1991 Mitsubishi 3000GT VR4 Twin Turbo Twin Intercooled

- Test day parameters
* Running NGK BCPR7ES copper Gapped to 34
* 91 Octane (That's the highest AZ has)
* 19PSI on Twin TEC 17Gs
* 100F outside BRIGHT sun so blacktop is HOT
* This was after 2 hours of hard WOT tuning the setup and The HKS IC's were too hot to TOUCH
* Back to Back Propane Off / Propane On runs

- LEGEND
* RPM=RPM
* O2=O2 sensor or Oxygen Sensor
* TPS=Throttle Position Sensor 99=WOT
* Timing=Timing
* Knock=Detonation as reported by Knock Sensor
* Air Temp=Air temp at the MAF/MAS <not at the plenum

Thin Vertical Line is the Time Snapshot that the numbers are relating to

NO PROPANE


NO PROPANE


PROPANE


PROPANE


Found this while doing research about propane injection. Ended up going the meth route though.