valve cover gasket

Well I was in the midst of changing my leaking valve cover gasket when two of the bottom bots twisted off very easily. I have started soaking in p-b blaster. What are peoples thoughts are there any stud extractors that might work or should I try vice grips? Heat or not to heat? The last thing I...

Getting ready to do the Valve cover gasket tomorrow. 97 FZJ80, 1FZ-FE Just looking at the gasket I do not see the two rounded keyed areas on the front of the engine that on my cruiser look like FIPG as in the picture below. It seems that this is one of the areas where I am seeping a little...