[AT] Questions on a 1953 John Deere M

toma at risingnet.net toma at risingnet.net
Wed Jul 7 09:45:38 PDT 2021


Multigrade oil defaults to the lower number whether the engine does not get hot enough or it breaks down.
I would not take a chance on it
--
Sent from myMail for Android Wednesday, 07 July 2021, 08:01AM -07:00 from Cecil Bearden  crbearden at copper.net :

>Steve:
>I had 15-40 Mystic in my Ingersoll compressor with the 3-71
>      Detroit engine.  It started rattling when the outside temp got up
>      to 80deg.  I changed it to straight 40W mystic and the rattling
>      stopped.  This is why it is not recommended in the older engines
>      as they run cooler than the late model ones.  If it was running at
>      190 It may have made a difference.  It usually runs at about 170
>      deg even in 100 deg heat.
>Cecil
>On 7/7/2021 8:56 AM, Stephen Offiler
>      wrote:
>>Straight 30 is thinner than 15W-40 when the engine
>>        is at operating temperature.
>>
>>SO
>>
>>
>>On Wed, Jul 7, 2021 at 7:48 AM
>>          hfleming < hfleming at moosebird.net > wrote:
>>>Thanks all for your input on the tractor oil.  I suspect
>>>              I will go with 15W-40 diesel rated oil, since I am already
>>>              using it in the 72 IH 1300 I have, along with a 48 Ford
>>>              8N.  If oil pressure becomes a problem will look at
>>>              straight 30W.
>>>
>>>Not sure how worn the engine is, tho I suspect I will find
>>>              out.  I do know the sparkplug thread on the rear cylinder
>>>              is damaged, so I am going to have to deal with the
>>>              shortly, along with the brakes that barely work at the
>>>              moment (oil soaked) and the front axle pivot bushing that
>>>              appear to no longer exist.
>>>Thanks!
>>>Howard
>>>
>>>On 7/6/21 12:42 PM, Stephen Offiler wrote:
>>>>Seriously, farmer?  ;-)
>>>> 
>>>>Well, if so, I'd say no.  One reason is that, once
>>>>                  upon a time, full synth oils gained a reputation for
>>>>                  creating leakers (from memory, not reliable).  The
>>>>                  chemistry was not fully compatible with the elastomers
>>>>                  used in the seals.  Here in the modern day you don't
>>>>                  hear about that any more.  I don't know if the
>>>>                  elastomers have changed or the synth chemistry has
>>>>                  changed.  If it's the modern seals that keep synth
>>>>                  from leaking, then, I guess you don't want to expose
>>>>                  old seals to it.
>>>> 
>>>>And the best applications for the higher-cost full
>>>>                  synth oils are those with real temperature extremes. 
>>>>                  It flows better at extreme cold temperatures, and it
>>>>                  resists cooking at extreme high temperatures (like you
>>>>                  find in modern turbocharged engines).
>>>> 
>>>>SO
>>>> 
>>>>On Tue, Jul 6, 2021 at
>>>>                  12:21 PM Indiana Robinson < robinson46176 at gmail.com >
>>>>                  wrote:
>>>>>Hi Steve:
>>>>>I would be interested in your thoughts on using
>>>>>                      full synthetic oils in such an engine...
>>>>>The cost difference is actually minimal in the
>>>>>                      larger picture unless it is a big burner or
>>>>>                      leaker. My father used to joke that some of those
>>>>>                      old tractors with big oil filler openings needed
>>>>>                      them so that they could stop every round and
>>>>>                      quickly pour in more oil out of a milk can...  :-)
>>>>>On Mon, Jul 5,
>>>>>                      2021 at 7:36 AM Stephen Offiler < soffiler at gmail.com >
>>>>>                      wrote:
>>>>>>I would not use a thin oil in an
>>>>>>                          old and presumably worn engine.  I think
>>>>>>                          15W-40 diesel rated oil is a great choice. 
>>>>>>                          Aside from the brands mentioned, you can also
>>>>>>                          find off-brand budget-friendly oil at most
>>>>>>                          places (like Tractor Supply, Runnings, NAPA,
>>>>>>                          etc).  Then again, the benefit of
>>>>>>                          straight-weight oil is that there's more oil
