Date: 12/31/1969 Views: 2620
Date: 09/09/2010 Views: 2936
Date: 01/23/2006 Views: 2770
Date: 08/23/2023 Views: 194851
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