Cosworth yb cylinder head.
A friend had a rattle noise at idle.Just after startup so not going more than a few seconds.
Cylinder head was taken of and one of the valve seats had loosened.
Not the worst i have seen.
But Is this head repairable?
http://i281.photobucket.com/albums/k...os/V__2FB3.jpg
Last edited by rcr; Mar 15, 2013 at 01:18 AM.