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Old 02-14-2017, 04:33 PM
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ambmech1 ambmech1 is offline
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Here's 3. 1st pic shows one of the good plugs.
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  #2  
Old 02-14-2017, 04:36 PM
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Running stock HEI. Gapped at 45.

  #3  
Old 02-14-2017, 04:43 PM
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I can't think of anything doing that except mechanical contact.

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