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SFI underdrive pulley

   
Old 03-20-2007, 06:21 PM
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Default SFI underdrive pulley
At what ET or MPH do I need an SFI approved pulley? This would be for NHRA member tracks.
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Old 03-21-2007, 07:20 AM
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NHRA ET Quick Reference

This is a year old, but I'm pretty sure it's still 10.99 or quicker.
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Old 03-21-2007, 06:06 PM
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Thxs!!!
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