I have tried this new type of thermostat.
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It really warms up the engine to operating temperature fast.
I have not been using it since, if it were to fail it would fail in the closed position.
I could add this break in oil with zinc at every oil change until I run out of the extra non zinc oil I bought.
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That is the same as this:
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I have tried this ZDDP additive:
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but when I cleaned the oil strainer screen I noticed some sooty ash deposits. I thought it was from using this ZDDP additive.
Then I could start using this Brad Benn oil after I run out of the non zinc oil.
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In Winter, I could use a dip stick oil heater.
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