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Old 11-04-2007, 04:06 PM
  #20  
Tod74
Senior Member
RACING JUNKIE
 
Join Date: Sep 2007
Posts: 4,137
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The company my dad works for (GAPCO INC) makes a thing called "Whistle Dic" that goes in the spark plug hole and whistles as the piston comes on compression stroke. Great for when you work alone.

http://www.gapcoproducts.com/
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