{"id":1996,"date":"2025-02-12T19:09:24","date_gmt":"2025-02-12T22:09:24","guid":{"rendered":"https:\/\/www.bkmotorsport.com.br\/?page_id=1996"},"modified":"2025-02-12T19:11:57","modified_gmt":"2025-02-12T22:11:57","slug":"gprp-di-pro","status":"publish","type":"page","link":"https:\/\/www.bkmotorsport.com.br\/en\/products\/m1-series\/gprp-di-pro\/","title":{"rendered":"GPRP-DI Pro"},"content":{"rendered":"
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GPRP-DI Pro<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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GPRP-DI Pro is a sophisticated engine control package focused on calculating and controlling engine torque through throttle opening and ignition control.<\/p><\/div><\/div><\/div>

Built with race functionality and Paddle Shift gearbox control, this package includes all the key features of MoTeC's GPRP-DI package, plus torque control, dual plenum fueling and more.<\/p>

Cutting-edge features that improve engine performance, driver consistency and tuning simplicity combine to make a package fit for the highest levels of professional motorsport.<\/p>

A GPRP-di Pro ECU fully integrates with other MoTeC products and provides predefined CAN messages for current monitors, recorders, E888, video capture systems, GPS, ADRs, BR2, PDMs, SLMs and keyboards.<\/p><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Pro Features<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The GPRP-DI Pro Package is based on MoTeC's GPRP-DI Package with the addition of the following features:<\/p>

