PRO SPECIFIC FEATURES :

The GPRP Pro Package is based on MoTeC’s GPRP Package with the addition of the following features:

• Torque Based Throttle Control used throughout the Package:
  • Ignition Retard and Cut are also used for torque reductions. These are blended with the Throttle Based Control for fast response and seamless transitions;
  • Torque is relevant to vehicle acceleration for improved Traction Control;
  • Much faster control response and more accurate than Boost Control;
  • Improved drivability with a torque based throttle pedal and seamless transition between Throttle, Overrun and Idle Control;
  • Torque Limits based on Engine Speed, Vehicle Speed, Gear, Wheel Torque, Race Time, Fuel Composition and many more.
• Traction Control:
  • Controls front to rear wheel slip, closed loop to an aim value;
  • Torque reduction by Throttle Control, Ignition Timing or Cut for fast response;
  • Tuneable and dynamically adjustable aim slip;
  • Option to limit slip to the fastest driven wheel.
• Traction Model system:
  • Controls the maximum wheel torque via Throttle Control;
  • Dynamically adjustable for downforce, G force (lateral and vertical) and weight transfer.
  • This open loop system works in conjunction with the closed loop slip based control.
• Torque Limit Response system, to help improve throttle based torque limiting (e.g. for Traction Control).
• Paddle Shift Gearbox Control for sequential gearboxes:
  • Supply pump support with soft start;
  • Rev matching using retard or cut;
  • Shift error detection and automatic retry;
  • Automatic gear shifting, tuneable for road, race and drag;
  • Auto gear shift at rev limiter.
• Flex Fuel and Dual Fuel Control:
  • Model based fuel type selection, reduces tuning time;
  • Comprehensive tuneability improvements;
  • Ethanol sensor support;
  • Dual Fuel - change contribution with a driver switch;
  • Flex Fuel - vary secondary injector contribution based on fuel composition;
  • Alternative Fuel Engine Load Average - allows higher limits and different trims on E85.
• Boost Control for Dual Banks:
  • Two separate closed loop control systems with respective Boost Control solenoid outputs and boost pressure sensors.
  • Comprehensive tuning including influences for barometric pressure and gear;
  • Allows for multiple intercooler configurations including water-to-air with pump and fan control;
  • Integrates with the Torque Control system.
• Boost Servo Control
  • Controls dual servo operated wastegates or blow-off valves;
  • Multiple sources for aim position;
  • Use for Boost Control, blow-off valve or turbo surge prevention.
• Dual Bank Fuelling:
  • Dual plenum with or without balance pipe (calculates cross flow);
  • Each bank can be fuelled from its respective set of sensors: MAF, Boost, MAP, TP, AT.
• Improved Tuning Tools:
  • Set an Inlet Manifold Pressure limit for fine tuning Engine Efficiency;
  • Set a Throttle servo aim limit for tuning Throttle Area;
  • Boost Control bank copy Q functions. Tune one bank and copy to the other for convenience.
• Fallback and Limp Home Strategies:
  • Redundant sensor support; if one sensor fails (e.g. MAP) the other bank's sensor is automatically substituted;
  • Redundant crank position sensor;
  • Most critical sensors have a fallback strategy.
• Vehicle Speed measurement using a combination of wheel speed sensors, engine speed and gear, acceleration limits and GPS.
• Throttle Pedal:
  • Translation table to change pedal feel, linked to driver switch;
  • Commanding engine torque for improved consistency;
  • Absolute or relative torque modes;
  • Pedal damper for improved control at light loads.
• Vehicle Pitch Control to prevent wheel stands on drag cars.
• Bank crossing exhaust manifolds supported (for dual bank closed loop lambda).
• Multi level warning system.
• Clutch Slip Control for protection, or maximising clutch performance.
• Custom CAN Transmit (4 messages).
• Cruise Control with speed limiter and preset speed functions.
• Wheel circumference driver setting with 10 positions.
• Water to air intercooler controls, pump, fan and sensors.
• Camshaft Aim Position overrides for fast boost building (Launch and Anti Lag).
• Fuel Pump Control for multiple PWM pumps.
• Anti Lag System:
  • Controls Ignition Timing, Fuel Volume, Ignition Cut, Engine Speed Limit, Boost Aim and Torque (opens throttle);
  • Setup for Circuit, Rally or Roll Racing (rolling launch);
  • Basic ‘Flames’ feature.
• Engine Oil Level sensor with warning.
• Improvements to CPU usage.
• Vehicle Roll Rate, Vehicle Pitch Rate and Vehicle Pitch Angle sensor inputs.
• Driver Switch improvements including Combine and Counter Switches.

