Question: I have a 1954 261 with the bypass oil filter, and a 1959 261 with full flow oil filter assembly. According to a Hysterically Impatient Millennial (HIM) truck owner; he believes the earlier 261 oil filter did a better job of filtering the smaller particulates than the later model 261’s. What are the advantages and disadvantages to each filter system?
Opinions appreciated.

Tom

Last edited by tom moore; 02/13/2020 4:29 PM. Reason: corrected the terms for gravity oil filter systems

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