Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

Plastic Radiator Overflow?

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Old 08-16-2007, 02:37 AM
  #21  
4reboy
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Default RE: Plastic Radiator Overflow?


ORIGINAL: Aussie66Fastback

hahahha high school physics is actually pretty handy. not sure about math!
haha well my physics class isn't until this year, so a year from now I wouldn't have even asked that question! My school is just weird, already started too [:@]
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Old 08-16-2007, 02:40 AM
  #22  
Soaring
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Default RE: Plastic Radiator Overflow?

ORIGINAL: 4reboy


ORIGINAL: Aussie66Fastback

hahahha high school physics is actually pretty handy. not sure about math!
haha well my physics class isn't until this year, so a year from now I wouldn't have even asked that question! My school is just weird, already started too [:@]
Already started? Then why in hell are you on the forum at 2:30 in the morning?
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Old 08-16-2007, 08:01 AM
  #23  
crunchyskippy
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Default RE: Plastic Radiator Overflow?

ORIGINAL: Aussie66Fastback

yeh its simple as heat causing expansion of the fluid which forces it out of the tank into the overflow/ recovery tank.

when you switch off and everything cools down, the fluid in the rad contracts creating vacuum that sucks the balance back out of the recovery tank.
Do you replace the radiator capwhen you add the overflow resevoir? Perhapsthe new cap has a pressure release going one way (to get out of the radiator) and aone-wayvalve going the other (to get back in the radiator)? I'm still confused on how the coolant gets back into the radiator.

I do, however, get the vacuum explanation!



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Old 08-16-2007, 08:21 AM
  #24  
dstanger
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Default RE: Plastic Radiator Overflow?

You know, once again I ask a question and get answers to parts of the question I never even thought of yet... you gotta love this forum! Thanks bros! I think I'll put an old ***-looking plastic one on although the idea of making one out of clear pvc pipe sounds interesting... that could bolt right to the side of the radiator and be completely out of the way.
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Old 08-16-2007, 08:24 AM
  #25  
dstanger
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Default RE: Plastic Radiator Overflow?

Hey, btw, what pound radiator cap should you use with an overflow? I have a 20lb on my car right now, not sure that is even right...
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Old 08-16-2007, 08:28 AM
  #26  
dodgestang
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Default RE: Plastic Radiator Overflow?

ORIGINAL: Soaring

Maybe I just approach a daily driver in a different way than some of you guys. I want it to be functional, and easy to work on. Mine is not a show car, and has never won a prize ever, but it starts and runs efficiently all the time. It may be a classic Mustang, but it is also a driven Mustang. I drive it hard and expect it to function just like my Mach1. That big *** white plastic overflow tank works just fine thank you.
*ahem*

12.3, local show winning, street car.

$6 catch can.

I believe form follows function...it also nicely hides my MSD so no one knows I have a supped up motor
lol




I actually had bought one of those fancy dancy cylinder ones that mounts next to the radiator.
1. You can't see in them so it is impossible to check your fluid level without opening it up
2. When hot the metal expands and the screw cap lid won't open
3. When attempting to open one of these when hot because it was vitally important I know my fluid level at that point in time, it broke off at the mounts.

Picture of the cylinder style installed

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Old 08-16-2007, 08:30 AM
  #27  
dstanger
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Default RE: Plastic Radiator Overflow?

Sorry soaring, I see that you say to use a 13lb cap... gotta read, right?
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Old 08-16-2007, 08:32 AM
  #28  
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Default RE: Plastic Radiator Overflow?

dodgestang, where did you get yours? That looks great (certainly not *** <grin&gt. Did you get the little cage with it? Please, tell me where you got that one!
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Old 08-16-2007, 08:35 AM
  #29  
dodgestang
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Default RE: Plastic Radiator Overflow?

ORIGINAL: dstanger

dodgestang, where did you get yours? That looks great (certainly not *** <grin&gt. Did you get the little cage with it? Please, tell me where you got that one!
Autozone, came with the little metal holder too.
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Old 08-16-2007, 08:54 AM
  #30  
mySAVIOReigns
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Default RE: Plastic Radiator Overflow?

???? Soaring and dodgestang have the exact same model, minus the cap - Soaring's is black, and dodgestang's is red. I have the same one too. (with a red cap)

haha, you can remove your foot from your mouth now...
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