This is topic Spark Plugs in forum Tech Talk at Northern California Ford Owners  .


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Posted by Full_Blown_Cobra (Member # 6548) on :
 
It's time for me to tune the cobra. What's the best plugs to get,I have Ford Motor now they are ok.
 
Posted by 02GeeTee (Member # 5905) on :
 
NGK Iridium's ftw. [Big Grin]
 
Posted by CDT (Member # 5004) on :
 
whats the combo?
 
Posted by 93PONY (Member # 60) on :
 
Do not use Platinum or Iridiums....they are far too hot for these higher HP modular motors.

2V-4V under 550RWHP: NGK TR6
2V-4V over 550RWHP: NGK BR7FE

If this is not a modular we need to know what heads you're running.
 




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