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flatjack9 · 10-15-2020, 10:11 PM

Count me as a non-believer. I built my engine about 25 years ago and have many miles on it. Like 60,000 or so. Never has see a drop of MMO and I use 10W- 30 oil.

10-15-2020, 10:11 PM	#38
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,526	Re: Marvel Classic Motor Oil Count me as a non-believer. I built my engine about 25 years ago and have many miles on it. Like 60,000 or so. Never has see a drop of MMO and I use 10W- 30 oil.