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 cheek and crank pin to provide a direct passage
which are cast integrally with the crankcase.
for pressurized oil to the connecting rod and
The seven main bearing caps are an integral
crankshaft main bearings. The crankshaft is
part of the cylinder and crankcase. The in-
dynamically balanced.
tegrally cast water jacket provides a uniform
transfer of heat to the engine coolant.
The seven main bearings are split, preci-
sion type and are steel backed with copper- lead
alloy bearing surfaces. The upper half of each
The crankshaft assembly is a one-piece unit
main bearing has an oil passage. The center
of forged and hardened steel. A flange is pro-
main bearing is double flanged with bearing
vided for mounting the flywheel. The other end
material to control crankshaft thrust and end
has a machined hub with a key slot to mount
play.
the crankshaft gear and crankshaft torsional
vibration damper and pulley assembly. All
crankpin journals are hollow to reduce weight.
Holes are drilled diagonally through each main
The six connecting rods are tapered, I-beam
bearing journal and extended through the crank
section, steel forgings. The connecting rod
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