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Interior
Gauges
 To gauge or not to gauge? That is the question!Many people have arguments, for and against this. For a road car at nominal levels of tune (assuming a car has been setup correctly), I can quite understand that any gauges over standard are not a necessity (but obviously can be useful). For a car that is to be used on track though, I think specific gauges are a necessity. Obviously, at the end of the day the decision is down to the owner and there are a number of nice packages available should the wish to go down this route be taken. A PSI3 Data Monitor , is a  multifunction device that utilises the 16 pin OBD connector (multiplug under the lower dash on the drivers side - shown to the right). The unit is available in many different fitment types, but for this we are looking at the DIN fitment (to be mounted in the centre console).
This monitor allows the driver to look at the following live data: - Battery Voltage
- Engine Speed
- Vehicle Road Speed
- Coolant Temperature
- Intake Temperature (at the MAF sensor)
- Fuel Injector Pulse Width
- Ignition Point
- Knock Correction
- Lambda air/fuel ratio
- Throttle Position
- Air Flow Meter Mass
- Boost Pressure
- Oil Pressure (with appropriate additional sensor)
- Oil Temperature (with appropriate additional sensor)
Quite a plethora of uses!
Some are more useful than others, in particular the Battery Voltage, Intake Temperature, Air/Fuel Ratio, Boost and Oil Pressure/Temperature.Not only does this unit provide live readings, but it also has some other interesting features……
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