The Ford Barn - View Single Post - Oil

30 Closed Cab PU · 02-22-2020, 01:50 PM

If you do a search, tons of discussion on this. I consider this a good thread.
https://www.fordbarn.com/forum/showthread.php?t=159816

Too much Zinc is bad, more is not better.

I use Rotella T4, has some zinc, might help, but should do no harm unless too much zinc is added. I personally do not believe Zinc is required in the Model A motor..

Opinions vary.

02-22-2020, 01:50 PM	#12
30 Closed Cab PU Senior Member Join Date: Aug 2018 Posts: 2,332	Re: Oil - again If you do a search, tons of discussion on this. I consider this a good thread. https://www.fordbarn.com/forum/showthread.php?t=159816 Too much Zinc is bad, more is not better. I use Rotella T4, has some zinc, might help, but should do no harm unless too much zinc is added. I personally do not believe Zinc is required in the Model A motor.. Opinions vary.