Re: Oil Weight for 1951 288 that had rebuild 20-25 years ago

Posted by Tim Cole On 2022/9/26 11:00:36
That lawnmower oil I mention is rated SJ which is the higher zinc content. After SJ zinc was being reduced, so there is an example of a manufacturer wanting the zinc.

Thus, given how expensive those motors are leaning toward original specifications is meritorious.

As mentioned, Risolone sells a zinc additive for oils rated higher than SJ. At present those diesel oils have higher zinc, but the lighter grades sometimes are hard to find in stock.

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