Date: 12/31/1969 Views: 4408
Date: 10/25/2009 Views: 2171
Date: 02/16/2011 Views: 3752
Date: 08/23/2023 Views: 94566
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