the top dead center (TDC) of cylinder number one. Engine Displacement: Bore x Stroke: Compression Ratio: 8.3:1 Power Ratings: Z24 Years - 1984-1986 Power - at 4800 rpm Torque - at 2800 rpm Z24i Years - 1986-1989 Power - at 4800 rpm Torque - at 2400 rpm See also List of Nissan engines References External links New Zealand Datsun Club Z Gasoline engines by model Straight-four engines