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MD coolant heater

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brian

12-14-2000 06:17:08




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I have read about Ms and MDs having had a tank type engine heater installed. The coolant bypass loop where you would normally put a tank type heater has only about 1/4" of clearance between the bottom of the thermostat housing and the top of the water pump. I have seen heaters that go in the bottom radiator hose but there is no clearance there either and besides half of the heat would go out the radiator. Is there some way to plumb one in between the coolant drain on the left side of the block and the thermostat housing vent, maybe? Anybody seen this done? I have a magnetic mount heater that I put on the oil pan but it doesn't do much.

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brian

12-15-2000 05:26:51




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 Re: MD coolant heater in reply to brian, 12-14-2000 06:17:08  
Thanks guys -- I knew somebody(ies) out there would know. And an answer in less than 24 hours! Happy Holidays, everyone. Brian



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stevie-b

12-14-2000 20:00:57




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 Re: MD coolant heater in reply to brian, 12-14-2000 06:17:08  
I have an external tank heater plumbed in between the engine block drain and the opening in the head where the temp.guage is plumbed in. There doesnt seem to be any room for a bottom radiator hose heater the way they are made. This works very well on my 1939 M and on two other tractors I have. Hope this helps.



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Denny

12-14-2000 14:13:27




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 Re: MD coolant heater in reply to brian, 12-14-2000 06:17:08  
Do what Ace said. We did almost the same thing on my Super H but I like His way better. We drilled & tapped a hole in the right side of the head over the #3 spark plug. It's only a couple inches away from the temp gauge. Use Ace's Tee idea. Saves drilling the hole! Stay away from the thermostat. Try to keep the heat to the back of the engine so it stays "IN the engine"



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ken

12-14-2000 07:39:36




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 Re: MD coolant heater in reply to brian, 12-14-2000 06:17:08  
I dont know if an M_D is different but on my super M I put a hose on the radiator drain to a tank heater and then to the block drain. The tank heater has a one way valve so pushes warm antifreeze into the block. works well. On my diesel Ford I used one of those lower radiator hose heaters, they also have a one way valve, takes coolant from rad,heats it up and pushes it into block, worked fime for me.

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Ace Schrunk

12-14-2000 08:14:27




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 Re: Re: MD coolant heater in reply to ken, 12-14-2000 07:39:36  
Go from block drain to the tank heater to the temp gage with a pipe tee so you can put the gage and heater in the sams place that the gage was no need to heat radiator and some times thermostate will cause heatwer not to work.



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Bob R

12-14-2000 09:12:43




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 Re: Re: Re: MD coolant heater in reply to Ace Schrunk, 12-14-2000 08:14:27  
My H has the 5/8" hose from the vent to the heater. Then the same size hose to the block drain . They put a hose barb in thr block .
I never have used it as I am still working on the tractor . But thats how someone before me had it .
Its looks fine...



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