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Old 07-20-2020, 08:58 AM   #11
Tim Ayers
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Join Date: May 2010
Location: NJ
Posts: 6,142
Default Re: 7/16-14 thread chaser

Can we circle back to the idea of using a tap and not a chaser? I understand the difference and get the physics aspect of this in regards to cleaning out all the rust and scale.

Caveat: This is what I've read, but have not actually compared. I thought the thread pitch Ford used for their head stud holes is not the same standard pitch we use today. That's why some say to make a chaser out of a an old head bolt by cutting flutes into the side.

I'd really like to know is this fact or fiction.
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