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Kinner · 05-13-2021, 06:51 PM

Steve mentioned to me on oil change in his overdrive and syncro transmission to use 25% STP. I have not changed oil yet but will try it when the time comes.

05-13-2021, 06:51 PM	#7
Kinner Junior Member Join Date: Jul 2019 Location: Elkton VA Posts: 28	Re: Mitchell Overdrive Steve mentioned to me on oil change in his overdrive and syncro transmission to use 25% STP. I have not changed oil yet but will try it when the time comes.