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Ol' Ron · 03-13-2016, 12:34 PM

I don't think the valve spring pressure of our engines have to worry about zinc. I only run 50 lbs on an L-100 and have no troble turning 5K. I plan on using Moble one at my next oil change as by then I figger it has enough brake in mikes. At present I'm runing 5-20, but may go to 5-30 this summer. I;m glad to see Ol Henry running a synthetic oil

03-13-2016, 12:34 PM	#11
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,901	Re: Mobil 1 best for cold starts. I don't think the valve spring pressure of our engines have to worry about zinc. I only run 50 lbs on an L-100 and have no troble turning 5K. I plan on using Moble one at my next oil change as by then I figger it has enough brake in mikes. At present I'm runing 5-20, but may go to 5-30 this summer. I;m glad to see Ol Henry running a synthetic oil