GPR-Drag (Package Only)

Drag Features

MoTeC’s GPR Drag Package is based on the GPR Package, with additional features and improvements specifically for drag applications, including:

• Additional Vehicle Speed and Race Time conditions on auxiliary outputs
• Auxiliary output fuel and ignition trims
• Boost Servo system – utilise a servo motor to control a wastegate, or use an additional throttle servo to bleed boost air from the compressor. This can assist with compressor surge, act as a blow off valve or control boost with higher response.
• Clutch position threshold for Launch condition – can be updated with a switch, for drag vehicles with a clutch and critical ‘bite’ position.
• Improved tuning resolution for highly tuned engines
• Improved sensor and calculation resolution critical to drag racing
• Individual cylinder fuel trim for respective exhaust temperature
• Warnings with engine speed and throttle limits for Primary and Secondary Injector Duty Cycle
• Support for automatic transmission gear detection and converter slip monitoring
• Gear Output Shaft Speed fuel and ignition trims, plus throttle and boost limits.
• Closed Loop Control of engine torque by changing the ignition timing. Used for Traction Control and Launch Control. By varying ignition timing rather than cutting ignition events, turbo lag on large turbos is reduced.
• Improved Launch Control for more vehicle configurations – faster boost building, multi step staging, nitrous integration and traction control integration.
• Improved Nitrous Control – bottle pressure warning and additional conditions for use during launch control and time after launch.
• Improved Race Time triggering strategy – more configurable, false start detection and reset, and integration with traction control for acceleration limiting.
• Improved Traction Control using ignition timing control. Wheel speed or engine speed based limiting for use with automatic transmissions.
• Shift Light Output

• Additional sensor inputs:

• • Suspension Position x 4, logging at 1000Hz (with optional Level 3 logging)
  • Transmission Temperature x 2
  • Transmission Pressure x 2
  • Tyre Pressure x 4
  • Tyre Temperature x 4
  • Wheelie Bar Pressure x 2

• Transmission brake control with improved ‘bump’ functionality (pulse or PWM modes) for perfect vehicle staging.
• Vehicle Speed based fuel and ignition trims and throttle limit.
• Vehicle Speed Estimate calculation utilising wheel speeds, GPS speed and time based speed after launch. Different modes of estimation for various vehicle setups.
• Wastegate pressure control by CO2 style dual solenoids and pressure feedback
• Live adjustment for tyre growth with speed

