Date: 12/31/1969 Views: 2669
Date: 09/09/2007 Views: 3398
Date: 08/22/2008 Views: 4575
Date: 08/23/2023 Views: 199213
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