• Overrun Fuel Cut Integrated with Torque Control:
  • Sets a minimum throttle opening;
  • Controls torque via Ignition Timing once at the minimum throttle opening;
  • Tuneable amount of fuel cut and/or ignition cut.
• BOV activation for overboost.
• Oil Pressure closed loop control.
• Standardise PWM Outputs:
  • A table is used to set the final output duty cycle. This replaces Drive, Polarity and Min/Max settings.
  • Increases flexibility and enables actuator non-linearity correction.
• Exhaust Lambda Unavailable Fuel Volume Trim.
• Piston cooling/squirter control.
• Muffler Flap Control.
• Fuel Purge (charcoal canister) Control.
• Idle Control blends Ignition Timing and Throttle Control.
• Knock Control:
  • Single knock event rejection;
  • Ignition Retard, Fuel Addition and Ignition Cut based Control;
  • Ignition retard limit mapped to Engine Speed and Load.
• Takeoff Assistant for high response engines and light or button clutch:
  • Controls engine speed based on throttle pedal position;
  • Can be used as a mild Launch Control.
• Transfer Clutch Control (AWD):
  • Closed loop current or hydraulic pressure control;
  • Accumulator pressure and pump control;
  • Accelerating, braking and wheel slip based control.
• Coolant thermostat servo.
• Dual Boost Servo Control with zero tracking and fault handling.

GPRP FEATURES :

The following features from MoTeC’s GPRP Package are maintained in the GPRP Pro Package:

• Operates Port Injected engines from 1 to 12 cylinders.
• Throttle Servo Control for dual banks.
• Auxiliary Inputs 1 to 4 - unitless sensor inputs for logging only.
• Brake Vacuum Pressure and Pump Control.
• Nitrous Control:
  • For wet or dry nitrous oxide systems;
  • Two stage with multiple trigger conditions and time limits;
  • Nitrous transport delay for dry systems;
  • Fuel pump triggers.
• Lambda Sensor Control with additional LTC module/s, banks and cylinders.
• Fuel Closed Loop Mixture Control for dual banks.
• Communications for External Devices:
  • MoTeC - ADRs, E8XXs, PDMs, SLMs, Video Capture Systems, Keypads, C1xx and D1xx Displays/Loggers.
  • Other - GPS (RS232 or CAN), Bosch M4/M5 ABS, Bosch MM5.10 G/yaw sensor, ID fuel pump controller.
• Thermocouple inputs via TCA Thermocouple Amplifier or up to 8 via E888 module.
• Injector outputs for 2 injectors per cylinder. Up to 24 individual injectors (hardware dependant).
• Tuneable balance table, injection timing.
• Comprehensive blending and transport delay compensations for secondary injectors.
• Ignition output pin for each cylinder (coil on plug).
• Engine physical settings for fast setup and minor re-tuning for many modifications.
• Engine pumping efficiency, air flow and load modelling based on inlet manifold pressure.
• Sensor calibrations available for many common automotive sensors.
• Transient fuelling compensation using physical modelling of fuel film remaining in the inlet manifold.
• Test settings for most outputs, including injection and ignition outputs, for easier setup.
• Wastegate Pressure Closed Loop Control, e.g. for CO2 systems.
• Turbocharger Bypass Valve Control (electric blow-off valve).
• Air Conditioner Control:
  • Conditional clutch activation;
  • Fan control.
• Coolant Temperature compensations for Engine Speed Limit, Ignition Timing, Fuel Mixture and Boost Limit.
• Coolant Pump output with PWM Control.
• Coolant Pump After Run functionality, optionally with additional pump output.
• Engine Speed Limiting with ignition cut and/or fuel cut.
• Fuel Flow Supply and Fuel Flow Return sensor inputs.
• Intercooler Temperature and Spray Control.
• Differential Oil Temperature Control with dedicated temperature sensor and pump output.
• Engine Charge air temperature calculation, allows for correction of inlet air temperature (compensation of heat soak effect etc.).
• Lap Distance, Time and Number via BR2, GPS or switched input, with split and sector options.
• Race Time System:
  • Trim tables for Ignition Timing, Fuel Mixture, Boost Limit and Torque Limit;
  • Integrates with Launch and Traction Control.
• Engine Load Average, allows trims to be applied with persistent high engine load.
• Dedicated Fuel, Ignition and Throttle setting for cranking and post start.
• Alternator Closed Loop Control.
• Engine Hours, Odometer and Trip Meter.
• Configurable security for multiple users.
• Brake State configuration using a switch or a pressure sensor.
• ECU CAN receive from a defined CAN ID for data reception from MoTeC devices. Support of 3 CAN buses.
• ECU CAN transmit of the most common channels using standard MoTeC CAN templates, ideal for MoTeC Displays.
• Auxiliary Time system with tables for Ignition Timing Compensation, Fuel Volume Trim and Fuel Mixture Aim.
• Auxiliary Outputs x 5, for PWM control of added actuators:
  • Duty cycle tables using Engine Speed and Throttle or Manifold Pressure axis;
  • Activation based on inlet manifold pressure or throttle position;
  • Auxiliary Output 1 and 5 include tables for Ignition Timing; Compensation, Fuel Volume Trim and Fuel Mixture Aim;
  • Auxiliary Output 5 includes external sensor input.
• Turbo Speed limiting.
• Transmission Pump output with Transmission Temperature threshold and Hysteresis Control.
• Optional channels for additional sensors via input pin and/or CAN message, including:
  • Auxiliary Fuel Pressure;
  • Airbox Mass Flow, Pressure and Temperature;
  • Ambient Temperature;
  • 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) Bank 1 and 2 Collector, and Cylinders 1 to 12;
  • Exhaust Lambda via LTC, LTCN or PLM for Bank 1 and 2 Collector, and Cylinders 1 to 12;
  • Fuel Pressure and Temperature;
  • Fuel Tank Level;
  • Gear Neutral Switch;
  • Gear Shift Request;
  • Intercooler Temperature;
  • Steering Angle and Pressure;
  • Transmission Pressure and Temperature;
  • Turbocharger Speed;
  • Turbocharger Inlet/Outlet Temperature;
  • Turbocharger Wastegate Position;
  • Vehicle Acceleration (G-Force) – Longitudinal, Lateral, Vertical;
  • Vehicle Yaw, Pitch and Roll rate;
  • Wheel Speed sensors front/rear left/right.

BASIC SPECS :

Engines with the following features are not supported;

• Cable actuated throttle. Since the Torque Control requires control of the throttle, all throttles must be electronically controlled by the M1 (Drive By Wire).
• Throttle based fuel tuning. While the Package can be configured to be throttle based, a MAP or MAF sensor is required for initial tuning.
• Rotary Engines.
• Variable Valve Lift. Variable Valve Timing is supported.
• Direct Injection. Direct Injected engines are supported by GPRP-DI Pro (Part# 23667).

Sensor Requirements

The following engine sensors are required to run this Package:

• Engine Speed Reference Sensor
• Camshaft Position Sensor
• Inlet Air Temperature Sensor
• Inlet Manifold Pressure Sensor
• Throttle Pedal Sensor
• Throttle Servo Position Sensors
• Boost Pressure Sensor (Boosted engines only)
• Gear Position Sensor (if Gear Shift system is used)

For optimal performance the following sensors are also recommended:

• Coolant Temperature Sensor
• Fuel Pressure Sensor
• Fuel Temperature Sensor
• Clutch Switch, Pressure or Position (if Gear Shift system is used)
• Wheel Speed Sensors (if Traction or Launch systems are used)