I am getting more and more confused with what the whole problem is. Best rope seals are just about what GMC seals were 50 years ago. I always packed them in and cut them with a pocket knife or razor blade like GMC suggests in their service manual.

https://plus.google.com/11263693037...9920236722&oid=112636930370126476644


https://plus.google.com/11263693037...4154828482&oid=112636930370126476644

Am I missing something something that is that different between GMC and Chev or is the old method just too simple?