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 ...

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 ...

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

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 ...

We are all too familiar with the shortcomings of the Ford 6.0L Power Stroke engine. We talk all the time about its EGR and oil-cooler failures. However, one of the powerplant's lesser-known issues is ...

Nearly everyone has heard the words “head gasket” at some point in their life, but nowhere near that many people actually know what one is or what it does. The head gasket is a seal that lives between ...

Inside an internal combustion engine is an intricate web of small tunnels or passageways that enable oil or coolant to flow, which helps keep everything lubricated and operating at the proper ...

Q. M.T. in Torrington (Auto Answers Sept. 14) may be experiencing the same problem I had with the 2.5-liter engine in a 1987 Plymouth Caravelle, i.e., rough running during warm- up. The problem ...