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Old May 12, 2006 | 11:25 PM
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jpristel
Joined: Dec 2005
Posts: 216
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From: Tempe, AZ
Default Re: Superfuel anyone?

Shell used to sell 107 octane leaded racing fuel for $8 a gallon around here... I always wondered if it would only screw up the cat and O2 sensors, or would it cause more extensive damage?
 
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