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Re: Cross Threaded Spark Plug Hole
Quote:
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Originally Posted by emory70
that was one of the first lessons my dad taught me... "whenever possible, start a bolt, nut, screw... with your fingers." that was followed closely by "don't tighten anything until all fasteners are started."
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Same here! The thread size is 12x1.25mm 98.9% of auto engines use 14x1.25 threads & all thread chasers that I have seen are 14mm/18mm so you will need a long reach tap. You may be able to blow out most of the shavings if the piston is at TDC on the exhaust stroke.
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If it takes more then 2 strokes you're just playing with it!
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