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Recent content by GXP2006

  1. GXP2006

    Tire pressure

    I have an 06 GXP which I've had since new. I've always put 30psi (cold) air in the tires. My tire guy (who comes from a racing family) has suggested I run 28psi to stop the tires wearing out in the center. Yet the GM sticker clearly states 30psi cold temp. Has anybody had success running their...
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