The couple of bottles of Nitro 70 I have in the barn I bought new when it was actual Kendall oil. I saved it for assembly oil. You have about 3 years on me - I doubt that qualifies me as a whipper-snapper.
I could care less what oil you use or what happens to your engines. The appropriate oil to use is based on what oil the engine was designed for and what clearances it was designed with. I ran plenty of 20W-50 in engines back in the day, but those were not these engines so what possible relevance could that have? People once used castor oil too.
And while I agree that times have changed, why does both my Clymer manual and my Haynes manual for my particular year Ranger say 10W-40 and 20W-50 in the oil chart. you know, the chart that tells you how low a temperature the oil can handle. Last time I looked, and I'll do so again today, it shows 20W-50 is good to like -10 or -20. I myself have started mine up in negative temperatures more than once. It's still running to this day with no funny sounds.
WE can argue all we want, I still say that after 19 years and `6`,000 miles using 20W-50 with zero problems, I'm just going to continue doing so. Yes, after all these years, I really don't care any more if the truck goes tango uniform. There's lots wrong with it that would cost more to fix than it's worth to me. AC doesn't work, climate controls are all FUBAR, it only blows hot air, etc. Not going to fix any of that. I'm just going to continue driving it til it goes KBOOM.
Just an FYI, in late 2009 my sister borrowed the truck. I had just changed the oil to new Castrol 20W-50. She said she needed it for a year. Four years later, in late 2013, I finally got it back. She had driven it more than 40,000 miles and never changed the oil once. Think about that one! Four years and 40,000 miles on the same Castrol 20W-50. Just wow! Must be some damn good oil! Which is why I still use it.
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