New PB 5.3 Twin screw 11.69 @ 117 5800' DA
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New PB 5.3 Twin screw 11.69 @ 117 5800' DA
Someone posted this from Rocky Mountain Raceway on the 13th of June.
https://www.youtube.com/watch?v=N2z2...ature=youtu.be
https://www.youtube.com/watch?v=N2z2...ature=youtu.be
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GMCtrk
Tuning, Diagnostics, Electronics, and Wiring
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08-09-2015 08:50 PM