engine oil supplement? is it good to use?

You are not going to cure "a loud ticking noise at start up in the morning" with chemicals. Maybe if it is caused by too light a weight oil, then putting the proper weight oil in the vehicle will do it. Maybe not. Usually when it gets around to "a loud ticking noise at start up in the morning" that is a sign of mechanical damage or advanced wear.

Instead of wasting your money on synthetic oil and snake oil additives, you would be better off putting your pennies in a savings account, to prepare for the eventuality of engine repairs.

Earle

thanks earle for the info my buddy just told me that 2 min ago

There is no "snake oil" that's going to cure an aging motor with over 200K miles. I would put regular 30W oil in and drive it, and feel lucky that it has lasted that long.

If economics force you to keep a heap going heavy oil can help for a while, but eventually running it like that costs more because otherwise parts you could reuse will be trashed. With most American pushrod engines, it's cheaper just to summarily trash everything but the block, head, crank and rods and so this is less a concern, but if you are running a collector engine coming apart sooner instead of later is always cheaper.

Be sure that it isn't just an exhaust leak at the manifold or doughnut. They often do just that.

Dan