Lets start with the 3A92's specs:
Displacement: 1.2L (1193 CC) Cylinders: 3 Valves: 12 Maximum Output: 2014-2015: 55 kW (74 HP / 75 PS) @ 6000 rpm
2017+: 78 HP @ 6000 RPMMaximum Torque: 100 Nm (74 lb·ft) @ 4000 rpm Bore: 75mm Stroke: 90mm Compression Ratio: 10.5:1 Interference: Yes Intake Cam Lift: 36mm base circle + 8.9mm lift Exhaust Cam Lift: 36mm base circle + 8.0mm lift Fuel Injector Flow Rate: 233 cc/min [22 lb/min] link Fuel type: Unleaded regular gasoline, gasohol E10, E20 Fuel type: Unleaded regular gasoline, gasohol E10, E20 Valve Technology: DOHC, MIVEC (Mitsubishi Innovative Valve timing Electronic Control) - see video: New MIVEC continuously variable valve control mechanism Fuel Economy: see Fuel economy ratings by country
For parts changes over the years, see 3A92 engine parts history.
For info on the 3A90 (1.0 L) engine see here: 3A90 Engine Information
Images:
Attachment 2228
Above image: Alex16
3A92 (red) and 3A90 (orange) comparison.
Above Dyno image from EcoModder.com - Note this is a Philippine spec Mirage and it may not share the same factory tune as all other countries.
Image thanks to Nimmic.
Image thanks to ShiroMirage:
Image thanks to ShiroMirage:
Image thanks to ShiroMirage: