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I'd like to install an overflow tank in my '63 convertible. It has a .30 over 350 with Bowtie Phase 2 heads. If I fill the rad to the top, it usually spits out some until it finds its 'natural' level.
It usually runs between 180 and 200 degrees.
The rad cap/overfill tube is on the passenger side. Same as the battery.
Can you show some pics of the overflow tank you've used and where it's installed?
 

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use a soda ( pop ) bottle , drill a hole for the overflow hose in the cap , and secure it to your battery tray ( zipties will work ) :yes:
 

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67 4 door, 65 wagon (in pieces)
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use a soda ( pop ) bottle , drill a hole for the overflow hose in the cap , and secure it to your battery tray ( zipties will work ) :yes:
I did this with my first Nova. I used a 1 liter tonic water bottle with a hole drilled in the cap. I think I used twist-ties.
 

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My 63 also has Bowtie Phase II heads on my 350, also bored .30 over.
I have a Moroso overflow tank. Pretty cheap and works. Mounted it next to the radiator... reloc'd the battery to the trunk.


 
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