401 coolent heater?

Scottsc

New User
what do I do to get a coolent heater on my 1955 401 diesel it gets cold up in iowa so I need some help?
 
scottsc, my 1955 411 has a block heater works good,but its a gasser. Don't know if it would do the trick on your diesel.....gobble
 
I've got 2 400 diesels, a 55 and a 56. Both have block heaters and they work well. Make sure you're burning #1 (it's getting harder to get, everyone uses a blend it seems). I've had no trouble, other than with the operator, in the well below zero range.
 

I have been told that 401 don't take frost plug heaters at all and then ive been told different what's the easiest to install?
for heaters do I put a in line on the lower hose or what?
 
Take it from a Mn. native, get a tank heater. All you have to do is pull the plug in the bottom of the block and there is another in the water manifold.Just make sure that the plug in the water manifold is on the engine side of the thermostat. It will warm the engine much better than block heaters do and be less likely to leak and be easier to replace when the time comes.
 
Get a heater from John. I have had problems with a tank heaters more than a few times. When the weather is cold that is a poor time to play in antifreeze. This is advice from a old MoDOT mechainic.
 
$49.42. We are in NY State & ship anywhere. This would ship very economically 1st class postage. We accept plastic & paypal. e-mail is open.
 

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