irridium spark plugs problem? - Ferrari Life
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post #1 of 3 Old 08-24-2010, 12:10 PM Thread Starter
Join Date: Aug 2009
Location: Belgium
Ferrari Life Posts: 43
irridium spark plugs problem?


I changed my spark plugs with NGK irridium spark plugs, but he is not accelerating smoothley.
When i am standing still and press the gas pedal there is no problem it goes in high rpm smoothley, but when i am accelerating the car is holding in in shocks.
I thought the NGK's should be an improvement but it isnt, or could this be another problem?

I just ordered the 8.5mm Magnecor spark plug leads, maybe this will helps a bit.

Did somebody already had the same problem?

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post #2 of 3 Old 08-24-2010, 03:21 PM
Saint Bastage's Avatar
Join Date: Jun 2007
Location: Essex Connecticut
Ferrari Life Posts: 1,839
I have a hard time blaming those symptoms on new plugs unless you dropped one or two and reset the gap. Sounds more like wires to me also. Another possibility is the plug terminal adapter caps. Sometimes they don't come with new plugs. Did you replace them? make sure they are clean/tight? I don't mean to sound condesending but sometimes the simple stuff gets by the best of us.


Previous owner of 348ts SS #64, Now Ferrariless
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post #3 of 3 Old 08-27-2010, 10:06 AM Thread Starter
Join Date: Aug 2009
Location: Belgium
Ferrari Life Posts: 43
Problem solved, two oxidised spark plug heads.
I don't understand that hey did't saw this when they placed the new spark plugs at a rate of 84,00/hour

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