More - it takes me to long to type. grin

For the valve cover gasket. Used to be Mr. Gasket made the best. A materiel that sealed and a gasket that was long enough. No longer in the catalog. Thankfully I have a couple rat-holed.

The biggest problem I have found is many are not long enough. If yours is like that you need to find one longer. If needed you can make do with 2 gaskets.
Measure the length of your cover from end to end getting the total length of the gasket.
Lay the gaskets on a smooth bench, one directly on top of the other. Position the gaskets to the total length using the measurement from above. This is the critical part. Check the length using the valve cover on top.
Use a razor blade or very sharp knife and cut the gaskets together so the pieces match. Make diagonal cuts (roughly 45*) about the center of each side, but not directly across from each other.
Keep the glue thin and simple. Yellow weatherstrip adhesive is the best for cork. Form-A-Gasket #2 is also good. Oil resistant, sticky and non-drying. Apply adhesive to the cover and the top surface of the gasket, also on the diagonal ends. Put the pieces together per the glue instructions. Do not use adhesive on the head or bottom surface of the gasket. This will allow you to remove the cover for more work later.
The cover nuts need to be snug but not tight. Torque values are listed in the shop manual (available for viewing on Hardy's website). The spec is lower than most torque wrenches go, so tighten them snug enough not to come off. Star type lock washers work best on these.


Fred
52 3600
69 C-10