Yes, but do not force it

来源: 2011-01-25 11:53:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

You need fine grind the contact surface to creat better seal.  Grind with small increment.  It is the dirt on contact surface (valve face and valve seat) causing the leak, not the bent.