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Engine block

Engine block

Cylinder bore

Classification codes





Class A

mm

82.000 - 82.010

Class B

mm

82.010 - 82.020

Class C

mm

82.020 - 82.030



Cylinder dimensions





Permitted taper

mm

< 0,005

Permitted ovality

mm

< 0,05

Cylinder liner oversize

mm

0.1



The engine must be marked with the new cylinder classification after machining and reboring.

Cylinder block

Height, cylinder block

mm

236,5



Cylinder head

Minimum permitted height, cylinder head

mm

107.0 ±0.05

Flatness deviation for cylinder head's lower surface

mm

0.1 - 0.05



Cylinder head gaskets

Gasket thickness

Gasket thickness

Max. average piston height above cylinder block plane

No gasket punching

0,770 - 0,870

0,014 - 0,104

Gasket punched, one hole

0,870 - 0,970

0,105 - 0,205

Gasket punched, two holes

0,970 - 1,070

0,206 - 0,294