You don't. If you have valve train clatter, you have worn valve train parts.
You don't. The rocker arm assemblies just bolt down, the hydraulic lifters self adjust. If the valves are clacking, something in the valve train is worn out.
You don't. They're preset and no adjustments.
You don't. The nuts that hold down the rocker arms are torqued down to specs and that's it. There is no adjustment. If you have valve train noise you probably have worn valve train parts.
There is no adjustment. If they are clacking you have worn valve train parts, replacement is your only option.
It has hydraulic lifters, no adjustment. If you have valve noise you probably have worn valve train parts. Replacement of worn parts would be required.
The valves on a Ford 300 straight six are not adjustable. If they are noisy you have worn valve train parts.
To adjust valve clearance 6he1 just follow the instructions on the users manual.
Indefinitely, but you could create more damage to the valve train the longer you wait to repair/adjust the valves.
You don't. If you have valve clatter you have worn valve train parts starting with camshaft, lifters, push rods, rocker arms, rocker arm pivots and valves.
There is no adjustment. Rocker arm nuts/studs are torqued down to specs and that's it. If they are clattering you have worn out valve train parts.
Noisy valve train. Remove the valve cover and inspect the valve train.