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Re: engine break-in oil
Posted to Educators Forum on 8/28/2023 17 Replies

We should remember that in the 1960's, even the 1970's+++, there ws no shortage of "Technicians" and "Machinists" insisting that break-in MUST be done with Non-Detergeant Motor Oil. Terrible things would happen if detereant oil was used for break-in.

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