need help, Polyspherical engine oil flow
#1
need help, Polyspherical engine oil flow
Working on a 57 Plymouth 301 poly motor. I'm familiar with the newer 318's, 340's, & 360's that use an expansion plug in the oil galley under the rear main cap to keep unfiltered oil from mixing with filtered oil, but this 301 did not have an expansion plug and appears not to be machined to accept an expansion plug. The block has a restricted passage between the unfiltered and filtered oil passages with an approximate .100" hole in it. Did they allow a small amount of oil to go through the .100" hole unfiltered?
Thanks, any help would be appreciated.
hjc
Thanks, any help would be appreciated.
hjc
#3
hjc
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