Quote:
Originally Posted by Rocky Rotella
Frank,
I believe the 1967 model year was the only year that "I" was void in the cast date sequence. That would make your K-dated cylinder heads October 6 and 14, respectively, and that makes it much more logical that they could be installed on an October-built '67 GTO.
I would LOVE to believe that they are original to your GTO, but it was built on October 20 at the Kansas City plant. I would think that the timeline of the 670s being cast, machined, assembled, installed on an engine all at the Pontiac, Michigan plant and then shipped by train to KC and installed in a vehicle within 6 days would seem extremely tight. It's certainly possible, however!
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That makes sense and would make it a tight timeline - I hate to say it's been too long and too many moves to remember which heads these are. If these are the heads off of the WS engine that I bought, would the WS engine have had std exhaust manifolds or would it have had the ramair manifolds?