[AJD] Running temperature

[Robert L. Holtzer]

Thanks for the info Bill.  I have zip experience with marine 
engines!  My thermostated Farmalls seem to run around 165 - 170.  My 
JD M (thermosyphon) runs near 200 with 50% ethylene glycol.

Bob

At 09:01 AM 6/2/2008, you wrote:
>HI Bob,
>
>Thanks for your message.  You are right about the sludge concern, but the
>sludge will probably not be a concern at 145 degrees.  Many marine engines
>that are salt water cooled run at about 140 degrees and don't have the
>sludge problem.  It is also true that engines generally run better and
>cleaner when they run hotter, but remain out of the boiling range.
>
>Thanks again for your response.
>
>Bill Salisbury
>----- Original Message -----
>From: "Robert L. Holtzer" <rholtzer at earthlink.net>
>To: "Antique John Deere mailing list"
><antique-johndeere at lists.antique-tractor.com>
>Sent: Monday, June 02, 2008 10:50 AM
>Subject: Re: [AJD] Running temperature
>
>
> > Somewhere I got the idea that running at lower temperature will
> > result in sludge buildup in the engine.  Anyone have information on this?
> >
> > Bob Holtzer
> >
> >
> > At 05:33 AM 6/2/2008, you wrote:
> >>HI CEE VILL,
> >>
> >>Thanks for your information.  I do appreciate your effort.  I still have
> >>the
> >>old thermostat and although it seemed to produce the same running temp, I
> >>will check it on the stove to see when it opens.
> >>
> >>Regards,  Bill
> >>----- Original Message -----
> >>From: "CEE VILL" <cvee60 at hotmail.com>
> >>To: "Antique John Deere mailing list"
> >><antique-johndeere at lists.antique-tractor.com>
> >>Sent: Sunday, June 01, 2008 9:27 PM
> >>Subject: Re: [AJD] Running temperature
> >>
> >>
> >>
> >>The only time that would seem like a problem to me, Bill, is if I wanted
> >>heat from a heater core in winter, or if I was going to run kerosene.  It
> >>seems your cooling system is doing a good job.  If you work it hard on a
> >>90
> >>degree day and it runs 20 degrees warmer, you are still in good shape.  I
> >>suspect the new thermostat starts to open lower than it is marked.  I have
> >>had to try three of them in years past to get one that would give me good
> >>heat in winter on some trucks and cars.  I have cooked them on the stove
> >>with a candy thermometer in the water to see where they really open.
> >>
> >>Charlie V.
> >>
> >> > From: salisburyw at comcast.net
> >> > To: antique-johndeere at lists.antique-tractor.com
> >> > Date: Sun, 1 Jun 2008 20:41:22 -0400
> >> > Subject: [AJD] Running temperature
> >> >
> >> > HI JD owners,
> >> >
> >> > Can you tell me if it is generally normal for a JD 420 cooling system
> >> > to
> >> > run on the cold side even when working hard?
> >> >
> >> > My 420 has a new temp gage and a new 160 degree thermostat.  About the
> >> > highest reading that I ever see is 145 degrees when running.  After
> >> > shutdown, the temp indicator will rise to about 170 briefly and then
> >> > begin
> >> > to drop as the engine and cooling system cools.  Even on a hot day
> >> > about
> >> > the highest reading I ever see is 145.  I have been intending to use an
> >> > infra red heat gun on various parts of the cooling system and radiator
> >> > hoses to see if the temp gage readings are accurate, but have not done
> >> > that yet.  I was intending to do that this weekend, but forgot to take
> >> > the
> >> > heat gun with me.  I live 120 miles away from the tractor.
> >> >
> >> > I welcome your comments.
> >> >
> >> > Bill Salisbury living in Virginia
> >> > _______________________________________________
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> >>
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