17 psi warm. Of course, depending on the weight of the car and your suspension set up you may find a different psi works better for you. I know I have tired going down to 12-13 psi before like the M/T guys do, and they did not respond well---I would start with 17psi.
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2005 GT Auto Whipple @ 18psi - 604 rwhp 543 rwtq
1/8th - 6.491 @ 106.37 - 1.424 60'
1/4 - 10.138 @ 132.39 - 1.445 60'
psfracer
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