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Thread Sealant for Manifold Studs

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Osage_Orange View Drop Down
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    Posted: 27 Jun 2011 at 8:31am
Looking for recommendations on whether or not to use Loctite or Permatex or ? on the portion of the stud that screws the block? 
Why is there never time to do it right the first time, but always time to go back and fix it?
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GlenninPA View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GlenninPA Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2011 at 10:27am
Old manifold bolts are hard enough to get out. Use anti-seize.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Skyhighballoon(MO) Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2011 at 12:45pm
If the manifold bolt goes into the water jacket you'll need something like permatex to seal it for coolant leaks.  I used this on my WD45 head when I had to put a helicoil in for the front bolt and it went into the water jacket.  If it's regular hole, I agree with  Glenn and I used anti-seize.  Mike
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2011 at 1:09pm
You could use white lead, or teflon sealant in through bolts, both are good sealants as well as lubricant. Teflon comes in a brush on paste like the white lead or could use the teflon tape also.
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Brian G. NY View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian G.  NY Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2011 at 6:42pm
Permatex #2 for that application.
Its been around for years and it still works good!!
JMHO!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jun 2011 at 7:11pm
GM uses teflon pipe paste on engines that have head or other bolts that go into water jackets. Its pretty much the same stuff plumbers use. Use anti seize on dry bolt holes.
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