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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#80481 07/27/2007 12:12 AM | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | Did you use a bottoming tap so you cut enough threads for your plug? If you were using one of the other two most common type of taps did you hit an interference (something on the other side of the hole) before the thread was fully cut? I assume you are tapping a NPT type thread.
Six volt guy living in a twelve volt world
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