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Silver Seal for Heads??

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Old Sep 9, 2008 | 06:31 PM
  #1  
84 Diesel Lover's Avatar
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Silver Seal for Heads??

Hi- I was at Napa yesterday looking for a miracle leak stop to get me through on my leaking heads, my favorite parts guy Randy said people with gassers have had luck with a metal shaving additive called Silver Seal.
You put this in your radiator and it some how replaces missing gasket material. I will be replacing my head gaskets in the near future.
I have to replace my furnace first as winter is comming and I have one on order, should be at the terminal tomorrow. Any help would be great on if additives work. I am only looking for a 3-6 week fix. Hopefully 3 paychecks.
Sorry, I have an 84 6.9L stock 166,000 miles. Thanks for the help, Stephen
 
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Old Sep 9, 2008 | 10:41 PM
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Dave Sponaugle
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84 Diesel Lover,
It might slow down or stop the leak, but it also might stop up the heater core, oil cooler and radiator.

I am not a big fan of stop leak or other products like that.

Heater core, about 40 dollars
Oil cooler bundle, close to 1000 dollars.
Radiator, around 400 dollars.

If it were mine, I can by a lot of distilled water for 1400 dollars, it can leak for 6 weeks if it has to.
 
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Old Sep 9, 2008 | 11:17 PM
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i second that
 
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Old Sep 9, 2008 | 11:21 PM
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From: Sweet Home, OR
I third it, that stop leak stuff can do all of the things Dave said. Let it leak but keep it topped off.
As was already said.

Different leak but....about 13 years ago I had a Dodge that had a pin hole in the radiator tank and I used some of that 2-part epoxy repair stuff, I used it as the directions said. My buddy owns that truck now and it is still holding strong. No good for your problem but works great on radiator tanks.
 
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Old Sep 10, 2008 | 05:09 AM
  #5  
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mistakenID
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If you absolutely must put a stop leak product in, I would use Bars Leak. Years ago Bars Leak was the only stop leak that would not void the warranty on Cat engines (or so the mechanics told me)

I have used Bars Leak in an emergency where there was no other option and had no problems later on. I tend to keep my vehicles a loooooong, loooooooooong time so I would know of a blockage problem.
 
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Old Sep 10, 2008 | 07:52 PM
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Thanks for the help!
I hadn't thought about the other systems it would effect. I have replaced my heater core and radiator within the last 5,000 miles. I was afraid I would blow out a gasket piece while driving down the road. I will take Dave's advice and carry several gallons of distilled water with me. Again, thanks for all the help. Stephen
 
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Old Sep 11, 2008 | 07:08 AM
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From: Sweet Home, OR
I've used various "stop leak" stuff on the crap I HAD to drive in High School and College but I didn't hold those cars in high regard.
I wouldn't do that to anything I own now.
Those other vehicles I had were so problematic you wouldn't have been able to blame anything for had caused the next problem down the line.
 
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