Im new here and want to know you have a great source of information in this forum, really I want to improve my knowledge about HHO reading here!

I have a Toyota Hilux 2.8L diesel non turbo of the 1999, I want to install the HHO system in it, but I want to know if someome can tell me how may cells do I need to use, I know that it will depend of the quality, size, etc of the cell, but I want to give me an idea for example using cells from "hidroclubusa.com".