  • Torque-based throttle control used throughout the package:<\/span>
    • Ignition delay and cut-off are also used for torque reductions. They are combined with Throttle Based Control for fast response and seamless transitions;<\/li>
    • Torque is relevant for vehicle acceleration to improve traction control;<\/li>
    • Much faster and more accurate control response than Boost Control;<\/li>
    • Improved drivability with a torque-based accelerator pedal and seamless transition between Throttle, Overrun and Idle Control;<\/li>
    • Torque limits based on engine speed, vehicle speed, gear, wheel torque, race time, fuel composition and more.<\/li><\/ul><\/li>
    • Traction control:<\/span>
      • Controls front to rear wheel slip, closed loop to a target value;<\/li>
      • Torque reduction by controlling throttle, ignition timing or cutoff for quick response;<\/li>
      • Dynamically adjustable and adjustable crosshair slide;<\/li>
      • Option to limit slip to the fastest drive wheel.<\/li><\/ul><\/li>
      • Traction model system:<\/span>
        • Controls maximum wheel torque via throttle control;<\/li>
        • Dynamically adjustable for downforce, G-force (lateral and vertical) and weight transfer.<\/li>
        • This open-loop system works in conjunction with closed-loop slip-based control.<\/li><\/ul><\/li>
        • Torque Limit Response System, to help improve throttle-based torque limiting (e.g. for traction control).<\/li>
        • Paddle Shift Gearbox Control for Sequential Gearboxes:<\/span>
          • Feed pump support with soft start;<\/li>
          • Rotation matching using delay or cutoff;<\/li>
          • Shift error detection and automatic repetition;<\/li>
          • Automatic gear shifting, adjustable for road, race and drag;<\/li>
          • Automatic gear change on rev limiter.<\/li><\/ul><\/li>
          • Flexible fuel and dual fuel control:<\/span>
            • Fuel type selection based on model, reduces adjustment time;<\/li>
            • Comprehensive improvements in adjustability;<\/li>
            • Support for ethanol sensors;<\/li>
            • Dual Fuel \u2013 shift input with a driver switch;<\/li>
            • Flex Fuel \u2013 vary secondary injector input based on fuel composition;<\/li>
            • Alternative Fuel Engine Load Average \u2013 Allows for higher limits and different trims on E85.<\/li><\/ul><\/li>
            • Boost control for dual banks:<\/span>
              • Two separate closed loop control systems with respective Boost Control solenoid outputs and boost pressure sensors.<\/li>
              • Comprehensive tuning including influences for barometric pressure and gearing;<\/li>
              • Allows for various intercooler configurations, including water-to-air with pump and fan control;<\/li>
              • Integrates with the torque control system.<\/li><\/ul><\/li>
              • Servo Boost Control<\/span>
                • Controls servo-operated flush valves or dual flush valves;<\/li>
                • Multiple sources for aiming position;<\/li>
                • Use for boost control, wastegate or turbo surge prevention.<\/li><\/ul><\/li>
                • Dual bank supply:<\/span>
                  • Double plenum with or without balance tube (calculates cross flow);<\/li>
                  • Each bank can be supplied from its respective set of sensors: MAF, Boost, MAP, TP, AT.<\/li><\/ul><\/li>
                  • Improved tuning tools:<\/span>
                    • Set an intake manifold pressure limit to adjust engine efficiency;<\/li>
                    • Set a throttle servo aiming limit to adjust the throttle area;<\/li>
                    • Boost Control bank copy Q functions. Tune one bank and copy to another for convenience.<\/li><\/ul><\/li>
                    • Fallback and limp home strategies:<\/span>
                      • Support for redundant sensors; if one sensor fails (e.g. MAP), the sensor in the other bank is automatically replaced;<\/li>
                      • Redundant crank position sensor;<\/li>
                      • Most critical sensors have a fallback strategy.<\/li><\/ul><\/li>
                      • Measuring vehicle speed using a combination of wheel speed sensors, engine speed and gear, acceleration limits and GPS.<\/li>
                      • Gas pedal:<\/span>
                        • Translation table to change pedal feel, linked to driver switch;<\/li>
                        • Dominant engine torque for greater consistency;<\/li>
                        • Absolute or relative torque modes;<\/li>
                        • Pedal damper for better control under light loads.<\/li><\/ul><\/li>
                        • Vehicle tilt control to avoid wheelies in drag cars.<\/li>
                        • Supported cross-bank exhaust manifolds (for dual-bank closed-loop lambda).<\/li>
                        • Multi-level warning system.<\/li>
                        • Clutch slip control for protecting or maximizing clutch performance.<\/li>
                        • Custom CAN transmission (4 messages).<\/li>
                        • Cruise Control with speed limiter and preset speed functions.<\/li>
                        • 10-position wheel circumference driver setting.<\/li>
                        • Water-to-air intercooler, pump, fan and sensor controls.<\/li>
                        • The camshaft aiming position replaces the quick-thrust (launch and anti-delay) construction.<\/li>
                        • Fuel pump control for multiple PWM pumps.<\/li>
                        • Anti-delay system:<\/span>
                          • Controls Ignition Timing, Fuel Volume, Ignition Cutoff, Engine Speed Limit, Boost Aim and Torque (opens the throttle);<\/li>
                          • Configuration for Circuit, Rally or Roll Racing (rolling launch);<\/li>
                          • Basic resource 'Flames'.<\/li><\/ul><\/li>
                          • Engine oil level sensor with warning.<\/li>
                          • CPU usage improvements.<\/li>
                          • Vehicle roll rate, vehicle pitch rate and vehicle tilt angle sensor inputs.<\/li>
                          • Switch Driver improvements, including Combine and Counter Switches.<\/li><\/ul>
                            • Integrated inertia fuel cut with torque control:<\/span>
                              • Sets a minimum throttle opening;<\/li>
                              • Controls torque via Ignition Timing once at minimum throttle opening;<\/li>
                              • Adjustable amount of fuel cut and\/or ignition cut.<\/li><\/ul><\/li>
                              • BOV activation for overboost.<\/li>
                              • Closed loop oil pressure control.<\/li>
                              • Standardize PWM outputs:<\/span>
                                • A table is used to set the final output duty cycle. This overrides the Drive, Polarity, and Min\/Max settings.<\/li>
                                • Increases flexibility and allows correction of actuator non-linearity.<\/li><\/ul><\/li>
                                • Exhaust Lambda Unavailable Fuel Volume Trim.<\/li>
                                • Piston cooling\/squirt control.<\/li>
                                • Silencer Flap Control.<\/li>
                                • Fuel purge control (charcoal bin).<\/li>
                                • Idle speed control combines ignition timing and throttle control.<\/li>
                                • Detonation control:<\/span>
                                  • Single beat event rejection;<\/li>
                                  • Ignition delay, fuel addition and ignition cut-based control;<\/li>
                                  • Ignition Retard Limit mapped to Engine Speed and Load.<\/li><\/ul><\/li>
                                  • Take-off assistant for high-response engines and light or push-button clutch:<\/span>
                                    • Controls engine speed based on accelerator pedal position;<\/li>
                                    • Can be used as a lightweight launch control.<\/li><\/ul><\/li>
                                    • Transfer Clutch Control (AWD):<\/span>
                                      • Closed-loop current or hydraulic pressure control;<\/li>
                                      • Accumulator pressure and pump control;<\/li>
                                      • Control based on acceleration, braking and wheel slip.<\/li><\/ul><\/li>
                                      • Coolant servo thermostat.<\/li>
                                      • Dual Boost servo control with zero tracking and fault handling.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                                        GPRP-DI Features<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                                        The following features of MoTeC's GPRP-DI package are retained in the GPRP-DI Pro package:<\/p>