can syntedic oil be used

Asked by Joseph Aug 27, 2019 at 12:16 PM about the 1970 Cadillac DeVille

Question type: General

have a472 engine

2 Answers

88,305

Yes, but why would yo want to. One purpose of synthetic is to expand service intervals, and that's not something you should do on old cars.

2 people found this helpful.
270,125

I would not as it is a waste of money in my opinion. With a freshly rebuilt engine I would use it after the engine is broken in.

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