Re: Installing a telltale

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September 22, 2016 at 4:57 pm #44537
amuller
Participant

    I’ve been wondering if that blank port on some thermostat covers was intended for a telltale.

    This is the most sensible write-up on this I’ve seen:
    http://forums.iboats.com/forum/engine-r … -tell-tale

    The idea here is to put the pee-hole source directly into the upper water jacket. Definitely agree that the pee-stream should be put where readily seen.