1968 Camaro L-78 VIN 18N473322 Anyone know the car ? I have the block

[1969camarors427]

I got this bare block with a 1968 Camaro I purchased. Thought I would put on here in case someone has the car before I put it up for sale.

The block casting number is 3935440 cast date looks like F 13 8 (June 13 68). Could be 18 ?

Stampings on the pad are T0715MQ 18N473322 (July 15).

The guy I bought the car from said he bought it out of the US approx. 15-18 years ago.

If you have the car or know of the car please contact me. I am in Alberta Canada.