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Old 10-09-2014 | 02:59 AM
  #14789  
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grizz1
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From: Auckland, New Zealand
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The O'Donnell 97T is a medium heat plug. The OS P3 is an ultra hot plug.

Guys here use the OS P3 with no issues in the GO engines.
The ultra hot OS P3 would be good in humid conditions.
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