The M84 is a versatile, race-bred ECU that is suitable for a broad range of high performance applications, including engines with up to 8 cylinders. It also suits rotary engines with twin, triple or quad rotors. 
This new, entry level ECU is based on the advanced technology in MoTeC's benchmark M800, with a package of features to suit more moderate system requirements. It includes on-board Wideband Lambda plus 1MB of data logging memory as standard.
Now with Nitrous Injection and 100 Hz max logging rates!
Install it as a stand-alone ECU or as part of a complete motorsport-ready engine management and data acquisition solution. 
BASIC SPECIFICATIONS
Outputs
8 x Injector outputs - high or low ohm
6 x Ignition outputs
8 x Auxiliary outputs - for functions such as boost control, idle speed stepper motor and many more
Inputs
Throttle Position
Manifold Pressure
Mass Air Flow
Fuel Pressure
Oil Pressure
Exhaust Temperature
Gear Position
User 1
Air Temperature
Coolant Temperature
User 2
3 x Switched Analogue Temperature
2 x Lambda Inputs (supports Wideband and Narrowband sensors)
4 x Digital Inputs (wheel speed or switch)
Communications
1 x CAN
1 x RS232
Physical
Case size 147 x 105 x 40 mm
Weight 500 grams
1 x 34 pin and 1 x 26 pin waterproof connector with gold plated contacts