441 cyl heads

Alan Roehrich · 01-11-2011, 11:41 AM

The current "hot tip" on fluid used to install seats is called seal-lock. It comes in a small bottle similar to the paint marker bottles you see at the salvage yard. The fluid itself is somewhat thin, and a blue-white color. I think Goodson and Silver Seal sell it. It's fairly expensive, not priced anything like Loctite.

A lot of the new seats are made of a tough powdered metal material. As with any ferrous alloy, the harder you make it, the more brittle it becomes. Some of the elements used to make ferrous alloys hard are temperature sensitive, and cold makes them even more brittle. They won't hold up to being struck unsupported at 0 degrees (your freezer is that cold) or colder. They're fine when they're held in place and supported by the seat pocket you cut in the head, because they cannot flex.

01-11-2011, 11:41 AM	#10
Alan Roehrich Veteran Member Join Date: May 2006 Location: Murfreesboro TN Posts: 5,106 Likes: 1,564 Liked 1,789 Times in 408 Posts	Re: 441 cyl heads The current "hot tip" on fluid used to install seats is called seal-lock. It comes in a small bottle similar to the paint marker bottles you see at the salvage yard. The fluid itself is somewhat thin, and a blue-white color. I think Goodson and Silver Seal sell it. It's fairly expensive, not priced anything like Loctite. A lot of the new seats are made of a tough powdered metal material. As with any ferrous alloy, the harder you make it, the more brittle it becomes. Some of the elements used to make ferrous alloys hard are temperature sensitive, and cold makes them even more brittle. They won't hold up to being struck unsupported at 0 degrees (your freezer is that cold) or colder. They're fine when they're held in place and supported by the seat pocket you cut in the head, because they cannot flex. __________________ Alan Roehrich 212A G/S Last edited by Alan Roehrich; 01-11-2011 at 11:44 AM.