Top right near your user name, click on the magnifying glass.
Click on Advanced Forum Search.
In the field that says Keyword Search Terms enter with quotation marks:
"manifold paint"
Where it says Date Range, Newer than, you want to delete the number in the first box, then click the down arrows in the next box to the right, then select the blank.
Where it says Older than enter 1 in the box, then to the right click the down arrow and select days.
At the bottom click on Search Forums.
Go pour yourself some coffee and come back and enjoy the reading.
This is one of those topics that generates a ton of opinions.
The good and the bad of, if you do it his way, then this will happen.
Personal preference.
I like natural cast iron rust. It's easiest to maintain.