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Old 09-30-2008 | 08:21 AM
  #7  
joeflyer
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Default RE: Glow plug and plug tool.

A3 plugs have a shorter reach than the McCoys. It appears to be about 1/8" shorter than a McCoy. To make up for the difference you need to pull the element out quite a bit further to reach into the chamber. If you pull the element out far enough the A3's work fine.

Joe