>>>>>>                          in there vs multi-viscosity. The "viscosity
>>>>>>                          improver" additives take up
>>>>>>                          significant volume.  I'd still avoid thin
>>>>>>                          stuff, climate dependent.  I still see
>>>>>>                          straight SAE 30 and 40 on the store shelves;
>>>>>>                          haven't seen 10 or 20 in quite a while.
>>>>>> 
>>>>>>SO
>>>>>> 
>>>>>>SO
>>>>>> 
>>>>>>On Sun, Jul
>>>>>>                            4, 2021 at 2:41 PM Mike M < meulenms at gmx.com >
>>>>>>                            wrote:
>>>>>>>I like Mobil Delvac 1300 Super 15w40.
>>>>>>>                              Pretty cheap at Wally World or Rural King.
>>>>>>>
>>>>>>>Mike M
>>>>>>>
>>>>>>>On 7/4/2021 12:11 PM, Henry Miller
>>>>>>>                                wrote:
>>>>>>>>Awww yes,
>>>>>>>>                                  the old oil debate. 
>>>>>>>> 
>>>>>>>>Diesel
>>>>>>>>                                  oil is recommended because some of
>>>>>>>>                                  them have a sf rating which is better
>>>>>>>>                                  for your engine than the modern sj
>>>>>>>>                                  rating. Read the fine print on the
>>>>>>>>                                  back, if it has a sf rating it is
>>>>>>>>                                  better than anything available when it
>>>>>>>>                                  was new. If not I wouldn't use it. 
>>>>>>>> 
>>>>>>>>15w40 is
>>>>>>>>                                  what I use, but mostly because it is
>>>>>>>>                                  easy to find. 
>>>>>>>> 
>>>>>>>>-- 
>>>>>>>>  Henry Miller
>>>>>>>>   hank at millerfarm.com
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>>On Sun, Jul 4, 2021, at 10:03,
>>>>>>>>                                  Howard Fleming wrote:
>>>>>>>>>Happy 4th all. Have some
>>>>>>>>>                                    questions I hope you'll can help me
>>>>>>>>>                                    with.
>>>>>>>>> 
>>>>>>>>>Bought this home yesterday:
>>>>>>>>> 
>>>>>>>>>Looking for general suggestions
>>>>>>>>>                                    of things to check, and
>>>>>>>>>                                    recommendations on oil (engine,
>>>>>>>>>                                    transmission and hydraulic).
>>>>>>>>> 
>>>>>>>>>So far, I have changed the oil,
>>>>>>>>>                                    using 10w-20 oil to get it running
>>>>>>>>>                                    and home.  I plan on switching to a
>>>>>>>>>                                    diesel rated oil, what oil and
>>>>>>>>>                                    rating would you recommend?  Manual
>>>>>>>>>                                    calls for 10w in the winter, and 20w
>>>>>>>>>                                    in the summer, but things have
>>>>>>>>>                                    changed since then.
>>>>>>>>> 
>>>>>>>>>While changing the engine oil
>>>>>>>>>                                    filter, found that the lower and
>>>>>>>>>                                    upper plates are missing, I have
>>>>>>>>>                                    replacements for them on the way.
>>>>>>>>> 
>>>>>>>>>Ignition switch needs to be
>>>>>>>>>                                    replaced (or repaired), it is not
>>>>>>>>>                                    supplying power to the coil, but
>>>>>>>>>                                    otherwise is working.  Generator is
>>>>>>>>>                                    charging the battery.
>>>>>>>>> 
>>>>>>>>>Other than the ignition switch
>>>>>>>>>                                    (and lights), and possibly the
>>>>>>>>>                                    temperature gauge for the engine,
>>>>>>>>>                                    everything appears to be working.
>>>>>>>>> 
>>>>>>>>>Thanks,
>>>>>>>>>Howard
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
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>>>>>
>>>>>-- 
>>>>>-- 
>>>>>
>>>>>Francis Robinson
>>>>>aka "farmer"
>>>>>Central Indiana USA
>>>>>robinson46176 at gmail.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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