This was my solution to keeping the drill on center so
I didn't take any of the parent material out of the
grill parts. I felt it necessary because I wanted to
use the same size and type rivets that were used
during assembly at the GM plant:
http://www.pbase.com/dennygraham/image/137991432
http://www.pbase.com/dennygraham/image/137991309

Cleco's used to position inner and outer bars for re-assembly:
http://www.pbase.com/dennygraham/image/138235023

Custom anvil for riveting the inner to the outer bars:
http://www.pbase.com/dennygraham/image/138234972

Standard deep throat anvil for riveting the uprights
to the horizontal bars:
http://www.pbase.com/dennygraham/image/138235065

Denny Graham
Sandwich, IL

Last edited by Denny Graham; 02/25/2014 4:01 PM.
Denny G
Sandwich, IL