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Spark Plug Chart & Pics

  
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Spark Plug Chart & Pics

 
tuffnuff tuffnuff
Moderator | Posts: 7828 | Joined: 12/09
Posted: 02/25/13
11:59 PM

Heat Range Chart Zpse3136be0

Sparkplugchart Zps91e21117

Sparkplugchart1 Zps01666832

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When The Flag Drops.,.

tuffnuff

The Bull ***t Stops.,.
tuffnuff

P. Engineer, Engine Builder