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Thread: what psi do you guys run?

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    Registered User echocluster's Avatar
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    Default what psi do you guys run?

    i am going into my first auto cross race next week. what kind of pressure do you guys run in your zees? i am also going to do some drag racing at a track. would the pressure be any different in that situation? i have a 71 240 by the way.
    jason

    1971 240z
    108 hp at 5056 rpms at the wheels

  2. #2
    Registered User dga's Avatar
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    Default Tire Pressure

    I'm using 34psi in a 77 280z with 195 70H14, Dunlop Sport A2 for street use.

  3. #3
    Registered User halz's Avatar
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    38psi in a 240z with 195 65s.
    halz
    ---------------------------
    New headers and 2.25" sports system: They say "loud doesn't mean fast"... I'm just testing the theory!

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    Registered User gramercyjam's Avatar
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    Default

    Quote Originally Posted by echocluster
    i am going into my first auto cross race next week. what kind of pressure do you guys run in your zees? i am also going to do some drag racing at a track. would the pressure be any different in that situation? i have a 71 240 by the way.
    Autox - I run 18 PSI with Hoosiers (bias ply slicks) and 23 PSI with Victoracers (radials).
    Last edited by gramercyjam; 07-26-2004 at 10:16 AM.
    --John B
    '73 FP 240Z

  5. #5
    Enjoying the ride... 240ZMan's Avatar
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    Default

    Echocluster,

    I'd suggest you experiment. My '73 with stock suspension and L28 seems to do better with more pressure in the fronts. This yields less understeer at the track. On the street I run 35/30 front/rear. At the track I've bumped it up another 3 psi all around mostly to try to reduce the wear on the outer edges. Again, remember my suspension is stock.

    Daniel
    Daniel
    '73 240Z
    Castle Rock, CO

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