Colder spark plug info

Mar 20, 2006 1 Replies

Can anyone give the part number for a colder plug than a AC/DELCO R44LTS.



Long story short... I want to switch to a colder plug to troubleshoot the pinging in my Explorer 94.



Thanks,



Sam in Raleigh.


Sam, When you go to buy the new plugs, just ask the parts store for the next step cooler plug...

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