Coolant overflow bottle

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Harveybos

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Feb 6, 2008
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Anyone seen one of these before? It came fitted to my 69 Dart Custom. Appears to be an aftermarket part that connects to the radiator overflow pipe.

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I have a very similar bottle in my 67 today. I had to relocate one horn to mount it where I wanted.
 
it's a coolant recovery tank. are you going to use it? nice period, albeit aftermarket piece.
 
It will function better mounted as high or higher than radiator. There isn't enough vacuum/draw to pull coolant back from a very low location.
 
Looks like the plastic might still be OK. Few OE coolant tanks around since the plastic hardened and cracked from years of underhood heat.
 
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