Dodge ram truck 3500 1996 Service Manual page 1079

B R 5.2L ENGINE 9 - 89
SPECIFICATIONS (Continued)
Valve Springs
Free Length (Approx.) . . . . . . . . . . . 49.962 m m
' (1.967 In)
Spring Tension @ 41.66 mm = 378 N
(Valve Closed) (@ 1.64 in = 85 lbs)
Spring Tension @ 30.89 mm = 890 N
(Valve Open) (@ 1.212 in = 2 0 0 lbs)
Number of Coils 6.8
Installed Height 41.66 mm
(Spring Seat to Retainer) (1.64 in)
Wire Diameter 4 . 5 0 mm
(0.177 in)
Valve Timing
Exhaust Valve
Closes (ATC) 21°
Opens (BBC) 6 0 °
Duration 2 6 4 °
Intake Valve
Closes (ABC) 61°
Opens (BTC) 10°
Duration 2 5 0 °
Valve Overlap 31 °
J9409-99
ENGINE SPECIFICATIONS—CONT
CONDITION IDENTIFICATION LOCATION OF IDENTIFICATION
CRANKSHAFT JOURNALS
(UNDERSIZE)
0.0254 mm (0.001 in.)
R o r M
M-2-3 etc. (indicating no. 2 and 3 main bearing
journal)
and/or
R-l -4 etc. (indicating no. 1 and 4 connecting rod
journal)
Milled flat on no. 8 crankshaft counterweight.
HYDRAULIC TAPPETS
(OVERSIZE)
0.2032 mm (0.008 in.)
Diamond-shaped stamp top pad - front of
engine and flat ground on outside surface of
each O / S tappet bore.
VALVE STEMS (OVERSIZE)
0.127 mm (0.005 in.)
X Milled pad adjacent to two tapped holes
(3/8 in.) on each end of cylinder head.
J9309-82
OVERSIZE AND UNDERSIZE ENGINE COMPONENT MARKINGS