Sounds like the Rick Morehouse LS-6 that was bought new @ Krumpholtz Chevrolet in West Chicago in april 1970.
If so,it has been passed around many,many times since then and discussed here.
https://www.yenko.net/forum/showthread.php?t=99824
I'm very familiar with it's past and was recently restored too.
Last I saw John H. sold it @ auction to Canada I believe.