DETAILED
ENGINE
SPECIFICATIONS
Continued
RODS
ANDPINS—ContinuedALL
SERIES
Connecting
rodlength,
center
to
center
8¾*
Connecting
rodmaterial
#1035
steel
Connecting
rodweight,includingbearings,
lbs2.0625
Crank-pin
journaldiameterandlength2.460*x2¾*
Connecting
rodbearingmaterialSteelbackedtype,copper
nickel
matrixwithbab-
bittoverlay
Lower
connectingrodbearingclearance....0015*
Lower
connectingrodbearingendplay008-.014*
Lower
connectingrodbearingpoured,spun
or
separate
Separate
Rods
andpistonsremovedfromAbove
CRANKSHAFT
Vibration
dampencrTorsional
Crankshaftcounterweightsused;.6
Torsional
vibrationdampencrtypeLaminatedsprings
Bending
vibrationdampencrtypeFlywheel
Which
mainbearing
takes
thrust?
Center(#2)
Crankshaftendplay001-.005*
Main
bearingmaterialSteelbackedtype,copper
nickel
matrixwithbab-
bittoverlay
Main
bearingclearance0015*
Main
bearingtypePrecisioninserts
No.
1 mainbearingjournal,diameterand
length
2^'x 1½'
No.
2 mainhearingjournal,diameterand
length
iyi»
x 1¾*
No.
3 mainbearingjournal,diameterand
length2#'xl%*
DETAILED
ENGINE
SPECIFICATIONS
Continued
TIMING
CHAIN
ALL
SERIES
Timing
chainmake
Link
belt
Timing
chainmodelType
#3766—
TC-15
Timing
chainlength
23¼*
Timing
chain,numberof
links
62
Timing
chainwidth
1¾*
sideguide
Timing
chainpitchY%
Timing
chain
adjustment
None
VALVES
Intake
valvelength53¾*
Intake
valveheadactualoveralldiameter..1.876-1.886*
Intake
valveangleof
scat
45°
Intake
valve
seat
insertNone
Valve
scat
cooledbyDirectedwatercirculation
Intake
valvestemtoguideclearance
0023"
Intake
valve
lift
335"
Intake
valvespring
pressure
andlength—
With
valveclosed63½lbs.-1.926*
With
valveopen145lbs.-1.581"
Is
tappet
clearanceautomaticallyadjusted?.Yes
Exhaustvalvelength5¾"
Exhaustvalveangleof
scat
45
degrees
Exhaustvalveheadactualoveralldiameter.1.626-1.636*
Exhaustvalve
scat
insertNone
Valve
seat
cooledbyDirectedwatercirculation
Exhaustvalvestemtoguideclearance0025*
Exhaustvalve
lift
345"
Exhaustvalvespring
pressure
andlength—
With
valveclosed63½lbs.-1.926"
With
valveopen145lbs.-1.581*
Tappetclearance
adjustment
Automatic
Valve
timing-
Intake
opens
T.D.C.
Intake
closes42
degrees
A.B.C.
Exhaust
opens
52
degrees
B.B.C.
Exhaustcloses10
degrees
A.T.C.