My home inspection of Speedmaster heads

j par said

It would be nice to take a bare head port and again I've said it on the other thread color coded as it goes down like green as in take a lot here yellow be cautious here and red don't take away too much here..

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I threaded in an Autolite 3924 and no the strap just barely protruded. Those thread ends are exposed. Me, I’d have hit them with a sanding roll and reduced the sharp edges for obvious reasons. Additional Cc’s be damned. Don’t want sharp edges in the chamber now do we.