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Discussion Starter #1
So... i need coaching for spark plug reading.
and yes this is a new plug ( i dont have the old one)

FMF 4.1 & powerbomb headers,
a power kit from K&N. ( without top lid )
15T front sproket
Quadwork power box
Bone stock engine

on Map 4 , low center, mid +1/4, hight +1/4
.. idle for 10 feet, and all the gear at WOT... then stop.

Should i up the .mid and .hight to + half...
Thanks

 
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