May 68 dated 1969 Z/28 exhaust manifolds?

[Tommy_Mathison]

Seems very early for 1969 production parts, were they producing them this early? Prototypes? http://www.yenko.net/ubbthreads/images/graemlins/dunno.gif

http://fototime.com/7AF7EDB1F336D17/standard.jpg

http://fototime.com/B1401DAEF612F5F/standard.jpg

http://fototime.com/019320966EAB3E3/standard.jpg

http://fototime.com/8D6FF8B2B51C074/standard.jpg

http://fototime.com/F11846EAEE31E74/standard.jpg

http://fototime.com/BD3E294BC382431/standard.jpg

http://fototime.com/AB10EA6DA889B41/standard.jpg

[iluv69s]

I had a prototype BB exhaust manifold years ago...I think it was a 66??..not sure...but it had the o-dash part number typical of prototype parts...

[302moz]

I think these could be repops? The part around the smog tube hole doesnt look correct? John

[BARRY]

REPOPS that is the date used

[Tommy_Mathison]

Thanks guys.