There are plenty of instances where perfectly good—and often rare—cast iron cylinder head and engine block castings are scrapped due to the presence of a hairline crack in an external surface. Often ...

There are several ways for an engine block to become cracked. The obvious one is freezing in winter due to not using antifreeze or frequent topping up with plain water which dilutes the antifreeze.

If you have been following the saga of the Austin-made Model Y with a cracked front casting, it has just reached a new chapter. I have already told my readers when it started and how the depth of the ...