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How hot is an engine supposed to be?

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Bryce Andreasen

01-25-2003 19:29:45




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I have a '55 Farmall 400 gas and bought a set of three guages for it and the volts and oil will work, but what temp. is the engine supposed to be at for just normal running. It goes from 130F to 280F. will this work? and i need to know what it's going to read for normal running




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Fm

01-26-2003 08:59:35




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 Re: how hot is an engine supposed to be? in reply to Bryce Andreasen (Magnum), 01-25-2003 19:29:45  
If I understand you correctly, you want to know if your guage will work(not having run the tractor yet???). Yes, it will work. As said below, 190-210 degrees is about where you want it. Not much hotter than that. As said below, however, with the weather we have been having you will have trouble getting any kind of movement even close to that--too durn cold.

Mike



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Hugh MacKay

01-26-2003 01:41:56




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 Re: how hot is an engine supposed to be? in reply to Bryce Andreasen (Magnum), 01-25-2003 19:29:45  
If your anywhere north of the Mason-Dixon line and talking about the past week, and the temps we have been getting guage will not likely move much unless you have some quite heavy work for 400. Before you give up on that guage check your thermostat.



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Bob M

01-25-2003 19:57:19




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 Re: how hot is an engine supposed to be? in reply to Bryce Andreasen (Magnum), 01-25-2003 19:29:45  
I believe the stock thermostat back then was 150 degrees. This probably corresponds to the left end of the "NORMAL" range on the OEM temperature gage. The right end of "NORMAL" likely then corresponds to 212 degrees (or perhaps 220 for a pressurized cooling system).

For what it's worth I've found my Super M (equipped with an Stewart-warner 100 - 240 deg electric temp gage) runs better and uses a little less fuel when run at 180 - 190 degrees vs the factory 150. This is especially so under idle and light load conditions. So I now run 180 t'stats in both my tractors (SH and SM) now.

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Mark W.

01-26-2003 08:46:46




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 Re: Re: how hot is an engine supposed to be? in reply to Bob M, 01-25-2003 19:57:19  
In addition to running a little better, I remember reading that an engine (a '65 Mustang V8, anyway) suffers less mechanical wear when running at higher temperatures -- within reason, of course.

Mark W.



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DHuth2

01-26-2003 22:09:49




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 Re: Re: Re: how hot is an engine supposed to be? in reply to Mark W., 01-26-2003 08:46:46  
Another main factor on the higher operating temps(195) is for better combustion of the fuel and in turn, lower emmissions.....I think we can thank California for that..... been told the nwewr blends of fuel work better at higher temps.....



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CNKS

01-25-2003 19:50:11




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 Re: how hot is an engine supposed to be? in reply to Bryce Andreasen (Magnum), 01-25-2003 19:29:45  
I'm more used to the "cold, run, hot" gauges. When I ran our H as a kid in the summer under full load, it probably ran about 190 degrees during the afternoon in the summer (high side of the "run" area). On very hot days, water would sometimes come out the overflow, meaning 212 + -- too hot. Lightly loaded, about 150-180. A comfortable full load temperature is probably about 180, depending on load. In the winter, it is hard to get these tractors out of the "cold" area.

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Keith

01-25-2003 19:39:43




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 Re: how hot is an engine supposed to be? in reply to Bryce Andreasen (Magnum), 01-25-2003 19:29:45  
Bryce , I have 2 - 400's both of mine run in the 190 to 210 range. Maybe just a little more on a real hot day. I would try another gauge. As it sounds like your may be defective if the tractor itself does not appear to be over heated.



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