The longer it takes to warm the engine up, the more water is produced. For every gallon of petrol, when it's 'burnt', it produces a gallon of water. In the very cold winter sometime in the 80s, I was driving up to Darley Dale the other side Matlock Derbyshire. I was the only lorry on the road almost, looked in the mirror and could see loads of steam coming out of the exhaust pipe behind the cab. Thought to myself, 'oh no head gasket gone'. Stopped at the side of the road near Swinfen Prison, Lichfield to have a look see. No water missing out of header tank, no water pipes rock hard with pressure, so assumed everything was ok. It was. due to the very cold weather, even diesel gives off loads of water when 'burnt' in a cold atmosphere. Watch 'Ice Road Truckers' on the box.
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Great Barr, Birmingham.
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