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30-9 · 10-23-2015, 02:58 PM

Hi all

I recall reading on here that Rotella 15 40 was a good oil for our flatheads.

So I was in the auto store today and went over to the Oil area and picked up a bottle. It read it's for diesel motors.

So did I mis-read the post or is Rotella 15 40 diesel oil good in a flatty?

10-23-2015, 02:58 PM	#1
30-9 Senior Member Join Date: Aug 2014 Location: MA Posts: 888	Rotella Oil Hi all I recall reading on here that Rotella 15 40 was a good oil for our flatheads. So I was in the auto store today and went over to the Oil area and picked up a bottle. It read it's for diesel motors. So did I mis-read the post or is Rotella 15 40 diesel oil good in a flatty? __________________ Thanks - 30-9 1939, 1940