It's very difficult to get an air/fuel ratio gauge for a diesel, so I'm leaving that out.
So it boils down to 4 gauges:
Turbo boost
Exhaust gas temperature
Voltmeter
Oil Pressure
I can only have 3 gauges. Keep in mind that the EGT gauge is very expensive, and I'm worried about the sensor breaking off and messing up the turbo.
Which gauge should I drop?
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My aim: to achieve 3L/100km.
Best tank @ 65mph: 864.2 miles 69.36MPGus 3.4l/100km
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