Date: 12/31/1969 Views: 9148
Date: 12/01/2004 Views: 7299
Date: 04/09/2016 Views: 13660
Date: 08/23/2023 Views: 729219
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