Hey Joe, do you see the words "CLONE" anywhere either? No, you just see some tardsack trying to sell a regular old $2500 dollar Galaxie for $37,500 more than it's worth now or ever will be worth in the future, and YES they DID modify the ad...
And the 351 is the baby motor for that car, it would be worth $3500 with the 390 or 429.