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< GPR Drag (M130).April 2017

Package GPR Drag (M130).April 2017 "Drag 403cid LS2 twin turbo E85 Base v2"

GPR Drag (M130).April 2017
Drag 403cid LS2 twin turbo E85 Base v2
GPR Drag (M130).April 2017

Release Notes

Current Version (01.00.0048)

  • Throttle Servo Fault Engine Speed Limit applied when Throttle Servo Bank N Diagnostic is Power Save.
  • Exhaust Flame added.
  • Auxiliary Output 5 Channel modified to handle channel faults.
  • Exhaust Lambda of unused cylinders not used when determining Exhaust Lambda Bank 1 & 2 values.
  • Exhaust Temperature of unused cylinders not used when determining Exhaust Temperature Bank 1 & 2 values.
  • ECU Internal added.
  • Driver Keypad added
  • Driver Rotary Controller added
  • Migration Notes;
    • Set Auxiliary Output 5 Channel Default if Auxiliary Output 5 is in use.


  • Debounce Driver Rotary Switch N inputs.
  • Fix Nitrous Bottle Pressure Fuel Mass Flow Trim usage when the bottle pressure sensor was not configured.
  • Improve the Nitrous Bottle Pressure fallback strategy.
  • Increase the maximum update rate of the GPS values received on CAN from 25Hz to 100Hz, and associated calculations.
  • Improve the conditions for when to trust using GPS Speed is used in Vehicle Speed and Vehicle Speed Estimate.
  • Add Ignition Timing Optimal channel, reporting the blended Ignition Timing Main and Alternative Fuel Ignition Timing.
  • Improve the Ignition Timing Control system diagnostic fallback operation
  • Add Engine Speed axis to the Transmission Brake Bump Dyty Cycle table.
  • Improve Wheel Speed diagnostic reporting.
  • Change Transmission Brake Bump Duty Cycle to a table Vs Engine Speed.
  • Change Fuel Pump Hold validation limit to allow 0s.
  • Add Race Time axis to Auxiliary Output 2 and 3 Duty Cycle tables.
  • Improve GPS Diagnostic reporting when data received on CAN


  • Initial release of GPR Drag based on GPR v1.07.0005 with improvments.
Package Notes

Seimens 2200cc/min injectors

Staged fuel pumps

Trans Brake control

Lanch Control from Trans Brake

Knock Control

9 position boost switch

Front and rear wheel speed

GPS speed

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