Quote:
Originally Posted by OL JENNY
At the recommendation of many on the Barn, I have been using Rotella 15-40 oil in my Model A. A recent article in The Model A Times advocates not using a Diesel Oil. Has that changed the minds of any of you who like me have been using Rotella 15-40?
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No need for Diesel oil! Any detergent oil for gasoline engines will work just fine! I suspect the use of Diesel oil is due to a mistaken fixation on the reduced level of zinc in modern oils (still more zinc than any 1929-31 oil)!