223 Inline 6 Running Hot
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Tuned
Joined: Apr 2010
Posts: 366
Likes: 3
Yes. Now it is 7 years old, but at the time of those threads, it was essentially new. The general behavior of the engine has remained the same: long periods of high speed raises the temp. (Realistically I don't think I'll ever drive this truck out of town, so it's a non-issue.)
$700 for a recore original radiator is far more than I'm willing to spend, but I'll go there later and ask anyways.
$700 for a recore original radiator is far more than I'm willing to spend, but I'll go there later and ask anyways.
Thread Starter
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Tuned
Joined: Apr 2010
Posts: 366
Likes: 3
Update. The radiator was clogged along with other issues so I sprung for a new core. Just installed it tonight and tomorrow will fill it with 2 gals of 50/50 antifreeze and 2 gals of distilled water. Hopefully this will resolve the issue.
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Tuned
Joined: Apr 2010
Posts: 366
Likes: 3
Hi Abe. I figured since it stays pretty warm throughout the year in Florida that I wouldn't need strictly 50-50 antifreeze and that I could also supplement with distilled water. Am I looking at this the wrong way?
Fleet Owner
Joined: Dec 2000
Posts: 25,378
Likes: 5,387
From: Central PA
Oh, I think you're okay with that, but was wondering why distilled water and not tap water?
Fleet Owner
Joined: Dec 2000
Posts: 25,378
Likes: 5,387
From: Central PA
That makes sense sort of what I thought, especially if you have hard water.
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Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
And diluting 50/50 antifreeze? Why? It's not 50/50 anymore. More like 5/5. 50/50 antifreeze is formulated to be run full strength. It not only protects from freezing, but overheating as well. When you dilute it you effectively lower the boiling point. With all due respect, suggest reading the labels.
Cargo Master
Joined: May 2008
Posts: 2,486
Likes: 336
From: Bakersfield, CA
His critical point: Water causes iron engines to rust, this rust damages the block and also fills the radiator with sediment or rust chunks causing it to plug. The amount of cooling efficiency you lose when running higher concentrations of antifreeze is worth the long term damage done to cast iron engines from high concentrations of water.
Obviously I can see this becoming a very contentious debate.
I also said it was a non-issue since some of these old blocks have been in service for 60 years.
His response: And now look inside your coolant passages...what do ya see?........that's water for ya, buddy.
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Maybe get away with it in California, but those of us who live in cold climates need a 50/50 mix.
100% undiluted ethylene glycol coolant, straight out of the jug green "antifreeze" will freeze at +10F degrees!
Mixed with water though, it will not crystallize and therefore depresses the freezing point. That's right boys and girls, ya gotta add water to reach the maximum -84F below zero freeze protection, specifically a 70% coolant 30% water mix. Look on any Antifreeze chart if ya don't believe me. A 50/50 mix is good to -34F below zero.
100% undiluted ethylene glycol coolant, straight out of the jug green "antifreeze" will freeze at +10F degrees!
Mixed with water though, it will not crystallize and therefore depresses the freezing point. That's right boys and girls, ya gotta add water to reach the maximum -84F below zero freeze protection, specifically a 70% coolant 30% water mix. Look on any Antifreeze chart if ya don't believe me. A 50/50 mix is good to -34F below zero.
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Straight antifreeze can cause overheating. Geez. Your radiator guy is wrong. The only coolant that you can run straight, to my knowledge, is Evans Waterless Coolant
And diluting 50/50 antifreeze? Why? It's not 50/50 anymore. More like 5/5. 50/50 antifreeze is formulated to be run full strength. It not only protects from freezing, but overheating as well. When you dilute it you effectively lower the boiling point. With all due respect, suggest reading the labels.
And diluting 50/50 antifreeze? Why? It's not 50/50 anymore. More like 5/5. 50/50 antifreeze is formulated to be run full strength. It not only protects from freezing, but overheating as well. When you dilute it you effectively lower the boiling point. With all due respect, suggest reading the labels.
Logistics Pro
Joined: Mar 2005
Posts: 3,771
Likes: 80
From: tujunga, calif
A simple thing many overlook on a 223 is the vacuum advance. Thrre is NO mechanical advance. If the vacuum canister is bad and doesn't provide enough ignition timing it will cause a heating condition..
I agree with the others, I would never run 100% antifreeze. Antifreeze is to prevent freezing. I think it was just a slick marketing adding the Coolant name to it.. A few radiator guys I have talked to have always told me water will transfer heat better then antifreeze..
I agree with the others, I would never run 100% antifreeze. Antifreeze is to prevent freezing. I think it was just a slick marketing adding the Coolant name to it.. A few radiator guys I have talked to have always told me water will transfer heat better then antifreeze..