The point at which the crankshaft and piston are in their highest possible position. (Compare BDC).


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3 Comments so far

  1. Timing : Motorcycle-Glossary.com on May 20, 2007 1:25 pm

    [...] engine, or when the spark occurs. It is normally expressed in degrees or millimetres before TDC (see ignition timing and port [...]

  2. Compression Ratio : Motorcycle-Glossary.com on May 7, 2007 1:33 pm

    [...] measurement of the difference between cylinder volume at TDC and [...]

  3. BDC: Bottom Dead Center : Motorcycle-Glossary.com on May 7, 2007 1:32 pm

    [...] The point during crankshaft rotation at which the piston is in its lowest possible position.  (Compare TDC). [...]

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