porous head

[benton101]

just took the spark plugs out of the my xe tonight and it has creamy oil between the bottom ceramic and the top of the thread.

how else can i check that its porous before i change the head

[Stuart]

its not porous!!!!!!!!! it might be cracked though.

[benton101]

could the crack be obvious, i never had a right look, still had the rocker cover on.

[Guderian]

Good old compression test.

[rubachuk]

The crack won't be visible. More info here:

http://www.orsas.com/CarStuff/cav/info.php

What's the water in your header tank like?