Last year I blew the head gasket after some experimentation on increasing engine compression. I changed the camshaft, and the rest of things. Releasing the cam from m30 head is an arduous task for DIY'er without special tools. I developed very cost effective technique to release the camshaft that requires minor machining:Originally Posted by piman
http://mysite.verizon.net/vzerdcib/e34a/id1.html