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"Ticking" gets louder with headers?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Hard Luck, May 10, 2012.

  1. May 10, 2012 at 7:53 AM
    #1
    Hard Luck

    Hard Luck [OP] Active Member

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    I know what everyone is thinking, "Another thread on ticking??"

    Before I installed my JBA shorty headers the ticking wasnt that bad. After, it is pretty loud. First I thought I just had an exhaust leak, I took my truck to 3 different exhaust shops and none of them could find a leak. My only idea is that the headers are thinner than the stock exhaust manifold and maybe wrapping them in fiberglass exhaust wrap will fix it..?.? Before I go through the trouble of doing this I was wondering if anyone had any other ideas?
     
  2. May 10, 2012 at 8:04 AM
    #2
    Ridgerunner

    Ridgerunner Well-Known Member

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    I know in the olden days when I wasn't olden, the old v8 hotrods with headers had that 'tick' because you were hearing each cylinder's exhaust pulse bangin out of the exhaust ports of the heads. Yeah it's the thinness of the steel headers as opposed to the cast iron manifolds
     
  3. May 10, 2012 at 9:15 AM
    #3
    fixer5000

    fixer5000 the logical one

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    what do you think its for?? id try wrapping them up if its driving you crazy...why not?
     
  4. May 10, 2012 at 9:52 AM
    #4
    skytower

    skytower Well-Known Member

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    Wrapping some headers voids the warranty. This is usually true with steel headers since the wrap holds moisture, increasing rusting.

    I suspect wrapping will reduce the noise. Insulation works for slowing heat and sound transfer with most insulation materials.
     
  5. May 10, 2012 at 10:50 AM
    #5
    aficianado

    aficianado Well-Known Member

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    how did the shops look for an exhaust leak? in my hot rod days,,if i got a loud ticking, i would take the headers off and simply redo it.

    hard to mistake an exhaust leak tick.
     
  6. May 10, 2012 at 10:55 AM
    #6
    jd1986s

    jd1986s Active Member

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    To address that moisture issue, a lot of people (including myself) spray on a high-temp silicone coating over top of the exhaust heat-wrap. It will make your headers matte-black but it helps hold the wrap on for long-term and also is supposed to help get rid of that moisture issue; this is the kit I used for my motorcycle headers and mid-pipe ---
    http://www.amazon.com/010330-Motorcycle-Exhaust-Pipe-Wrap/dp/B002FDEJ3Y
     
  7. May 10, 2012 at 11:15 AM
    #7
    Amo-cat3

    Amo-cat3 Wizard Sleeve Master

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    my ticking got louder after i put my doug thorley longtubes on.
     
  8. May 10, 2012 at 11:36 AM
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    skytower

    skytower Well-Known Member

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    Nice! Didn't know there was a cure.
     
  9. May 10, 2012 at 3:46 PM
    #9
    Hard Luck

    Hard Luck [OP] Active Member

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    They just felt around all the welds and the flange of the headers to feel for air??? they also looked for black marks to show that there is a leak, they used mirrors to check the tops. I didnt think it was a leak but the Toyota Dealer said that, that is what it sounds like to him??:notsure:... I think Im going to wrap them and see if that helps..
     
  10. May 11, 2012 at 7:19 AM
    #10
    jd1986s

    jd1986s Active Member

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    Yeah, just make sure you do a few coats to seal it up nicely, it goes on just like spray paint pretty much.

    If you see black marks on the headers or exhaust ports on the heads, that's a sure sign that you have an exhaust leak. The welds shouldn't be leaking unless the headers are an ebay special; I'd just try loosening all the manifold nuts and re-torquing them again and see if it changes; if not, you're probably going to just have to live with the louder ticking
     
  11. May 11, 2012 at 10:28 AM
    #11
    Amo-cat3

    Amo-cat3 Wizard Sleeve Master

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    Taking off your header and wrapping them and spraying them is a little overkill in my opinion. Yes the tick is irritating, but isn't that bad when driving out in the open, it's only when your next to a wall or driving through alley or in the garage. I had a hard enough time installing the headers as is, if you wrap them they will be bulky and you may have fitment issues when reinstalling them. Just my .02 cents.
     
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