Help! key cylinder

[missle51]

does anyone know how to take out the key cylinder for a 77 vette.
there is no holes in the bottom to release and the casing around it seem like it is metal.

 

[duke94]

You will find it here.

http://jimshea.corvettefaq.com/?page_id=4

 

[missle51]

thanks. that site is very helpful.