Clear Out – Cleaning out the Engine Block of the 1971 Jaguar XJ6

A while ago, you may remember that our in-house restoration technicians were looking into a misfire issue on the 1971 Jaguar XJ6 that is in at Bridge Classic Cars. It was discovered the head gasket has failed and damaged the cylinder head which was sent off to a specialist to be remachined.

With the return of the cylinder imminent, our in-house restoration technicians have been preparing the rest of the engine block to receive the head. After Jonn had begin to inspect the block for assessment, he discovered that most of the coolant galleys and water jackets were packed with thick, brown sludge..

Jonn has spent a considerable amount of time to carefully remove the blockages and the sludge. Using a series of tools and removing the core plugs to get better access to remove the debris, Jonn has managed to remove the majority of the sludge from the straight-six but the last few bits and pieces will need to be flushed out and then the passageways rechecked for any remnants.

Considering the level of blockage in the engine, Jonn has done a great job in making sure that when the cylinder head for the XJ6 is ready to be fitted back on that everything else will be at the same standard to ensure a happy and long life for this wonderful piece of British engineering.