What's the difference?

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Old Dec 6, 2006 | 11:17 PM
  #1  
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What's the difference?

I would like to know what the difference is between 5 heads and 5A heads. I know the 5A is for unleaded fuel, but are they different other than that?

Same question for 7 and 7A
Old Dec 7, 2006 | 10:51 PM
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* bump, anybody know?
Old Dec 8, 2006 | 04:54 AM
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http://72.22.90.30/phpBB2/viewtopic....ighlight=heads

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