running oil through a heater core

[freedeutz]

i got my hands on a 5 cylinder aircooled deutz out of an iveco box truck. well since its aircooled it used engine oil through a heater core in the box truck. well since i was going to make a genset out of it i scraped the cab. now i got the great idea to shove it in an S-10, long story short do you think i can run oil through the stock S-10 heater core? i'm 50/50 on it. might be to thick and have too much pressure and just make a giant mess. just throwing out there.

[BobS]

Cooling system components are generally work rated in the 20 PSI range. I would imagine the oil pressure would possibly exceed this limit when the engine is cold.

If one is available a properly sized oil cooler could work.

[DieselSchlepper]

A radiator shop might be able to pressure test a brass core.

[freedeutz]

ya thats what i figured. i know where theres another box truck but its in a mud hole of a junk yard.

[4x4_Welder]

Why not get an oil cooler for a Mercedes W126 300sd? They are about the right size, and designed for the pressure.

[DieselSchlepper]

Hey freedeutz: I'd get that truck if I were you. Unless you have the tranny and bell housing already. Your gonna have a cable clutch I think and it would be easier just to get the original setup. That's what I'm gonna do. Impressive that an aircooled diesel can live in the heat of Louisiana.

[kaptar]

I'm sure a transmission cooler would take the oil pressure.

[4x4_Welder]

Transmission coolers aren't easily used for a heater core because they have a lot of open space for air to flow through and cool the radiator. The M-B oil cooler sits off to the side of the radiator, and is a much denser two-pass style unit.

[beck]

We use a few hydraulic pumps where I work that have oil coolers attached. This may have the same problem as the transmission coolers though. I thought the whole idea was too pull the heat from the oil. That is just what the transmission cooler does. Would it have too much air flow for a heater? How about stacking 2 or even 3. I have also seen some pretty nice units un water coolers. They are designed for refrigeration pressures I think.
I was looking for a Deutz for a while but have given up. When I find one the price is way more than I am willing to pay. I can't justify that much for another of my toys.

[DieselSchlepper]

Hey beck, there's been one on fleabay for $1000 out of an Iveco - F5L 912. It's out of Jersey though. I emailed him once on the mileage and he didn't get back. Supposed to be awesome motors with grreat mileage.

[DieselSchlepper]

i got my hands on a 5 cylinder aircooled deutz out of an iveco box truck. well since its aircooled it used engine oil through a heater core in the box truck. well since i was going to make a genset out of it i scraped the cab. now i got the great idea to shove it in an S-10, long story short do you think i can run oil through the stock S-10 heater core? i'm 50/50 on it. might be to thick and have too much pressure and just make a giant mess. just throwing out there.

What is the engine oil pressure on a Deutz? I'l find out. I'm sure a brass heater core could hold up.. Did you get tested?

[beck]

The heater core in my '62 Chevy PU just failed. This is my 4bta powered truck. I tested it before using it when I constructed the truck. If I recall I put about 25 psi on it. It held then. Now 7500 miles later it's shot. I can't imagine the mess it would be with motor oil dripping inside the cab.

[4x4_Welder]

Count on 80-100psi with the oil cold, no way a heater core could handle that.

[DieselSchlepper]

Oh! Don't do it then! Get the heater core from the deutz designed to do the job, or call Summit and give them the dimensions of your heater core now and buy an oil cooler close to that. I'm gettin the original core from mine and trying to make it fit.

[Agfuels]

i got my hands on a 5 cylinder aircooled deutz out of an iveco box truck. well since its aircooled it used engine oil through a heater core in the box truck. well since i was going to make a genset out of it i scraped the cab. now i got the great idea to shove it in an S-10, long story short do you think i can run oil through the stock S-10 heater core? i'm 50/50 on it. might be to thick and have too much pressure and just make a giant mess. just throwing out there.

Deutz Cabin Heating: Heater Core Pressure Rating



The maximum oil pressure, measured at the cab heat connections, will depend on a number of factors. Everything else being equal the greatest influence will be the engine's oil pump.

Usually Deutz engines configured for vehicle applications will have a higher oil pump flow capacity than those for industrial applications. The reason is to provide sufficent flow for the heater core and the engine's requirements. The F5L 912 truck engine's oil pump will have a higher flow rate than its industrial counterpart.

Generally, all tractor engines have the higher capacity oil pumps as almost all tractors have cab heating. Deutz maintenance manuals usually list the various engine lube oil pumps and their flow rates.

The heater cores I've dealt with have a working pressure of 12 bar (175 psi).

A word of caution. Obtaining fast and sufficient heat from an engine oil cabin heating system is no small task. We spent almost twenty years refining our heating systems to the point we are ready for a winter trip to the North Slope where we might encounter temperatures in the -50 degree F range. The exhaust temperature controlled cooling air blower is a must.

An option on most Deutz tractors is the auxiliary heater which is a small hot air oil furnace plumbed into the tractor's fuel system. Maggie trucks destined for arctic use had this system installed. If one has reservations about an anemic cabin heater/defroster system this approach should be considered.

[4x4_Welder]

I was thinking about this today- A lot of the DD electric vehicle conversions out there have the heater core replaced with a ceramic heater element, like the 1500w ones you find at Wal-Mart. 1500w at 14v is roughly 105a, which sounds like a lot until you consider a second, dedicated alternator. The heat output will be a bit less than the old system, but it'll be instant heat.

