Hello all. I'm a new-ish owner of a '76 Tartan 30 that I bought two springs ago. This forum has been invaluable to me as I navigate this great old engine. One of the POs had seemed to install a garden spigot on the top of the thermostat housing. My instructions are to give a half turn before start up and then close it when I shut the engine off. I have seen many pics of the A4 thermostats and never saw this feature. Has anyone seen this, and does anyone know why this alteration was needed?
Thanks everyone.
Thanks everyone.
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