Dodge ram truck 3500 1996 Service Manual page 1113

B R
5.9L ENGINE 9 - 123
S P E C I F I C A T I O N S
(Continued)
Valve Springs
Free Length (Approx.) 49.962 mm
(1.967 in)
Spring Tension @ 41.66 mm = 378 N
(Valve Closed) ( 6 1.64 in = 85 lbs)
Spring Tension @ 30.89 mm = 890 N
(Valve Open) (@ 1.212 in = 200 lbs)
Number of Coils.......... 6.8
Installed Height 41.66 mm
(Spring Seat to Retainer) (1.64 in)
Wire Diameter 4.50 mm
(0.177 in)
Valve Timing
Exhaust Valve
Closes (ATC) 23°
Opens (BBC) 61°
Duration ...264°
Intake Valve
Closes (ABC) 80°
Opens (BTC) 13°
Duration 274°
Valve Overlap 36.5°
J9509-97
OWERSIZE AND UNDERSIZE ENGINE
COMPONENT MARKINGS
C O N D I T I O N
I D E N T I F I C A T I O N
L O C A T I O N O F I D E N T I F I C A T I O N
0.025 mm (0.001 inch)
U/S Crankshaft
R or M
M-2-3 etc. (Indicating No. 2 & 3 main
bearing journal)
and/or
R-l-4 etc. (Indicating No. 1 & 4 connecting
rod journal)
Milled flat on number three crankshaft
counterweight
0.508 mm (0.020 inch)
O/S Cylinder Bores
A Following engine serial number.
0.203 mm (0.008 inch)
O / S Tappets
•
3/8" diamond-shaped stamp Top pad — Front
of engine and flat ground on outside surface of
each O / S tappet bore.
0.127 mm (0.005 inch)
O / S Valve Stems
X Milled pad adjacent To two 3/8" tapped holes
on each end of cylinder head.
J9209-120