Date: 12/31/1969 Views: 2850
Date: 03/24/2004 Views: 3120
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Date: 05/23/2007 Views: 532162
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