Like the Corvorado,
the Caballista is based on a Chevrolet Corvette,
converted by Les Dunham.
Dunham Coach made 50 Caballistas, but this is number 51.
I had the chance to take these pictures at the 2005 Stutz Meet.
The rear-view shows that the base is really a Corvette.
to 2005 Stutz Meet
Les Dunham website