question about my 200 head

[esfalcon]

pictures will be on soon. A guy that has a mustang restoration business neer Witchita KS close to where we live said it could be a California motor cause of the holes could have been for emissions air tubes and that's why the 3&4 ports are factory casted is that possible, casting # C8DE

 

[rocklord]

Yes, it is possible that it's for emissions.
Cal-e-for-ne-a was the first to mandate emission controls way before the rest of the US.