Correct 69 Camaro Heater Hoses

[COPO]

Which heater hoses are correct for a 69 Camaro, the ribbed w/out the white GM lettering or w/the GM lettering? I've heard the lettering was only on 67 & 68 and not on 69 which just got the ribbed plain heater hoses. Does anyone know for sure?

[69L89396]

According to J. MacNeish, the hoses were "ribbed". He does note that a few of the early built cars did have the smooth hoses with the GM logo. The smooth hoses were used in '67 and '68. I guess some left over inventory filtered into '69.
He has several examples in his book.

[Nova Research Project]

COPO;

I do not know if this helps: 69 AM shows a part number change for V-8 hoses on 11-25-68 for non-AC and 12-3-68 for all AC hoses. 67 shows a part number change in June and Sept 66. 68 shows no changes.

FYI, I do not have the 69 Nova AM, but the 70 shows that same new part numbers as the late Camaros used.

Greg