03-01-2021, 10:37 PM
The bores have liners? What can happen is that the outer walls of the cylinders rust through and the top and bottom of the block become effectively "disconnected". Net result is that the studs pull the top surface about and it becomes becomes very "wavy" and constant head gasket problems and cracks ensue.
Dave Williams at The Austineers in Bradford-on-Avon had a block that had been so afflicted. He'd cut it in half to demonstrate the problem. Made a pretty graphic exhibition.....
Dave Williams at The Austineers in Bradford-on-Avon had a block that had been so afflicted. He'd cut it in half to demonstrate the problem. Made a pretty graphic exhibition.....