Jim recommended washing down with an Acetone base fluid immediately before applying a Sikkens special primer.
End of an era
4 months ago
On removing the heads it wasn't that bad with carbon but valve seats aren't too clever, quite a bit of pitting. Yesterday I spent a full day valve grinding and today re-assembled everything. The head gaskets are made from 10 thou copper sheet, these have to be annealed, very carefully I might say. If I melted these it would have really made my day.
You can see clearly the duplicated locks at Smethwick. After hunting round I found quite a few canals that are no longer here, such as, the Toll End, the canal that extended out from the Cambrian Wharf and lots of arms now filled in.