PRE-RELEASE
Engine block
| Engine block |
| Cylinder bore |
|
Classification codes
|
||
|
A
|
mm
|
87.500 - 87.510
|
|
B
|
mm
|
87.511 - 87.520
|
|
C
|
mm
|
87.521 - 87.530
|
|
Max ovality in cylinder bore
|
mm
|
0.015
|
After the cylinder is machined and drilled, the new cylinder class must be marked. The cylinder class marking (A-C) is located on the top of the cylinder heat on the rear cylinder bank on the transmission side.
| Cylinder head |
|
Height, cylinder head
|
mm
|
95
|
Grinding of the cylinder block and cylinder head is not permitted.
If the cylinder head has been removed, new bolts must be used when fitting.
The cylinder head gaskets are marked with holes for different thicknesses and with "L" for the front cylinder bank and "R" for the rear cylinder bank.
Cylinder head gaskets
|
Marking
|
Thickness
(mm) |
Piston height over cylinder head plane
(mm) |
|
A = 1 hole
|
1.15
|
0.40 - 0.46
|
|
B = 2 holes
|
1.20
|
0.47 - 0.53
|
|
C = 3 holes
|
1.25
|
0.54 - 0.60
|
| Control values, pressure |
|
Compression
|
bar at 100 rpm
|
21.5 - 25.5
(The difference between the cylinders may not exceed 10%). |
