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Old 09-18-2021, 07:13 PM
markpj23 markpj23 is offline
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Join Date: Sep 2006
Location: Las Cruces NM
Posts: 390
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Quote:
Originally Posted by Will View Post
...You said "6X with the vertical boss" .... If you're referring to the presence of the machined pad where the number is, the existence of that pad doesn't mean anything. The number stamped on it is what you need to look at.
My bad - I misread that page when looking it up. Can't read any secondary stamp on that boss - paint's too thick I believe.

So for now they're 6x mystery heads....

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Mark
Las Cruces NM
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Current Project:
'67 Catalina Convertible
400 4-spd