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Hot Rods Sanderson header gaskets

Discussion in 'The Hokey Ass Message Board' started by 65gregg, Dec 1, 2014.

  1. Sanderson recommends using Permatex Ultra Black instead of gaskets, did it work for you? I'm about to change my Hooker long tubes for a set of Sanderson's on my C10 and feel there are too many things in the way to get the headers in place without smearing the Permatex and messing up the gasket bead. I really considering regular gaskets but want advice from someone that's already been down this road, thanks.
     
  2. neverdun
    Joined: Oct 17, 2007
    Posts: 677

    neverdun
    ALLIANCE MEMBER
    1. Maryland HAMBers

    I used permatex high heat copper on mine. Lay a 1/4" bead on the flange and let it set up for 30 minutes then install. It worked for me. The hardest part is not knocking it off. With a roadster its not that difficult. Good luck with your truck.

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  3. rsluggoboy
    Joined: Nov 1, 2009
    Posts: 104

    rsluggoboy
    Member
    from SALINAS CA

    Permatex worked fine for me.
     
    Work In Progress likes this.
  4. Thaplumbr
    Joined: May 7, 2012
    Posts: 119

    Thaplumbr
    Member

    Worked great on my flathead!


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  5. Works good 4 me also.
    1 trick I've done over the years is cut a slice in the flange between the ports.
    Let's the flange expand and contract without pullin on the header bolts.
    Just my 2 cents
     
    Flathead Dave likes this.
  6. olscrounger
    Joined: Feb 23, 2008
    Posts: 3,894

    olscrounger
    ALLIANCE MEMBER

    Have used 5 or 6 sets on 40's-per instructions used the permatex--let it set for a few hrs and installed--no leaks
     
  7. Boones
    Joined: Mar 4, 2001
    Posts: 9,560

    Boones
    Member
    from Kent, Wa

    have had several Sanderson, never used a gasket
     
  8. JoeyP.
    Joined: May 19, 2013
    Posts: 159

    JoeyP.
    Member

    I used Permatex black as well, no issues. I let it set up and dry real good before I installed mine. Also every so often I put a wrench on all the header bolt just to make sure they are snug.
     
  9. Installed mine, using the Black Permatex, been on there for four years no leaks.
     
  10. Thanks for all of the responses. You guys have just made a lot of work for me, I'll just have to take more stuff off to get it out of the way, LOL.
     
  11. CamSweet
    Joined: Sep 11, 2009
    Posts: 24

    CamSweet
    Member

    I've put sanderson block huggers on my 350, a few different times and havn't found the secret to keeep them from leaking. Thought about swapping to a differrent manufacturer...

    Sent from my SCH-I535 using The H.A.M.B. mobile app
     
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  12. Blue One
    Joined: Feb 6, 2010
    Posts: 10,578

    Blue One
    ALLIANCE MEMBER
    from Alberta

    loudbang and Bandit Billy like this.
  13. I use the Permatex Copper-clean the flange-apply a nice bead of the dope and I let it sit overnight. No mess-no leaks-no issues.
     
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  14. dan r brooks
    Joined: Sep 15, 2007
    Posts: 29

    dan r brooks
    Member

    I agree with blue one if you do not want a header leak use reflex gaskets on both the collector and at the head more money but are worth it
     
  15. gimpyshotrods
    Joined: May 20, 2009
    Posts: 17,377

    gimpyshotrods
    ALLIANCE MEMBER

    Yes, worked just fine.
     
  16. jaw22w
    Joined: Mar 2, 2013
    Posts: 1,035

    jaw22w
    Member
    from Indiana

    About 1/8" bead. Let the Permatex completely cure over night. Then no worries about smearing it all over the place. I just did this 2 days ago. Exactly according to Sanderson headers instructions. The ones I did 2 days ago were not Sanderson. But I put the Permatex on the heads.
     
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  17. Flathead Dave
    Joined: Mar 21, 2014
    Posts: 2,911

    Flathead Dave
    ALLIANCE MEMBER
    from So. Cal.

    You can warp sanderson headers if you use a gasket set. Always use permatex.

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  18. kasselyn29
    Joined: Dec 18, 2009
    Posts: 211

    kasselyn29
    Member

    You can use clear GE silicone on them don't need all that fancy stuff. We prefer black on our repairs blends in better. Nothing looks more amateurish than that blue or copper silicone crap all over the place.
     
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  19. Like Brian (Racer X) here on the HAMB , I change my zoomies out for my street friendly pipes many times during the season. So with that being said, I use the extreme header gaskets from Speedway, no leaks and the gaskets are re-usable .
     
    loudbang likes this.
  20. uncleandy 65
    Joined: Jan 14, 2013
    Posts: 3,008

    uncleandy 65
    Member

    If I recall my Sanderson headers came with gaskets. Not real happy with the headers themselves. After 150 miles they started looking real dull and colored. looks like a real cheap coating was applied. They wanted me to take them off and send them back, that's all well and good but what do I use for exhaust till I get them back.
     
  21. greg32
    Joined: Jun 21, 2007
    Posts: 2,043

    greg32
    Member
    from lemont,IL

    mad mikey likes this.
  22. Follow the instructions. Be sure to let the sealer set up.
     

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