If your not running the AC when you race and I hope you are not, then there is really no drag caused by the pulley. It's turning freely. The extra weight 35-40 pounds might be slowing down just a few hundreds.
Why don't you keep the AC on, and just bypass the power steering pump. That's worth about a tenth sec reduction in 1/4 ET.
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'93 GT Conv.
TFS Twisted Wedge Heads, Cobra Intake, Lunati Cam, 24lb inj.,Pro-M 80 mm MAF
12.80 @ 108.13 mph w/1.80sec 60ft
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