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Crankshaft: |
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| This
cast iron steel one-piece shaft,
rides on five centered main journals. |
| These
journals are highly machined and polished. Oil passages are also cast
into this shaft. The oil is used to lubricate the bearings on which
the shaft spins. The bearings are a spit type shell. One shell with
an oil hole is placed on the engine block; the other under the bearing
cap. With the crankshaft set in the engine block, the bearing cap
is torqued in place. When properly torqued, only a few hundred thousandths
of an inch clearance is between the crankshaft journal and bearings
(.001). |
| There are three different size bearings regular, thrust, rear main. The thrust bearing
has thrust face sides. The rear main is larger to handle the weight of the flywheel. |
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