Dodge 2000 DURANGO Service Manual page 641

DN
SPECIFICATIONS (Continued)
DESCRIPTION
PISTON PIN
Clearance in Piston
Diameter
End Play
Length
PISTON RINGS
Ring Gap
Compression Rings
Oil Control (Steel Rails)
Ring Side Clearance
Compression Rings
Oil Ring (Steel Rails)
Ring Width
Compression rings
Oil Ring (Steel Rails) –
Max.
VALVE TIMING
Exhaust Valve
Closes (ATDC)
Opens (BBDC)
Duration
Intake Valve
Closes (ATDC)
Opens (BBDC)
Duration
Valve Overlap
SPECIFICATION
0.00635 – 0.01905 mm
(0.00025 – 0.00075 in.)
24.996 – 25.001 mm
(0.9841 – 0.9843 in.)
NONE
75.946 – 76.454 mm
(2.990 – 3.010 in.)
0.254 – 0.508 mm
(0.010 – 0.020 in.)
0.254 – 1.270 mm
(0.010 – 0.050 in.)
0.038 – 0.076 mm
(0.0015 – 0.0030 in.)
0.06 – 0.21 mm
(0.002 – 0.008 in.)
1.971 – 1.989 mm
(0.0776 – 0.0783 in.)
3.848 – 3.975 mm
(0.1515 – 0.1565 in.)
21°
60°
264°
61°
10°
250°
31°
OVERSIZE AND UNDERSIZE ENGINE
COMPONENT MARKINGS CHART
U/S-O/S Item Identification
U/S Rod/ R or M R-1-4
.0254 Main
mm
(0.001 Journal
in.)
O/S Hydraulic
.2032 Tappets
mm
(.008 in.)
O/S Valve
.127 mm Stems
(.005 in.)
5.2L ENGINE
Identification
Location
Milled flat on
ect. No.8
(indicating crankshaft
No. 1
and 4 counterweight.
connecting
rod journal)
and/or
M-2-3 ect.
(indicating
No. 2
and 3 main
bearing
journal)
Diamond-
shaped
stamp top pad
-
front of engine
and flat
ground
on outside
surface of
each
O/S tappet
bore.
X Milled pad
adjacent to
two
tapped holes
(3/8 in.) on
each
end of
cylinder
head.
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