Spark Plug Diagnosis
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Spark Plug Diagnosis
Looking at your spark plugs can be a great way to tell how your engine is running. I found this chart to be most helpful!!
Word Docuement file: http://www.modularfords.com/forums/attachment.php?attachmentid=58746&d=1235656476
Here's link to web page on plug chart: http://www.dansmc.com/Spark_Plugs/Spark_Plugs_catalog.html
These charts have good info in them, BUT from what I have read:
"good info...
but isnt the "correct" way to read your plugs go something like
wide open throttle pass, at the top of your run you need to shut the car off..pull over an dpull plugs for accurate reading.
driving around and/or going wot then slowing down etc just changes that reading."
Word Docuement file: http://www.modularfords.com/forums/attachment.php?attachmentid=58746&d=1235656476
Here's link to web page on plug chart: http://www.dansmc.com/Spark_Plugs/Spark_Plugs_catalog.html
These charts have good info in them, BUT from what I have read:
"good info...
but isnt the "correct" way to read your plugs go something like
wide open throttle pass, at the top of your run you need to shut the car off..pull over an dpull plugs for accurate reading.
driving around and/or going wot then slowing down etc just changes that reading."
Shelby10'- BMMC Board Member
- Number of posts : 3610
Age : 42
Location : Broken Arrow
Car Type : 2010 Shelby GT500
First Name : Jarrod
Registration date : 2010-11-04
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