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Re: Strange spark plug failure
Posted to Technical Discussion Forum on 6/15/2011 5 Replies

Is it just me or is this the correct plug (style) for that engine? I know some 4.6 engines still used that older type plug, but his pic says 5.4. No mention of 2 or 3 valve.

As to the damage to the plug, I wonder if it's possible someone got the boot tip ove... Login to read more.

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