to this, the front wanted 2 PSI more than the rear.

    2a) At TWS my F355 likes 32.75 PSI all around cold in my garage. This ends up giving 41 PSI on typical Texas days (hot; 95+).
    2b) At MSR my car likes 32 PSI cold in my garage.

    The surfaces are different enough to warrent different pressures for each track.

    Tires B S03s

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