DETAILED
ENGINE
SPECIFICATIONS
Continued
RODS
AND PINS—Continued ALL
SERIES
Connecting
rod length,
center
to
center
8¾*
Connecting
rod material
#1035
steel
Connecting
rod weight, including bearings,
lbs 2.0625
Crank-pin
journal diameter and length 2.460* x 2¾*
Connecting
rod bearing material Steel backed type, copper
nickel
matrix with bab-
bitt overlay
Lower
connecting rod bearing clearance... .0015*
Lower
connecting rod bearing end play 008-.014*
Lower
connecting rod bearing poured, spun
or
separate
Separate
Rods
and pistons removed from Above
CRANKSHAFT
Vibration
dampencr Torsional
Crankshaft counterweights used ;. 6
Torsional
vibration dampencr type Laminated springs
Bending
vibration dampencr type Flywheel
Which
main bearing
takes
thrust?
Center (#2)
Crankshaft end play 001-.005*
Main
bearing material Steel backed type, copper
nickel
matrix with bab-
bitt overlay
Main
bearing clearance 0015*
Main
bearing type Precision inserts
No.
1 main bearing journal, diameter and
length
2^' x 1½'
No.
2 main hearing journal, diameter and
length
iyi»
x 1¾*
No.
3 main bearing journal, diameter and
length 2#'xl%*
DETAILED
ENGINE
SPECIFICATIONS
Continued
TIMING
CHAIN
ALL
SERIES
Timing
chain make
Link
belt
Timing
chain model Type
#3766—
TC-15
Timing
chain length
23¼*
Timing
chain, number of
links
62
Timing
chain width
1¾*
side guide
Timing
chain pitch Y%
Timing
chain
adjustment
None
VALVES
Intake
valve length 53¾*
Intake
valve head actual overall diameter.. 1.876-1.886*
Intake
valve angle of
scat
45°
Intake
valve
seat
insert None
Valve
scat
cooled by Directed water circulation
Intake
valve stem to guide clearance
0023"
Intake
valve
lift
335"
Intake
valve spring
pressure
and length—
With
valve closed 63½ lbs.-1.926*
With
valve open 145 lbs.-1.581"
Is
tappet
clearance automatically adjusted?. Yes
Exhaust valve length 5¾"
Exhaust valve angle of
scat
45
degrees
Exhaust valve head actual overall diameter. 1.626-1.636*
Exhaust valve
scat
insert None
Valve
seat
cooled by Directed water circulation
Exhaust valve stem to guide clearance 0025*
Exhaust valve
lift
345"
Exhaust valve spring
pressure
and length—
With
valve closed 63½ lbs.-1.926"
With
valve open 145 lbs.-1.581*
Tappet clearance
adjustment
Automatic
Valve
timing-
Intake
opens
T.D.C.
Intake
closes 42
degrees
A.B.C.
Exhaust
opens
52
degrees
B.B.C.
Exhaust closes 10
degrees
A.T.C.