spark plugs??
#1
spark plugs??
I was wondering what is the best spark plug and what is the best gap for 1992 mustang lx 5.0 all it has is a k&n replacment filter (not intake) and muffler shop flowmasters i have msd 8.5 wires just sitting here waiting to be put on but i was checking to see the best gap and plug.
Thanks
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