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WHN · 03-07-2021, 03:42 PM

Marvel Mystery Oil has worked well for me. I always add to gas.

Use high detergent oil to. 20w-50.

Good luck.

03-07-2021, 03:42 PM	#4
WHN Senior Member Join Date: Mar 2017 Location: Connecticut Shoreline Posts: 2,067	Re: Sticking Valves Marvel Mystery Oil has worked well for me. I always add to gas. Use high detergent oil to. 20w-50. Good luck.