[Adger Smith]

Just to let everyone know: It might not be a good idea to freeze the seat rings any more.
I was putting in an oversized ring the way I've done it for years. Heat head and cool the ring.
using an extra .002 fit because the type head was known for dropping rings. The first ring shattered when I hit the driver. Then I pulled the second ring out of the box and checked the size and my fit.. Looked good. Re heated the head and and froze the ring... Same results. Ring shattered. I picked up the phone and called Tech at the seat mfg. The first thing the guy ask me was if I was freezing the ring. Yes--- Don't freeze them was his suggestion. Seems that the metal in the type ring I was using was hardemed & doesn't like to be cold and take a strike from the driver. He said it is OK to freeze some, but the type seat I was installing didn't like the freezing process. It was the correct ring this company suggested for the application.
Sad thing is I killed 2 high dollar seat rings before I learned a lesson. I then read their instructions and there is not one word about freezing in them. They did have some suggested heating temps for alum and cast heads. Remember: not all Loctite solutions are correct for seat applications. Use the correct one. I've been told that some of their compounds don't let the heat transfer out of the hot ex seats to the head. They act as an insulator. In other words it is not the correct place for their thread locker!
The seat thing just goes to show me that not all the processes I've used for years apply to todays new and improved parts.