Dodge D350 1990 - Combustion Deck

Alternative Repair Procedures
Page9K-4
Base Engine Components
DODGE Turbo Diesel
Combustion Deck
The distortion of the combustion deck face is not to exceed
0.010mm [.0004 inch] in any 50.00mm [2.0 inch] diameter.
Overall variation end to end or side to side .075mm [.003 inch].
The combustion deck can be refaced twice. The first reface
should be 0.15mm [0.0059 inch]. If additional refacing is
required, an additional 0.35mm [.0138 inch] can be removed.
Total allowed refacing is 0.50mm [.0197 inch].
A= 0.15mm [0.0058 inch]
0.35mm [0.0138 inch]
0.50mm [0.0197 inch]
B = 323.00mm ±0.10
[12.7165 inch ±.0039]
322.85mm ±0.10
[12.7106 inch ±.0039]
322.50mm ±0.10
[12.6968 inch+ .0039]
First reface
Second additional reface
Total Allowed
Standard
First reface
Second reface
Surface finish requirements * 1.5 - 3.2 micrometers [60 -126
microinch]
The upper right corner of the rear face of the block must be
stamped with a X when the block is refaced to 0.15mm [0.0059
inch]. A second X must be stamped beside the first when the
block is refaced to 0.50mm [0.0197 inch].
B
Consult the parts catalog for the proper head gaskets which
must be used with refaced blocks to insure proper piston-to-
valve clearance.
A = Use where block deck has been refaced
0.15mm [0.0059 inch], (two notches)
B = Use where block deck has been refaced
0.50mm [0.0197 inch], (three notches)