Thead sealer
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Thead sealer

  1. #1
    rollin in the desert Bigern's Avatar
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    Default Thread sealer engine head bolts

    What do you guys use for head bolts? ARP, Permatex, GM can't remember the p/n?
    Last edited by Bigern; 04-15-2008 at 11:23 AM.

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  3. #2
    JetBoat Marine Parts&Svc jetboatperformance's Avatar
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    Default sealer

    Ernie ,we use Dap clear silicone (hdwr store)

  4. #3
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    When I assembled my engine, I used ARP head bolts and they spec the torque based on using thier assembly lube or sealer. Therefore I used the ARP sealer. (Using a different lube or sealer will result in different clamping force for the same torque reading.)

    On stock bolts I usually use the blue silicon.

    Doug

  5. #4
    Senior Member Constant840's Avatar
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    I used black permatex gasket maker.... on just about everything.

  6. #5
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    Thread sealant (pipe dope) with teflon or the ARP sealer work well and both have some lubricity to them. That is important!

  7. #6
    Super Moderator HammerDown's Avatar
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    Quote Originally Posted by Warp Speed View Post
    Thread sealant (pipe dope) with teflon or the ARP sealer work well and both have some lubricity to them. That is important!
    Same as above, teflon pipe dope.
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

  8. #7
    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Either Silicone RTV or Rectorseal #7 pipe thread dope.
    Last edited by SmokinLowriderSS; 04-15-2008 at 07:50 PM. Reason: syntax
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  9. #8
    Senior Member Ken F's Avatar
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    Quote Originally Posted by SmokinLowriderSS View Post
    Either Silicone RTV or Rectorseal #7 pipe thread dope.

    Ahhhhh....good ol rectumseal!

  10. #9
    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    Permatex thread sealer
    G H E T T O F O E L I F E
    Quote Originally Posted by cave View Post
    They bout shit themselves when yelled in Messican, "No brakes no brakes."
    I showed them all the sticker on the side that reads "Driver Ricky Bobby" They just looked at me and nodded yes yes
    Quote Originally Posted by Kyle View Post
    Some peeps just build it 1 part, 1 week, 1 paycheck at a time

  11. #10
    Senior Member miketeast's Avatar
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    anyone ever use Hylomar HPF? It is like blue silicone but never hardens. Not affected by anything that i know of. Will stop up an oil screen if you are fool enough to glob it.

    No, i dont have personal experience stopping up oil screens but i read about it and believe it.

    Put on bolts in the bilge it will protect from contstant submergence in salt water. I use it outside and in.

    Put sparingly on paper gaskets it makes them reuseable

    I have used it on my SBC for headbolt thread seal, On the lead end only...rest of the bolt moly.

    Used it sparingly on cork gaskets. Worked well

    I use it to lead the antisiezed bolts on the loader and intake.



    I have never seen it recommended for anything. All i know is that it doesnt seem to be affected by anything...sort of like LDPE but heat stable.

    anyone ever used this stuff?
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  12. #11
    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    Quote Originally Posted by miketeast View Post
    anyone ever use Hylomar HPF? It is like blue silicone but never hardens. Not affected by anything that i know of. Will stop up an oil screen if you are fool enough to glob it.

    No, i dont have personal experience stopping up oil screens but i read about it and believe it.

    Put on bolts in the bilge it will protect from contstant submergence in salt water. I use it outside and in.

    Put sparingly on paper gaskets it makes them reuseable

    I have used it on my SBC for headbolt thread seal, On the lead end only...rest of the bolt moly.

    Used it sparingly on cork gaskets. Worked well

    I use it to lead the antisiezed bolts on the loader and intake.



    I have never seen it recommended for anything. All i know is that it doesnt seem to be affected by anything...sort of like LDPE but heat stable.

    anyone ever used this stuff?

    I sell it but have never used it................
    G H E T T O F O E L I F E
    Quote Originally Posted by cave View Post
    They bout shit themselves when yelled in Messican, "No brakes no brakes."
    I showed them all the sticker on the side that reads "Driver Ricky Bobby" They just looked at me and nodded yes yes
    Quote Originally Posted by Kyle View Post
    Some peeps just build it 1 part, 1 week, 1 paycheck at a time

  13. #12
    Senior Member widowmaker's Avatar
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    I wouldn't use silicone for this application... just my preference ... Silicone just mucks things up and the excess ends up in places where it shouldn't be, also silicone does not allow for proper torque to be applied to head bolts

    Loctite 542 or 567. This stuff is made for specific applications like these. Both of this items provide sealing properties as well as anti galling agents to enable correct torque values to be applied especially when dealing with head bolts.

    http://68.72.74.113/PRODUCTS/542.htm

    http://68.72.74.113/PRODUCTS/567.htm

  14. #13
    Super Moderator HammerDown's Avatar
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    Quote Originally Posted by miketeast View Post
    anyone ever use Hylomar HPF? It is like blue silicone but never hardens. Not affected by anything that i know of. Will stop up an oil screen if you are fool enough to glob it.
    ...



    anyone ever used this stuff?
    I use it all the time for Harley applications. Rocker Box gaskets, cylinder base gaskets, carb intake gaskets, oil pump gaskets, drivers ass gaskets.
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

  15. #14
    Senior Member miketeast's Avatar
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    Quote Originally Posted by widowmaker View Post
    I wouldn't use silicone for this application... just my preference ... Silicone just mucks things up and the excess ends up in places where it shouldn't be, also silicone does not allow for proper torque to be applied to head bolts

    Loctite 542 or 567. This stuff is made for specific applications like these. Both of this items provide sealing properties as well as anti galling agents to enable correct torque values to be applied especially when dealing with head bolts.

    http://68.72.74.113/PRODUCTS/542.htm

    http://68.72.74.113/PRODUCTS/567.htm
    this is not silicone. It 'sort of' has the consistancy of blue RTV before the RTV starts to set. None of the acetic acid smell. It never changes...never. Wierd stuff, for sure, but it has its uses. I never heard of anyone putting it on headbolts either and i'm sure if i ask ARP they would have said 'warranty void'. Course they would say the same about the tungsten disulphide that i use.

    I got the idea because i wanted the headbolts to seal but i did not trust the properties of the teflon stuff. So, i used the hylomar on just the lead threads, and the moly for the rest.

    I remember taking apart a 454 that someone had siliconed the bolts in.....95lbs torque all the way out, and they were rusted where they penetrated the water jacket. I dont like silicone... Nowhere...but...i have used it in a pinch.

    let me take that back....i use high temp silicone on my headers. The copper stuff... i have Stahl pattern headers and a regluar head...with them adapters....the silicone allows a very tight fit and takes the punishment very well. There is still some in the exhaust when i take them apart for inspection.

    Hammer: Drivers ass gakset? WTF? Philly thing?
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