Well, I have been puzzling over my number 8 cyl. Spark plug threads have oil on them and when changing the exhaust system, there was fresh oil inside the exhaust manifold.
Then it hit me [img]graemlins/clonk.gif[/img] even though these are fresh heads from a very good shop, the seals are bad.
I then realized, I did it.
The heat riser valve was not opening properly, thus creating a lot of back pressure in the exhaust on that side. It probably killed the seals.
Now that it is almost time to put her away, I should change the seals.
I have never had to do that yet. Most times I just had the whole head redone (cause everything was shot). But now I have to with the engine together.
What is the best procedure? I do not have the air adapter, do I use rope? But how? I do have the valve compressor tool from my Dad.
Any hint or tricks will be greatly appreciated!