Power Plant
TTP Cessna 172 Cat.B1 L-3 ATA71 Power Plant Cat.B2 L-1 Textron Lycoming IO-360-L2A engine is direct drive, four cylinder, fuel injected, horizontally opposed, and air cooled. The cylinders, numbered from front to rear, are staggered to have individual throws on the crankshaft for each connecting rod. The right front cylinder is number 1 and cylinders on the right side of the engine are identified by odd numbers 1 and 3. The left front cylinder is number 2 and the cylinders on the left side are identified as 2 and 4. IO-360-L2A Technical Description 172R Rated Horsepower at 2400 RPM 160 172S* Rated Horsepower at 2700 RPM 180 Number of Cylinders 4 Horizontally Opposed Displacement 361.0 Cubic Inches Bore 5.125 Stroke 4.375 Compression Ratio 8.5:1 Firing Order 1-3-2-4 Magnetos: Right Slick 4371 (25°BTDC) Left...