I've been talking with a C/L seller about a 70 hemi bare block he has. He was told it was from a wing car but cannot verify. Info he passed follows:

Date is 5-19-69
Vin -----0A166204 or 0A158204 or 0A188204

Here's the link to his ad:
http://winchester.craigslist.org/pts/3941693457.html

Located in Northern Virginia (Winchester)