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Thread: Tyre pressure help?

  1. #1
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    Default Tyre pressure help?

    What tyre pressures would u have in the following car?
    Vectra c (57)
    235/35/R19???

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    Regular Member jonnybravo's Avatar
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    Vehicle : Signum


    Engine : 20 Dti


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    2.9 Bar front 2,6 Bar rear with full load
    2.7 Bar front 2.4 Bar rear with light load

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    38 Psi all round.

    Have a search on here, lots say that Rim Diameter x2 is a good rule of thumb for tyre pressures.

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    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

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    Year : 2007

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    Manual says 39 psi front 35 rear, which IMO should be taken as a minimum. After experimenting with higher pressures myself, I now run 42 front, 38 rear. Feels and rides just right to me.

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    What noticable difference do you find with the higher front tyre pressures John?

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