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Thread: this lovely sound

  1. #51
    Senior Member smallclone's Avatar
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    Quote Originally Posted by DMC-81 View Post
    Yes, I believe the cat is really in the way to get to the bottom...

    didnt have to remove the cat, used 1/4 drive and some creativity and was able to pull it without having to remove the cat, but i did at least need to unbolt it to give some play in the crossover to get the manifold to give.

    this time two gaskets were upside down!! epic win!

    IMG_9016.jpg
    Last edited by smallclone; 06-02-2018 at 02:01 PM.

  2. #52
    Senior Member DMC-81's Avatar
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    Quote Originally Posted by smallclone View Post
    didnt have to remove the cat, used 1/4 drive and some creativity and was able to pull it without having to remove the cat, but i did at least need to unbolt it to give some play in the crossover to get the manifold to give.

    this time two gaskets were upside down!! epic win!

    IMG_9016.jpg
    Nice! Hopefully that fixes the noise.
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

  3. #53
    Senior Member smallclone's Avatar
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    Quote Originally Posted by DMC-81 View Post
    Nice! Hopefully that fixes the noise.
    thanks I hope so too, ill know tonight.

  4. #54
    Senior Member smallclone's Avatar
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    ANNNNNND.. no. that didnt work. it altered the sound tho. its seems to be coming from the very top back of the intake manifold which is really off. i give up. its going to the shop in the morning.

  5. #55
    Senior Member DMC-81's Avatar
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    Well, that must be frustrating. Although, fixing 3 upside down manifold gaskets was not wasted effort. You should feel the difference driving it afterward.

    Because of the estimated location of the residual noise and what you found with the exhaust gaskets, I wonder how the 2 crossover pipe-to-manifold gaskets, the cat-to-crossover pipe gasket, and the condition of the flanges were? There should be 2 metal ones and a fiber one there. Were they present and relatively new as well?
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

  6. #56
    Senior Member smallclone's Avatar
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    Quote Originally Posted by DMC-81 View Post
    Well, that must be frustrating. Although, fixing 3 upside down manifold gaskets was not wasted effort. You should feel the difference driving it afterward.

    Because of the estimated location of the residual noise and what you found with the exhaust gaskets, I wonder how the 2 crossover pipe-to-manifold gaskets, the cat-to-crossover pipe gasket, and the condition of the flanges were? There should be 2 metal ones and a fiber one there. Were they present and relatively new as well?
    they were there, i replaced them too.

  7. #57
    Senior Member smallclone's Avatar
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    IMG_9071.jpg

    look what it was. look how cute this is. all cracked

  8. #58
    Senior Member DMC-81's Avatar
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    Quote Originally Posted by smallclone View Post
    IMG_9071.jpg

    look what it was. look how cute this is. all cracked
    Wow! That certainly wouldn't be have been good. Were you also feeling vibrations? I would also check for any cracking around the crankshaft area. Also, it is a prime time to replace the rear main seal. Rob Grady has a good one that incorporates ribbing.

    Glad that you found it.
    Dana

    1981 DeLorean DMC-12 (5 Speed, Gas Flap, Black Interior, Windshield Antenna, Dark Gray)
    Restored as "mostly correct, but with flaws corrected". Pictures and comments of my restoration are in the albums section on my profile.
    2006 Dodge Magnum R/T (D/D)
    2010 Camaro SS (Transformers Edition)

  9. #59
    Senior Member smallclone's Avatar
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    Quote Originally Posted by DMC-81 View Post
    Wow! That certainly wouldn't be have been good. Were you also feeling vibrations? I would also check for any cracking around the crankshaft area. Also, it is a prime time to replace the rear main seal. Rob Grady has a good one that incorporates ribbing.

    Glad that you found it.
    no vibrations but didn't really drive it.

    yup rear main seal from Rob is going to be put in.

    Rob was the one that said it was flex plate and he wasn't wrong.

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