[AT] Diesel rated oi/ Gasoline powered engine?

[Spencer Yost]

No more than 20 hours I wouldn’t worry about lack of spark ignition ratings.  To me the only concern is the 40W rating when hot.   Small orifices, galleys, passages, may not get lubricated well or with enough pressure when running this summer.   But even that concern feels more academic than real to me.

So even though I cannot think of one single reason to change it, I’d change it so I don’t think/worry about it 493 times over the next year till the next oil change.  Minimizing brain cycles is worth the 20-30 bucks of oil.

Spencer Yost

> On May 26, 2019, at 9:39 AM, Carl Gogol <cgogol1971 at gmail.com> wrote:
> 
> Without thinking, I just drained my "new" 1968 IH-140 and filled it with
> Rotella 15W-40 T4 Diesel rated oil.
> It is one of those "All Fleet" oils and I  was easily led astray by that
> slogan.  Of course I carefully read the label once the jug was empty.
> What would you do?  Drain and replace or leave it in and replace it next
> year?  Are the additives all that different?
> The IH 140 is an old state road clipper with a side mount "HydroClipper"
> sickle bar mower.  The engine sounds really tight and absent of any sounds
> common from a long used engine.  It will probably get less than 20 hours use
> in a year.
> Carl in rainy Mallkus NY
> 
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