GPR Features

• Suits port injected engines from 1 to 12 cylinders
• Configurable engine synchronisation modes for many common engine types. Refer to the Engine Synchronisation Modes section 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 or wasted spark and distributor ignition systems.
• Configurable on-board knock for each cylinder with up to 4 assignable knock sensors (hardware dependent) and selectable centre frequencies.
• Configurable camshaft control from 1 to 4 cams, plus 1 switched camshaft.
• Dual bank lambda control supported; requires optional LTCD with Bosch LSU4.9 sensor or LTCD NTK with NTK sensor.
• Physical settings for engine displacement, fuel density+molar mass, stoichiometric ratio and injector characteristics allow for simplified engine start-up prior to tuning.
• Quick and easy engine tuning using engine efficiency map.
• Engine load modelling based on inlet manifold pressure and inlet manifold temperature. Alternatively, for example, when using individual throttle bodies, throttle position can be used.
• Control of 2 port injectors (peak&hold or saturated) per cylinder (‘high/low’ configuration) with tuneable balance table.
• Fuel volume calculation considers delay effects resulting from the secondary (high) injector installation position.
• Calibrations available for many common automotive sensors.
• Transient fuelling compensation using physical modelling of fuel film.
• Nitrous system with two activation stages and additional fuel pumps, bottle heater control and pressure sensor.
• Support for MoTeC devices: ADR, E8XX, PDM, SLM, Video Capture systems, Displays and Loggers.
• Test settings for most outputs – including injection and ignition outputs – for easier setup.
• Turbocharger boost/wastegate control by solenoids or servo motor.
• Configurable anti-lag for single turbo with ignition timing limit, fuel volume trim, ignition cut, engine speed limit, boost aim and throttle aim tables.
• Support of a turbocharger bypass valve control
• Support of two coolant fan outputs (PWM controlled)
• Air conditioner support with switched output control
• Coolant temperature compensations for engine speed limit, ignition timing, fuel mixture, 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
• Multiple fuel pump switched outputs with nitrous trigger
• Closed loop fuel pressure control by PWM driving the fuel pump
• Fuel Flow Supply Sensor and Fuel Flow Return Sensor
• Gearbox position detection via optional dual sensor or engine speed/wheel speed estimate
• Gearbox shift request via Up Shift Switch/Down Shift Switch or Gear Lever Force sensor
• Gearbox shift support with ignition cut, fuel cut, throttle blip and engine speed matching in forward gears.
• GPS acquisition and logging via CAN or RS232 (hardware dependent)
• Intercooler temperature and spray control based on differential temperature with dedicated temperature sensor and switched pump output.
• Differential oil temperature control with dedicated temperature sensor and switched pump output
• Engine Charge Temperature calculation, allows correction of Inlet Air Temperature (compensation for heat soak effect etc.).
• Lap distance, time and number via BR2, GPS or switched input, with split and sector options.
• Configurable launch control with tables for engine speed, throttle limit, boost aim and fuel volume trim.
• Race time system with trim tables for ignition timing compensation, fuel mixture aim, boost limit and throttle limit.
• Idle closed loop control system using ignition, drive by wire actuation or idle solenoid.
• Idle bypass control with stepper motor supported
• Engine Load Average channel with tables for engine speed limit, ignition timing trim, fuel mixture aim, boost limit and throttle limit.
• Inlet Manifold Flap support (actuator with 2 bank position feedback)
• Inlet Manifold Runner support (actuator with position feedback)
• Assisted engine start with dedicated fuel volume and idle compensations during crank and post start.
• Closed loop alternator control
• Engine run time total for engine hour logging
• Configurable security for multiple users
• Configuration of brake state using a switch or pressure sensor
• Brake Vacuum control system with dedicated switched pump
• Configuration of clutch state using a switch, a position sensor or a pressure sensor.
• Calculation of clutch slip
• ECU-internal G-force (acceleration) – longitudinal, lateral, vertical
• ECU CAN receive from a defined CAN ID for data reception from MoTeC devices. Support of one CAN bus (M130/M170) or three CAN buses (M150/M190) (Some M1 models may not be currently supported in this Package).
• ECU CAN transmit of the most common channels using standard MoTeC CAN templates.
• 8 configurable switches and 8 rotary switches (wired or CAN input) with each of 10 positions simultaneously mappable to Pit Switch, Launch Control, Anti-Lag, Traction, Traction Aim and Traction Control Range, Auxiliary Time, Race Time Reset, Engine Speed Limit Maximum, Throttle Pedal Translation, Ignition Timing, Fuel Mixture Aim, Boost Limit.
• Analogue tachometer output with configurable output pin and scaling.
• Dual bank Drive by Wire throttle servo control.
• Throttle Pedal sensor with translation table.
• Use of a Throttle Pedal sensor or a Throttle Position sensor in case of a cable throttle.
• Transmission pump output with transmission temperature threshold and hysteresis control.
• Traction control with tables for Aim Main, Aim Compensation and Control Range.
• Vehicle Speed measurement using wheel speed sensors, estimation or GPS.
• Vehicle Speed Limit Control system (DBW-throttle based), which can also be used for pit speed limiting.
• Configurable warning system with light and CAN output.
• Auxiliary time system with tables for ignition timing compensation, fuel volume trim and fuel mixture aim.
• 4 auxiliary 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
  • Auxiliary 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, Pressure and Temperature
  • Ambient Pressure and Temperature
  • Boost Pressure
  • Brake Pressure Front and Rear
  • Brake Switch
  • Clutch Pressure and Position
  • Clutch 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 8 (M150/M190: 12)
  • Exhaust Lambda via LTC, LTCN, or PLM for Collector, Bank 1 and 2 Collector, and Cylinders 1 to 8 (M150/M190: 12)
  • Fuel Pressure and Temperature
  • Fuel Tank Level
  • Gear Position
  • Gear Lever Force
  • 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
  • G-Force (acceleration) – Longitudinal, Lateral, Vertical
  • Wheel Speed sensors front/rear left/right, wired or CAN input.