69 Camaro ZL1 Prototypes

[PxTx]

Recently, a book called The 1969 Camaro Reference Book by John R. Hooper. was brough to my attention. Specifically, page 212 where John is asking questions to Fred Gibb;

Q. Did they ever make a four-wheel disc brake ZL1 or COPO?

A. Only one experimental model that I know of.

I'm not really familiar with Hooper, so I was wondering if anyone can attest to the valididty of this conversation?

Then my next question- which one was it? A four-wheel disc ZL1 or a four-wheel disc COPO?

Maybe there was a third experimental ZL1- a four-wheel disc car and it probably was a convertible too ; ^ ) (have to work on my smilies)