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Thread: Td5 Exhaust Manifold..

  1. 22nd August 2019, 09:58 AM #41
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    Noisy
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    Quote Originally Posted by Tinggu View Post
    My manifold has been whistling for untold 10s of 1000s of ks. What is the worst scenario for doing nothing?
    Thanks....not looking forward to it.
    you would loose a bit of pressure before it had a chance to hit the turbo, so less power, less power would mean more right foot, more right foot equals more fuel. Not talking a great deal but "could" be noticeable. Mine is currently leaking and has be the whole time i have owned the car, it is on my to do list.
    2000 Discovery 2 td5 Auto (Sandy)
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  2. 22nd August 2019, 10:43 AM #42
    Tinggu
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    Thanks Noisy,
    She seems to go like the clappers. Enough for me. If there is no damage being done I'll keep my cash im my pocket for more dire stuff.
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  3. 22nd August 2019, 06:04 PM #43
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    Quote Originally Posted by barney View Post
    stay away from stainless steel for an exhaust manifold. it will crack.
    Stainless doesn't like to be continually heated and cooled and will work-harden.
    Mine repeatedly cracked at the head flange and then one day completely broke off at the turbo end.
    It was a good quality unit but not meant for long term use, more for racing.
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    Bugger.
    Nice merge collector, too.
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  4. 22nd August 2019, 07:20 PM #44
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    Quote Originally Posted by Tinggu View Post
    Thanks Noisy,
    She seems to go like the clappers. Enough for me. If there is no damage being done I'll keep my cash im my pocket for more dire stuff.
    That’s the attitude that will cost you more in the long run! Td5 Exhaust Manifold..
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  5. 22nd August 2019, 09:17 PM #45
    Tinggu
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    Fair comment Tombie but that was why I asked the question. What damage? I would like to know!
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  6. 23rd August 2019, 10:20 AM #46
    twr7cx
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    Quote Originally Posted by Tinggu View Post
    What damage? I would like to know!
    Hot exhaust gases exit the engine and travel through the exhaust manifold. They can be up to 800*C hot. If it’s leaking then these hot gases are now escaping into your engine bay where they’re not meant to be. Doesn’t seem like a great idea or a recipe for long term reliability...
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