New engine has loss of compression

Mad Dart said

Head could have been repaired on the engine. Dip the threading tool in some grease and go after it! The grease would catch most if not all the lil slivers of Aluminum. If not, as soon as you tried to crank it back up, if any little bits were in there they would have shot out the exhaust before the engine even fired off.

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It probably could have but there were some other problems that I found as I took things apart. The heads needed a valve job as well (ootb eddies) and the tops of the valves were wore funny as well. And the cam had excessive wear as well.

So it's essentially a few little things that needed to be fixed, I wish it was just the heads...