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Discussion Starter #1
i am told to run about 2 ranges colder than stock, is this true. if so does anyone have a number for a motorcraft plug that i would need.
 

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the plug numbers have been posted before, do a search and it will bring up the part numbers. i dont know about running two steps colder though.
 

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I'm running 22c's one step colder with mine. 75 shot, no pinging, etc with 93 oct or even 92 at times

Joe
 

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12c's with a fairly large shot
22c's should be ok for 50-75

Make sure to retard the timing, run high octane
 

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Discussion Starter #7
sorry guys i :gotsearch and found what i was looking for. one last question. will a 22c plug will work alright with the chip setting i have when not using no2, when im crusing around town.
 
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