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Old 06-19-2009, 10:54 PM   #13
ffwturbo
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Join Date: Feb 2006
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Location: Kissimmee/ Orlando, FL
What I Drive: 02 Sonic Blue SVTF

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It does help to lower your tire pressure but not to the point where it will endanger your high speeds at the top end. I lower my street tires to 20 PSI and have been fine. But I also have a 40 tire rather than the 45 stock SVT tire. My tire is a harder tire vs the 45. for sure stock air pressure will not help launch.
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