Date: 12/31/1969 Views: 5134
Date: 04/14/2005 Views: 5050
Date: 07/29/2007 Views: 3734
Date: 08/23/2023 Views: 704281
Aluminum flanges were added to the plenums so that the plenums would not need to be fastened directly to the hot heads. Later in the build, the pop rivets were replaced with machine screws so that the front 2/3 of the plenum could be easily removed