(redirected from After Top Dead Center)
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ATDCAfter Top Dead Center (gasoline and diesel engine timing)
ATDCAdvanced Technology Development Center (NASA)
ATDCArmy Training and Doctrine Command
ATDCAdvanced Tactical Display Center
ATDCArbitrary Time-Dependent Current
ATDCArmy Training Device Center
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Chief among them: A unique disc-valve design that handles both the inlet and outlet valves of the compression cylinder, allowing trapped gases to be removed from the cylinder, which improves volumetric efficiency, while spark plug firing has been configured to occur after top dead center for improved thermal performance.