[DieselSchlepper]

Oh! Don't do it then! Get the heater core from the deutz designed to do the job, or call Summit and give them the dimensions of your heater core now and buy an oil cooler close to that. I'm gettin the original core from mine and trying to make it fit.

I finally found out more about this. The oil heater core is plumbed with high pressure hydraulic type lines so it is not a good idea to try substitutes. If you live in a cold climate....

I wonder if my Iveco has an auxiilary heater? Haven't looked in there yet.

[Agfuels]

I finally found out more about this. The oil heater core is plumbed with high pressure hydraulic type lines so it is not a good idea to try substitutes. If you live in a cold climate....

I wonder if my Iveco has an auxiilary heater? Haven't looked in there yet.

Attached is an outline of the tractors' auxiliary heating system. If you can find and install one you'll never be cold. The heat is nearly instantaneous. It does require onboard electrical power so a roboust battery system is advised.Verisons are available for engine heating required for artic starting.

Cabin heating with an air cooled engine, using engine oil, is not exactly straight foward. Under idle and light load conditions the heater's output will be disappointing. That's why, when the first Deutz powered "bread trucks" appeared, a space heater placed beside the driver was standard equipment.

[OM617]

Use a restriction orifice.

[DieselSchlepper]

Attached is an outline of the tractors' auxiliary heating system. If you can find and install one you'll never be cold. The heat is nearly instantaneous. It does require onboard electrical power so a roboust battery system is advised.Verisons are available for engine heating required for artic starting.

Cabin heating with an air cooled engine, using engine oil, is not exactly straight foward. Under idle and light load conditions the heater's output will be disappointing. That's why, when the first Deutz powered "bread trucks" appeared, a space heater placed beside the driver was standard equipment.

Thanks: I'll bet I could find this at the tractor shop. Do you think could substitute for oil heater core in cab?

I agreed to purchase an F4L 912 today from an aircompressor for $800. Its from Karl's Mobile Repair in Independence MO. Its supposed to be a running engine that has not been started since 1990. I guess we'll start it before we take it home. That means bolting it to a couple a planks, 2x4s enough? What else do I need? I'll bring a gallon of fuel and a good battery.

[DieselSchlepper]

Actually that 4 runs so smooth it stood on the engine stands with barely a shake.

[freedeutz]

ran my 5 cylinder on the garage floor, and when i shut it down in almost fell over!

[DieselSchlepper]

i got my hands on a 5 cylinder aircooled deutz out of an iveco box truck. well since its aircooled it used engine oil through a heater core in the box truck. well since i was going to make a genset out of it i scraped the cab. now i got the great idea to shove it in an S-10, long story short do you think i can run oil through the stock S-10 heater core? i'm 50/50 on it. might be to thick and have too much pressure and just make a giant mess. just throwing out there.

I wonder if the five will be too much engine for and S10? It certainly seems like it based on running mine.

[freedeutz]

your probably right 800lbs is quite alot for something that small. i was just thinking out loud.

[DieselSchlepper]

I have the Iveco heater core/oil cooler. I just looked at a $22.00 new heater core for my 1984. They look about the same strength and weight component wise. I think I'm gonna have the lines made up and braze fittings to a new heater core and try it under the hood for a while and see how it holds up. Got a feeling it will do just fine. I could have a radiator shop pressure test it too I guess.

[siloguy]

We have an old Deutz tractor with a cab. The heater takes heated air from the back two jugs. There is a small box bolted under the muffler with a door in it hooked to a cable that goes into the cab and is your heater control. The control button and cable are the same as you would see on an old manual choke gas engine. When the button is all the way in, all the air is dumped and exits out the side of the engine like normal. When the button is all the way out, the air is directed into an insulated hose (~2.5" dia.) which feeds through the firewall into the cab, where it feeds a 12V squirrel cage blower and is then ducted to the windshield for defrosting or the foot area for cab heat. You regulate how much heat you get by how far you pull the button, because the blower has only one speed. It worked pretty well until the bearings went out on the blower. I think I could retrofit most any blower from a car or truck to fix it.

[DieselSchlepper]

Like an old VW.

[siloguy]

I'm guessing that the jugs heat air faster than the oil cooler/heater core will in cold weather. I do think that you get some more engine noise this way and of course, you need a larger hole in the firewall, although one is all you need. A plus is no pressurized oil in the cab to tempt Murphy's law!

The newest Deutz we had used a fan clutch and it warmed up faster in winter. I think the fan clutch was plumbed into an oil galley somewhere and it was a turbo 913 engine. That one used a heater core that took oil from the oil cooler when you wanted heat. It was easier to regulate the amount of cab heat with that system although there was little or no heat if you let it idle long in the winter. The old Deutz that used the hot air from the back two jugs produced decent heat, but you needed to fiddle with it a lot if you like to maintain one temp as it seemed to be a feast or famine type of heater! Now if you could hook in some kind of linear control hooked to a thermostat, you might have a really good system.

[siloguy]

West MI Diesel has, or at least had some boned out later model DX Deutz tractors with cabs. These were mostly tractors that had a bonehead transmission that was their downfall. These would have the oil heater cores and heater controls and probably could be had for a lot less than a new price. Might be worth a try. Google them if you want to check it out.