Adding to Kevin's statement, tighten to 20 to 25 INCH-pounds. That ain't much. Barely snug.

How many here cuss when trying to scrape off old glued-on valve cover gasket on the head.
Even with a shop towel for coverage, a small piece always manages to fall down into the oil return then down to the oil pan.
If I had to use glue or adhesive on cork, I would only apply to the valve cover side.


"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."