Engines endure much abuse. Sometimes this torture results in damage to either the block or the heads--or both. The block can be very rare, such as a matching-number block for an LS6 Chevelle or the ...

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 ...

As a certified shadetree motorcycle mechanic, I've seen some pretty wild field expedient repairs attempted by previous owners. Typically these are hack jobs so embarrassing — we're talking things like ...

Your car’s head gasket probably never comes to mind until something goes wrong. Since this is the piece that is betwee ...