I know on the 70-74 z28 the cowl tag had it on there, but does the 77-81 have z28 on the cowl tag?

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Robert
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WENDIE 99 (http://www.lovelywendie99.com/)

FWIW, my Norwood built '79 has "Z28" on the cowl tag.

Yes, norwood built cars have Z28 on them.
LA built ones do too, but it won't jump out at you. It'll be the number "8" sandwiched in between some other numbers. See stegmillers stuff on this site.