Simply put...no.
Don't over analyze it...just find one of the old ones shown in any of the old catalogs and you're good to go for Day II stuff. They didn't date cast them like GM did, and most of their part numbers were carried for many years before they went onto newer style runners etc.
The early style script writing on the intake is a good clue as to the intakes dating, but I'd suggest getting your hands on an old catalog to check part numbers used during a given time.
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I like solid lifter cars, big cams and cars w/ 3 pedals in them. 
Last edited by NorCam; 04-29-2018 at 12:11 PM.
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04-28-2018, 06:20 PM
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