Stewb, I had the same problem. I could not hammer out the pin and something would be destroyed if I continued. I switched tactics and used a good vise and small sockets to press out the pin. It worked well for me.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.