Optimum heat transfer is from bare metal to the air, but you willwant to balance that with corrosion and asthetics. I would think your rad shop should be good for advice.
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Bluebell
Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
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