Is Sea Foam in gas safe for newer engines with 35,000 miles? [SOLVED] 0 Answers Is Sea Foam in gas safe for newer engines with 35,000 miles? Asked by Greg G. In - AL Add AnswerCancel I have this question too. 4 Submit Ask a Question Hide Suggestions Most answers will appear on this page within 24 hours. Be sure to state your question/s clearly. It always helps to include basic details about your engine like make and model! Submit