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  1. #1
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    Nov 2013
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    99-02 ACR BBS Lug Torque and PSI

    Okay, so new correct BBS hard valve stems are installed and tire is ready to install back on my car.

    Anyone know the correct lug nut torque settings for the lug nuts?

    Anyone know the front and back recommended PSI for Street and for Track?

    Thank you
    Rick

  2. #2
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    Join Date
    Oct 2013
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    ALL Vipers from 1996 through current Gen V on OEM tires had recommended cold tire pressure of 29 psi. FYI...92 thru 95 Vipers on OEM tries carried a recommendation of 35 psi for cold tires. Track tire info for more complex, requires careful, timely temp readings and careful record keeping to be GOOD...all of which also must be readjusted to track, conditions, tire tread and compound, etc.

    1999 Service Manual says 90 ft-lbs...BUT that is for general use on stock wheels. I have also used that setting on our 99 ACR's OEM BBS wheels. I drove that car two days ago, but it is now "packed away" which prevents me from looking at Owners Manual and the "ACR leaflet" insert.

  3. #3
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    Nov 2013
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    Thank you Steve, I will run with that! Have a great 4th!


 

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