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Spark plugs

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3.8l
1K views 6 replies 4 participants last post by  XR7-4.6 
#1 ·
Im getting a old 1987 for Thunderbird running again after it sat for 12 years and I want to know what kind of spark plugs to get... I know it's probably has motorcraft coppers in it but would it hurt to put like a platinum or double platinum or e even a iridium for a one of the E3 plugs
 
#6 ·
A 1987 car came with a platinum plug? My '88 didn't have an owner's manual, so I didn't have anything to go by other than Advance Auto's recommendation (which may have just transitioned from Western Auto in 1995).

Al
 
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