spark plug analysis
my one step colder plugs are black with white speckles.
What is this a sign of? |
Re:spark plug analysis
Not good... Black = running rich.. and white speckles= detonation...
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Re:spark plug analysis
White 'ash' on the electrode/insulator can also be from oil burning.
Do you burn any oil at all? If not add some fuel, throw in some fresh plugs and do a hot run. Shut down right after you get off the gas; pull your plugs and see what they say. I initially tuned by doing this, (musta pulled em' 30times in one night, lol) and ended up pretty close to the right A/F. (13-11.5 when on the dyno) Can you put some good pics up? |
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