Hi Derf.
There is a spiral on the shaft that will spin the oil back to the pan.
There should also be a end cap of some kind, it fits real tight against the
crank shaft. Between the two of these 99% of all oil is recycled. Notice I
said 99%, If you don't use a PCV then when you turn the engine off, the
captured oil drains out on to the floor. Don't ask how I know, just be
content that I do.
Rick
derfman wrote:
> Hi,
> A friend is assembling a 1098 and had a question I can't answer. What
> goes under the rear main bearing cap(besides the bearing) where the
> crank is? It seems as though some kind of seal is required there, but I
> don't remember. If all else fails, I can pull the pan off the spare
> 1275 for clues. But, I'm sure someone here can relate to this.
> Thanks,
> Derf
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