I've heard that the epoxy that Goodson sell is z-spar in a smaller amount.
http://www.westmarine.com/webapp/wcs/sto...56#.UUZWwFfS9_M


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time