To dismiss a vacuum gauge as merely an economy gauge is to neglect the possibility of using such a gauge for engine fault finding; thumbsnap.com/f/yaSeRmM3
Are you suggesting that a £3M motor won't need any warning lights or gauges because, after spending that much money, the car won't go wrong? Come to think of it, why bother with a speedo; the well-heeled owner will surely be able to shrug off a few speeding fines.
I'm looking forward to finding out what the second needle is for. If it really exists.
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