Quote:
Originally Posted by oldsinner111
I have not used nitrous in over a year.These are plugs less than 4 months old.Maybe I just got a bad plug? I will switch back to NGK
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The engine management is very sensitive to the correct non-resistor type spark plugs.....
Hi-tech plugs tend to have a smaller diameter electrode made of semi-precious metal.
The M103 and M104 prefer a larger diameter solid copper or silver electrode in a non-resistor design.
Ed A.