Search for street and track chassi settings... | FerrariChat

Search for street and track chassi settings...

Discussion in '348/355' started by johan6504, May 24, 2010.

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  1. johan6504

    johan6504 Formula 3

    Jun 28, 2005
    1,168
    Sweden
    Full Name:
    Johan
    I have been playing with my chassi setting for some time now and this is my latest attempt to come up with something that works with my new Pirell Corsa trackday rubber…

    Front:
    Right Camber: -2.72 degrees
    Left Camber: -2.89 degrees

    Right Caster: 7.17 degrees
    Left Caster: 7.09 degrees

    Right Toe: -0.1 mm
    Left Toe: 0.1 mm

    Rear:
    Right Camber: -2.87
    Left Camber: -2.81

    Right Toe: 1.9 mm
    Left Toe 1.9 mm

    Trust angle 0.00

    A few notes:

    The rear camber was as low as we could go, not sure why but there were no more shims to remove and still over -2.8 degrees. It has been like this all the time and I am happy with the result so no need to change really...

    I chose to set zero toe to start with and take it from there. On the drive home I didnt get a chance to try it out much, but I have a few favorite corners and from what I could tell there is definite change in front end grip and a tendency to over steer (for the first time), much better :)

    To be able to play with front toe setting we measured how many mm that 1/4 and 1/2 a turn gives. It turned out to be about 1/4 turn for every 0.5-0.6 mm, 1/2 turns about 1.2 mm. We also made markings to be able to go back to original setting if needed...

    With 0 toe the car get noticeably looser in front and steering seems even lighter. But grip in turns seems to be much better, need more time to evaluate, so far so good :)

    Any comments appreciated
     

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