Should I use a different plug----head shaved 65 thou and deck shaved about 3 thou. Stock plug or something shorter---brand and number of plug?? Thanks..........Lee
One should live as if you sold the family parrot to the town gossip....Will Rogers
You could put an indexing washer on the plug to gain back some clearance lost by the milling. Plus this can help orient the grounding strap into a better strategic location for igniting the gases.