JMB RetrofitsBadger5
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  1. #1
    andysAko4's Avatar
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    THS Exhaust Manifold -ever fitted one ?

    Jst got my new manifold and tired fitting it yesterday.Ok up to putting nuts back on along the top and no room the put the nuts on !!.After alittle got some on but unable to tighten up. Any ideas any one pls

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  3. #2
    Broken Byzan's Avatar
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    I removed the studs from the head and used socket head cap screws(m8 x 40 iirc ) and installed most of them into the mani before attempting to fit it. I then used a long ball ended 6mm allen key with additional lever handle to get them tight

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    "Stick a V8 in it!"

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    The only problem with that is that your torqueing the bolts up against an alloy head...

    Your at more of a risk of ripping the threads out the head than using studs.

    I suspect you'll need to modify some spanners or something to get into them.

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  5. #4
    Broken Byzan's Avatar
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    Will not get a spanner in there, i tried all sorts 1/4 dr sockets are too big even. Using the allen bolts is a common mod but as stated care must be taken. It why the length is important, any longer bottoms out, and any shorter may strip the threads

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    2000 a4 1.8tqs-yellow

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    surely that is very bad design if you cant bolt it on properly?

  7. #6
    Broken Byzan's Avatar
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    Seems to be par for the course in the cast K03/4 manis

  8. #7
    andysAko4's Avatar
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    Thks Mark,a fountain of knowlwedge,what would we do without you ....Did you use the washers with the bolts when fitting? I was expecting to have to make a tool or socket.
    I have pm THS about this. Ill post their reply when I get it.
    Should be interesting.

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    Broken Byzan's Avatar
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    I used the Thick washers i think as the first lot of bolts i had were slightly longer so i used the thick washers, i have got pics somewhere......

  10. #9
    Broken Byzan's Avatar
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    Best i could find



  11. #10
    jcb
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    goose neck open ended spanner

  12. #11
    Broken Byzan's Avatar
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    it works on the top nuts, not on those damned lower ones..... GGGRRRR

  13. #12
    andysAko4's Avatar
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    This is reply I got from THS , Not sure about filing though LOLl

    It should be possible to fit without removal of the head. You may find it easier to use a spanner rather than a socket on some of the nuts. Are you sure that the manifold is located true on the head. We had one customer mention that the top of the manifold flange just came into contact with the top of the head casting and he had to file a small piece of the top of the manifold.

    Hope this helps

 

 

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