[Healeys] Coolant recovery system

[Oudesluys]

The only thing you have to make sure that the rad cap is sealing 
properly on the radiator, so, if not already present, use a thin flat 
rubber ring to make the cap airtight. If not airtight the coolant will 
not be (fully) drawn back into the radiator when the engine cools of.
Kees Oudesluijs
NL

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