I recently installed a Boss intake and when I went to get retuned the ECU was pulling timing. My tuner pulled a plug and it was shot. He suggested going to a one step colder spark plug with the replacements.
Ford Racing 5.0L Mustang 4V Heat Range 0 Spark Plugs (11-14 5.0L) M-12405-M50 - Free Shipping!
The description says for supercharged or nitrous applications. Has anyone used these on their N/A coyote.
Thanks,
Scott
Ford Racing 5.0L Mustang 4V Heat Range 0 Spark Plugs (11-14 5.0L) M-12405-M50 - Free Shipping!
The description says for supercharged or nitrous applications. Has anyone used these on their N/A coyote.
Thanks,
Scott