Date: 12/31/1969 Views: 2635
Date: 11/29/1999 Views: 4276
Date: 07/13/2008 Views: 2734
Date: 08/23/2023 Views: 156429
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