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MoTeC's M1 GPR Drag Package is a versatile tuning platform that has been developed specifically for drag racing applications.

It is a highly adaptable solution that can be configured to control a multitude of complexities, from the simplest of engines to a multi-throttle, quad-cam, boosted engine with two injectors per cylinder, a sequential gearbox, nitrous system and many other high performance enhancements.

Included in GPR Drag are numerous ancillary features common to race cars, such as:

• Anti-lag
• Driver switches (e.g. pit switch, launch enable and boost limit)
• Gearbox control
• Knock control
• Intercooler sprays
• Launch control
• Gearbox coolant pumps
• Traction control
• Key features for drag racing include:
• Time based trims and compensations
• Improved large turbo boost building for launch
• Traction control for vehicles with torque converters
• "Two Step" Launch
• Individual cylinder exhaust temperature fuel trim
• Suspension position with 1000Hz logging capability

The Package also caters for many systems found on modified road vehicles that may be useful in a racing context, such as air conditioning control and four definable control outputs

FEATURES COMMON TO GPA & GPR

• Operates gasoline direct injected engines from 1 to 12 cylinders (M141/M142 or M181/M182) or 1 to 8 cylinders (M141 or M142)
• Configurable ref/sync mode for many common engine types (refer to section on Engine Speed Modes for current details)
• Configurable Top Dead Centre for each cylinder allows for odd-fire engines
• Configurable Ignition output pin for each cylinder allows for Coil-on-plug, Waste Spark, and Distributor Ignition Systems
• Configurable On-board Knock for each cylinder with 2 to 4 assignable knock sensors (hardware dependent) and selectable center frequency
• Configurable Camshaft control from 1 to 4 camshafts
• Configurable Boost control for a single turbo
• Physical settings for Engine Displacement, Fuel Density, Stoichiometric Ratio, Fuel Pressure, and Injector Linearization allow for simplified engine start-up prior to tuning
• Sensor Calibrations available for many common automotive sensors
• Gearbox position detection via sensor or engine speed / wheel speed estimate
• GPS acquisition and logging via CAN or RS232 (hardware dependent)
• Intercooler Temperature and Spray control
• Lap Distance, Time and Number via BR2 or Switched Input, with Split and Sector options
• Race Time system with tables for Ignition Timing Compensation, Fuel Mixture Aim, Boost Limit, and Throttle Limit.
• Auxiliary Timer system with tables for Ignition Timing Compensation, Fuel Volume Trim, and Fuel Mixture Aim
• Engine Load Average channel with tables for Engine Speed Limit, Ignition Timing Trim, Fuel Mixture Aim, Boost Limit, and Throttle Limit
• Engine Run Time Total for engine hour logging
• ECU CAN Receive from a defined ID Base Address for data reception from MoTeC devices
• 4 Configurable Driver Switches and 4 Driver Rotary Switches with each of 9 positions simultaneously mapable to multiple functions such as: Auxiliary Time, Race Time Reset, Engine Speed Limit Maximum, DBW Pedal Translation, Ignition Timing, Fuel Mixture Aim, Boost Limit and Pit Switch
• Analogue Tachometer output with configurable Output Pin and scaling
• Transmission Pump output with Transmission Temperature threshold and hysteresis control.
• 4 Optional Outputs for PWM Control of added actuators:
  • Duty Cycle tables using Engine Speed and Throttle or Manifold Pressure Axes
  • Activation based on Inlet Manifold Pressure or Throttle Position
  • Aux Output 1 includes tables for Ignition Timing Compensation, Fuel Volume Trim, and Fuel Mixture Aim
• Optional channels for additional sensors via input pin and/or CAN message, including:
• Airbox Mass Flow and Temperature
• Ambient Pressure and Temperature
• Air Conditioner Refrigerant Pressure
• Air Conditioner Request
• Boost Pressure
• Brake Pressure Front and Rear
• Brake Switch
• Coolant Pressure and Temperature
• Engine Oil Pressure and Temperature
• Engine Crankcase Pressure
• Exhaust Pressure Bank 1 and Bank 2
• Exhaust Temperature (EGT) via TCA Thermocouple Amplifier, Generic CAN, or E888 for Collector, Bank 1 and 2 Collector, and Cylinders 1 to 12
• Exhaust Lambda via LTC, LTCN, or PLM for Collector, Bank 1 and 2 Collector, and Cylinders 1 to 12
• Fuel Pressure and Temperature
• Gear Position
• Gear Neutral Switch
• Gear Shift Request
• Intercooler Temperature
• Steering Angle and Pressure
• Transmission Temperature
• Turbocharger Speed
• G-Force (acceleration) - Longitudinal, Lateral, Vertical Wheel Speed Front Left, Front Right, Rear Left, and Rear Right

ADDITIONAL GPR ONLY FEATURES

• Configurable Anti-Lag for single turbo variants with Ignition Timing Limit, Fuel Volume Trim, Ignition Cut, Engine Speed Limit, Boost Aim and Throttle Aim tables
• Gearbox shift request via Up Shift Switch / Down Shift Switch or Gear Lever Force sensor
• Gearbox Shift Control with Ignition Cut and Engine Speed matching
• Configurable Launch Control with tables for Launch Engine Speed vs. Vehicle Speed, Launch Throttle Limit vs. Vehicle Speed, Launch Boost Aim vs. Vehicle Speed, and Launch Fuel Volume Trim vs. Vehicle Speed. 
• Mapping of Anti-Lag, Launch and Traction through the 4 Configurable Driver Switches and 4 Driver Rotary Switches with each of 9 positions.
• Traction Control with tables for Aim Main, Aim Compensation, Control Range. 
• Optional channels for additional sensors via input pin and/or CAN message, including:
  • Gear Lever Force