Model a water neck ID help

Bustingear

Senior Member
How do i tell the difference between the 28/29 versus the 30/31 Ford model A water necks? I have several and would like t know Thanks!
 

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This slide shows the difference between water outlet castings. I have also included a water outlet casting installation tip.
 

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  • Cooling System - Water Outlet Castings.jpg
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  • Water Outlet Installation Tip.jpg
    Water Outlet Installation Tip.jpg
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This slide shows the difference between water outlet castings. I have also included a water outlet casting installation tip.
Just curious as to why back when Model A's produced that a copper gasket was used but not recommended today?
 
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