Deceased 02/10/2010 - R.I.P.
Ducati Corse
Posts: 3,170
Join Date: Feb 2002
Location: Darlington, Co. Durham
Mood: NGRRC Minitwins champion 2007
Does it leak? If not then what is the problem? As long as the cores are ok then it's ok to use albeit a bit scruffy. I just protect it with a mesh and straighten any bent fins using some tweezers - a bit fiddly and time consuming but, not difficult.