spark plug analysis
05-10-2003, 04:01 PM
#3
3.0 BAR
Join Date: Dec 2002
Posts: 3,830
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?
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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