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Early round port heads?
3 Attachment(s)
Does anyone know what heads these are? No date code and no normal type 614 or 722 cast on the outer port. Thanks.
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Didn't the early 722's have the full part # cast on the end port? It's hard to read those #'s in the pic but could it end w/722?
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9796722 is what it looks like.
If so 69 RA IV. Sent from my XT1650 using Tapatalk |
Thanks guys. I thought I had some info saved on these indicating they were 722s but I’ve misplaced it somewhere.
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Factory original head would not have a date code, it would be under valve cover area, but drilled through.
Can you rub some chalk on the casting area or do a pencil rub to see if it becomes clearer? :confused: |
Yeah you can see where the date code was machined off from the center bolt hole being drilled. I know the SR ones have a date code visible though. I don’t have the heads in my possession, a friend sent me the pics but I remembered seeing some like these before and thought I had made notes for them.
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for some reason I don't know and have never heard anyone who does, but several 69 ra4 firebirds had the full part # on one head and the other head was a 722 only. both of my ra4 birds were this way and I have talked to others who have original engine cars that way. on the other hand I have never came across a gto that way.
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matt how many ra4 birds have you seen this way? is yours like this? ever see a ra4 ta with it? why was it? ok too many questions but grasshopper needs the education
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