Date: 12/31/1969 Views: 3772
Date: 07/10/2005 Views: 5388
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Date: 05/23/2007 Views: 547398
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