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#1
05-04-2025, 06:20 AM
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"CY"
So in 1972 the Z28 had a CY turbo 400 yellow ID tag with tail piece code #8624486. See attached missing photo from original thread indicating that it is a CY not an MY. Also would it be the high shift point? Another note it does not have the "T350?" stamped on the short tail shaft. I believe is the designation if it's not a T475.
Last edited by Mrlzybones; 05-04-2025 at 06:35 AM. 
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#2
05-04-2025, 07:01 AM
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Im getting a bit crossed up here. SS69Chevelle indicates "Y" designation as being with the big block list & mr70 indicates CY being used up to 1972. Why would you have a at best 5500 rpm engine paired up with a 6200-6400 "Y" designated shift point transmission?
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#3
05-04-2025, 10:46 AM
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MY=model year
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Learning more and more about less and less...
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69M22Z (05-04-2025) | ||
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#5
05-05-2025, 02:38 AM
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My "CX" ref of the markings as noted above.
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69 Los Z11 68 SS/RS 396/325 68 Los Z28 
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Mrlzybones 
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