Cylinder block
|
The cylinder block is the largest part of the engine. Its upper section carries the cylinders and pistons. Normally, the lower section forms the crankcase, and supports the crankshaft.
|
Cylinder block construction
|
Cylinder blocks made of aluminium are lighter than cast-iron blocks of the same size. They usually have cast-iron liners which provide a hard-wearing surface for pistons and piston rings.
|
Engine blocks & pistons
|
The cylinder block is the largest part of the engine. Its upper section carries the cylinders and pistons.
|
Cylinder sleeves
|
A dry sleeve can be cast or pressed into a new block or used to recondition cylinders. A flanged, dry sleeve has a flange to fit a recess in the block. A wet sleeve has an outer surface directly exposed to coolant.
|
| Grey iron |
Grey iron is a cast iron that contains carbon in the form of graphite, plus silicon, manganese and phosphorus. |
