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Is it better to go with the AGSF 22WM vs the AWSF 22M? Anyone have experence with the AGSF's?
Is the only difference the threads? Do they help with the #4 blowout issue?
I am a long time Ford owner and always use OEM plugs but are the autolite APP103 pretty much the same?
Last (stupid) question the motorcraft site list 10 motor plus AWSF 22E and then three Suppressor Spark Plugs, AGSF22WMF4. What and where are hese three???