Top Dead center is when #1 cylinder is at its upper most point in its stroke
top dead center
TDC would be "Top Dead Center". BTDC would be "Before Top Dead Center".
#1 piston must be at TDC / Top Dead Center on the compression stroke.
TDC is 0 degrees TDC, not 10 degrees BTDC which is before top dead center. ATDC is after top dead center. Both of these in relation to piston height are "below top dead center".
top dead center is what it stands for. top dead center
It identifies "Top Dead Center" for cylinder #1 for proper firing order to the computer.
If you mean BTDC, it means Before Top Dead Center.
top dead center
Top dead center. It is when a piston is at its highest position.
The top dead cente
The 0 part is the degrees at which it is set. TDC stands for top dead center. Your engine times at 0 degrees at top dead center.