Date: 12/31/1969 Views: 2553
Date: 01/01/2011 Views: 4300
Date: 05/13/2013 Views: 3208
Date: 08/23/2023 Views: 148416
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