Date: 12/31/1969 Views: 4148
Date: 07/15/2009 Views: 4927
Date: 08/15/2004 Views: 3591
Date: 08/23/2023 Views: 784070
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