spark plug size

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Apr 14, 2006 | 07:05 AM

Johnny one

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spark plug size

what is the mm size of the spark plug hole on the 3.0 vulcan engine its in a 1999 Ranger supercab 4wd.

Apr 14, 2006 | 12:27 PM

fordboy_52

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From: Abilene Kansas

mine were the smaller ones, i think its a 5/8 head and i dunno what size hole.. did one round out?

Matt

Apr 14, 2006 | 05:32 PM

Johnny one

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No problem with the threads I bought a compresion gauge, it came with a 14mm and a 18mm adapter and neither one fits the spark plug hole I wanted to get the correct adapter that why I wanted to know the correct mm.

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