Originally Posted by Brutal SS
I think it may have happened something like this:
Some time ago, the ZL1 was actually gonna be called the Z28, (as evidenced by some ZL1 parts being stamped with the Z28 name). Then, something (unknown to us) happened in the upper echelon of GM, and it was decided to be called the ZL1 instead. In the meantime, the Z28 name was then secured, but pushed back to re-appear later, and my guess it will be in a 6th gen.
My thought? Either you know Carnac, are psychic, or have been reading the threads for some time....