Date: 12/31/1969 Views: 3162
Date: 10/11/2009 Views: 2358
Date: 03/12/2012 Views: 5739
Date: 08/23/2023 Views: 82128
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