[Shop-talk] Frost heater/freeze plug

[David Scheidt]

> On Jan 14, 2021, at 12:07, Phil Ethier <pethier7 at gmail.com> wrote:
> 
> You need to see the part of itself and not just the paperwork.
> 
> Has anyone ever actually seen a freeze plug save an engine block?
> 

The purpose of the freeze plug is to get the core out of the casting, and create the water jacket. They are not intended to prevent damage from freezing , at least on any modern engine. 
>