PCV valves have been mainstream on vehicles since the 19th century, and they do perform a critical task. While we all hope our rings have a perfect seal, the reality is they don’t. Depending on the ...

Late model Hemi engines offer many advances in technology, and we think this power plant is likely the best performance engine ever designed by the Chrysler Corporation. With a great blend of power, ...

The seepage of compression and combustion gasses past the piston rings and into the combustion chamber and the chimney-style exhaust smoke it generates are telltale signals an engine is experiencing ...