LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related
View Poll Results: What do you use on your header bolts?
Blue Threadlock
2
18.18%
Antiseize
9
81.82%
Voters: 11. You may not vote on this poll

Blue threadlock or anitseize on header bolts?

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Old 02-06-2008, 06:08 PM
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Blue threadlock or anitseize on header bolts?

Does it even make a difference?
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Old 02-06-2008, 06:13 PM
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I don't think it makes a difference. There is high temp red threadlocker, but I'm not sure if you want to use that anyway.
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Old 02-06-2008, 06:26 PM
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The threadlocker is not a good route to go, and it wont withstand the heat anyhow. You could use a dab of anitseize, but that isn't going to prevent the bolts from loosening up if that is your intention.
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Old 02-06-2008, 06:28 PM
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My intention is to keep the stainless steel bolts from reacting with the aluminum in the head and seizing, ruining the bolts and threads.
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Old 02-06-2008, 06:31 PM
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Originally Posted by ssbowtie1
My intention is to keep the stainless steel bolts from reacting with the aluminum in the head and seizing, ruining the bolts and threads.
The antiseize will take care of that then.
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Old 02-06-2008, 07:52 PM
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I used some anti seize.
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Old 02-06-2008, 08:39 PM
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don't use anything. as long as the header bolt you have is a quality bolt you will have no problems.

Last edited by SS RRR; 02-06-2008 at 08:45 PM.
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Old 02-06-2008, 11:53 PM
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Originally Posted by SS RRR
don't use anything. as long as the header bolt you have is a quality bolt you will have no problems.
I known plus the antiseize bottle is like $3 bucks I could save
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Old 02-07-2008, 12:37 AM
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Just buy one of the little 1$ pouches they sell
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Old 02-07-2008, 12:41 AM
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Originally Posted by blwnlt4
Just buy one of the little 1$ pouches they sell
naa I have a big tube of it. I was just razzing SS RRR from another thread.
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Old 02-07-2008, 02:30 AM
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Originally Posted by ssbowtie1
naa I have a big tube of it. I was just razzing SS RRR from another thread.
I've seen a few people with the same, "it's only a few dollars more and it's the right thing to do..." bite them straight in the *** to the point of having to abandon their project which included selling their car. If it works for you, cool beans. I just like offering an alternative.
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Old 02-07-2008, 04:44 AM
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Use antiseize.

Rich
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Old 02-07-2008, 10:08 AM
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ssbowtie1:

ss bolts won't react with the Al. To prevent galling use some molylube. Or use the Permatex #101BR "ultra Copper" high temp silicone ... it will lube the threads and act as a mild anti-vibration thread-locker.
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Old 02-07-2008, 02:30 PM
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SS and aluminum are fine together IF there is no catalyst present. For example, in the marine world, 304 SS is used often with aluminum parts on outboards but get galvanic corrosion due to the presence of salt water and oxygen. Fresh water boats suffer as well but not as bad due to the lack of salt. On a header bolt, if there is that much water present, you have bigger problems to worry about
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Old 02-07-2008, 04:21 PM
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Interesting that of the factory manuals from 93-96, only 1995 says to use an "adhesive" on the bolts. The other years don't say anything about it. 1995 says count up 3 threads (they stay dry) from the end of the bolt and apply a 1/4" band. The type of adhesive is not stated.

I guess the controversy continues...



FWIW, antiseize should not hurt anything as long as your bolts are staying tight. That should help ease bolt breakage problems (which may be the biggest complaint).
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