
"drain antifreeze in summer"
"drain water in winter if no antifreeze"
The result: no inhibitors in the engine all through the war
Pre-war engine:
mixture of metals causing electrolysis
(aluminum water pipes and cylinder heads, cast iron blocks, with bronze water pumps)
Classic Coolant
has Safer Propylene Glycol
together with Water for efficient Heat Transfer
and Conventional IAT Inhibitors to prevent Corrosion

