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Old 12-15-2020, 08:41 PM
Lt Dan Lt Dan is offline
 
Join Date: Dec 2014
Location: Utah
Posts: 100
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I appreciate the good data!

Since the P Mag installation manual strongly recommends changing any automotive plug after 100 hours, I will go with the standard copper plugs this time. Maybe next swap I will try the iridium plugs and do a back to back comparison trying to gather my own data.

Good point about the GAMI spread. My assumption which I failed to mention was that it is low enough so as to be no factor. Mine is about 0.2-0.3. 0.0 is very impressive.
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