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I've seen the ads, but what is "liquid titanium"?
The ads tell you what titanium metal is, but not the additive?

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Titanium alkoxide.

Well, you asked...

METHOD FOR MAKING A TITANIUM-CONTAINING LUBRICANT ADDITIVE

AFTON CHEMICAL CORPORATION (Richmond, VA, US) - linked

United States Patent Application 20090318318

Abstract:

"A method for making a titanium-containing lubricant additive, a lubricant additive concentrate made by the method and a lubricating composition containing the additive concentrate. The method includes reacting titanium alkoxide with water in a reaction medium that includes a dispersant to provide a homogeneous titanium-containing additive product. The additive product made by the method is substantially devoid of acidic components."

U.S. Patent pdf. - link

BTW, Sometime soon I'll be changing the oil in my 451-stroker and it won't be with titanium-containing additives. For now, I'll stick with conventional anti-wear additives, e.g. ZDDP.