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03-26-2009, 05:45 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by Morris
Put a zinc anode in the water system and all will be OK....
Morris |
But wouldn't a sacrificial zinc anode in a closed radiator system still create a gas?  |
03-26-2009, 10:21 PM
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CC Member
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Join Date: Sep 2002
Location: Baton Rouge, Louisiana,
La.
Cobra Make, Engine: Waiting to Order a BDR, engine to be a SA C408. TKO to hook it up.
Posts: 1,259
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Not Ranked
yup sure would
__________________
Pull a gear .... drop the hammer .... and enjoy the Drive !!
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03-27-2009, 03:41 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,592
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Not Ranked
Dan,
Here are a couple of your pictures that may help the guys get an idea of what your plugs look like. The first two you have numbered as # 8 and # 4. Glad that you have narrowed it down as this will help anyone else that may run into this in the future. Not the normal type problem.
Ron
Last edited by Ron61; 03-27-2009 at 03:45 AM..
Reason: To Add To
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03-27-2009, 06:40 AM
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CC Member
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Join Date: Feb 2000
Location: St. Lucia, West Indies,
WI
Cobra Make, Engine: Unique 427SC 383 stroker
Posts: 3,765
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Not Ranked
How are pictures of his plugs related to this problem and the solution he found??? What am I missing?
And I have to agree that if the pressure buildup is the result of gasses liberated from a galvanic corrosion or electro-chemical reaction, then the introduction of a sacrificial anode would likely produce even more gas or at least produce the same amount faster.
__________________
Tropical Buzz
Grant me the serenity to accept the things I cannot change, the strength to change the things I can, and the wisdom to know the difference. -(wasn't me)
BEWARE OF THE DOGma!! Dogmatism bites...
Last edited by Buzz; 03-27-2009 at 06:48 AM..
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03-27-2009, 07:28 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by Buzz
How are pictures of his plugs related to this problem and the solution he found??? What am I missing?
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They're not related; you missed nothing. The plugs were simply an interesting sidebar that was totally unrelated to the real issue at hand. |
03-27-2009, 08:07 AM
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CC Member
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Join Date: Feb 2000
Location: St. Lucia, West Indies,
WI
Cobra Make, Engine: Unique 427SC 383 stroker
Posts: 3,765
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Not Ranked
Ah so. 
__________________
Tropical Buzz
Grant me the serenity to accept the things I cannot change, the strength to change the things I can, and the wisdom to know the difference. -(wasn't me)
BEWARE OF THE DOGma!! Dogmatism bites...
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03-27-2009, 09:40 AM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine: Hurricane HM1073 Keith Craft Genesis 427FE/482 CI
Posts: 390
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Not Ranked
Quote:
Originally Posted by patrickt
But wouldn't a sacrificial zinc anode in a closed radiator system still create a gas? |
I've had a zinc anode in it since the beginning. I only started getting the pressurizing of the system when I added the UV dye.
I use 10% green anti-freeze and the UV dye is brown but turns green when put in the water.
The zinc anode did not create any gasses before adding the UV Dye.
What is not normal about the 4 & 8 plugs?
Dan |
03-27-2009, 09:43 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by danc30
What is not normal about the 4 & 8 plugs?
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I think they're fine. Clean 'em off a bit, gap 'em, and put 'em back in and forget about it.  |
03-28-2009, 06:28 PM
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CC Member
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Join Date: Feb 2008
Location: Jacksonville,
FL
Cobra Make, Engine: Kirkham #570 w Shelby FE
Posts: 1,009
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Not Ranked
Not really unusual to get a little oil deposits on the back cylinder plugs. The valve guides pull a little and the back cylinders valve train is submurged because of oil being forced to the back of the valve covers. |
03-31-2009, 08:17 AM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine: Hurricane HM1073 Keith Craft Genesis 427FE/482 CI
Posts: 390
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Not Ranked
No more pressurizing. I just drained and flushed and put 90% distilled water, 10% anti-freeze and a bottle of water wetter. 2 days since and no pressure.
Thanks for all your help.
Dan
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03-31-2009, 08:21 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,000
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Not Ranked
Quote:
Originally Posted by danc30
No more pressurizing. I just drained and flushed and put 90% distilled water, 10% anti-freeze and a bottle of water wetter. 2 days since and no pressure.
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Ehhhrrr, I don't know..... I think just to be on the safe side you ought to pull your heads, intake, and rear differential just to make sure.  |
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