Thread: gas milage question
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Old Mar 27, 2006 | 04:56 PM
  #9  
98CoupeV6's Avatar
98CoupeV6
lots and lots of fail
 
Joined: Dec 1999
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From: Deeeeeeeeeeeeeeetroit
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Premium = more carbon build up. Period. It's pretty bad for an engine designed to run on 87.
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