5.0L General Discussion This section is for non-tech specific information pertaining to 5.0L Mustangs.

Header Fasteners

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Old Aug 20, 2013 | 08:21 AM
  #11  
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Duncan_GT
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From: Indy
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Originally Posted by tinman
I always use the silver stuff that Permatex sells.....
Yep, I've got a tube of it
Old Sep 16, 2013 | 02:54 PM
  #12  
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tohoopty
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From: point pleasant,west virginia
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i used mr gasket header bolts.i ended up grinding the box end of a old 7/16ths wrench down to clear the header tubes.i tightened them down as tight as i could go and they never did come loose on me.
Old Sep 29, 2013 | 01:01 AM
  #13  
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bruehlc
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From: Utah
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so should you use antiseize on e7te heads too. I was thinking blue loctite but not quite sure. I had headers in the past with none that came loose and I was forced to use the stage 8 bolts.
Old Sep 29, 2013 | 05:26 AM
  #14  
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dawson1112
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Originally Posted by bruehlc
so should you use antiseize on e7te heads too. I was thinking blue loctite but not quite sure. I had headers in the past with none that came loose and I was forced to use the stage 8 bolts.
I wouldn't recommend Loctite on header bolts be cause it is useless.

The Loctite will just burn off . Anti seize is a good idea on any thing that gets hot like that , but it is a must any time you introduce steel bolts to an aluminum bolt hole, such as aluminum heads. More times than not if no anti seize is used , when you remove the steel bolts it will take the aluminum threads with it or it will be so seized up the bolt will break.
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