Re: Anyone else running hot?
[Re: Merlin45]
#2072263
05/12/16 09:57 PM
05/12/16 09:57 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Gotta agree with Stumpy. Had the same issue with my 64 300 after I rebuilt it. Played with thermostats, fans, oversized radiator but it wasn't until I put a shroud on that the problem went away. I suspect a well fitting electric fan, a good on at that if you go that route, would do the same.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: Anyone else running hot?
[Re: Merlin45]
#2072317
05/12/16 11:02 PM
05/12/16 11:02 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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3 or 4 core, clean coolant, a good cap, a 180 or 195* thermostat, a shroud, a good water pump and fan set up and no issues with any of my cars. I have foudn that if I fill my radiators all the way up they will tend to poke out some coolant after shut off until they seek their own level, after that no more poking.
Careful, your character's showing!
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Re: Anyone else running hot?
[Re: stumpy]
#2072369
05/13/16 12:03 AM
05/13/16 12:03 AM
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Joined: Jan 2003
Posts: 15,457 Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,457
Omaha Ne
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Do you have a shroud on the radiator? Rising temps at slow speeds is normally an air flow problem. How high do the temps get? X2 more info needed
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Re: Anyone else running hot?
[Re: Merlin45]
#2072401
05/13/16 01:11 AM
05/13/16 01:11 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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As said it saure sounds like an air flow prob. I would get a decent (wider) schroud and a fan with larger dia blades (& how many blades does the current one have?) and the fan positioned (front/rear) the proper distance into the schroud. Not likely it (but might be contributing if way out of line) but curious what is your idle in gear initial cuz that is what the eng is seeing at the stoplight and what is the timing at the RPM it is seeing going from one stoplight to another and what is the WP pulley ratio
live every 24 hour block of time like it's your last day on earth
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Re: Anyone else running hot?
[Re: Merlin45]
#2072726
05/13/16 04:57 PM
05/13/16 04:57 PM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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The 4 core radiator is part of the problem. Cooling is about flow. Four .500 tubes is a restriction in the system.
I don't think Chrysler ever used a 4 core radiator. Make sure the water pump is turning crank speed or even a bit faster.
Last edited by madscientist; 05/13/16 07:47 PM.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Anyone else running hot?
[Re: Merlin45]
#2072788
05/13/16 06:17 PM
05/13/16 06:17 PM
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Joined: Jan 2003
Posts: 28,068 Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,068
Irving, TX
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Stop! Before you do anything you need to find the problem. Throwing parts at it will likely empty your wallet and not fix the problem. I guess it's time to pull this thread out again. https://board.moparts.org/ubbthreads/ubbthreads.php/topics/1463521/1.htmlIt should help you find the culprit quickly. We can go from there after it is found.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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Re: Anyone else running hot?
[Re: Merlin45]
#2072790
05/13/16 06:20 PM
05/13/16 06:20 PM
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Joined: Feb 2003
Posts: 16,156 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,156
Mesa, Arizona
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Im at this point with this 65 300 vert I just scored on. It's a SF car so no AC. Not sure when the system was flushed last. I have all the maintenance records on the car but nothing on when or if the rad was replaced or for that matter the water pump. I have a new 5 blade with a clutch and have the stock steel fan shroud in route. Its starting to creep up in the 100s here so a temp gauge is probably in the cars future.
“So if it’s on the internet it must be true”
Abe Lincoln
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