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  1. #1
    S3-Oski's Avatar
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    Hot under the bonnet

    Hi is it normal if having driven the car hard for it be very hot under the bonnet, like where the strutbrace is to hot to touch? As thats what mine was like today, just curious as it seemed very hot, cheers OSKI
    2001, Ming Blue, Aluminium Mirrors, Revo!, Bose, Parking sensors, Sunroof,

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  3. #2
    s3_kev's Avatar
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    yep the turbo lives just below the strut brace so id expect it to be really hot after a burn

  4. #3
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    stays hot for ages too... If you open the bonnet at night after some spirited driving, you can see the exhaust manifold glowing red hot too....
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  5. #4
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    The ventilation in the front is just 50% open i have opend mine 100%...
    Last edited by S3APY; 15th May 2009 at 22:49.
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  6. #5
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    Quote Originally Posted by S3APY View Post
    The ventelation in the front is just 50% open i have opend mine 100%...
    How do you do this?

    I guess this is what heatsoak is?

  7. #6
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    its clost behind the S3 emblem. I used a power tool...
    Last edited by S3APY; 15th May 2009 at 23:01.
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  8. #7
    Dennis Moeller's Avatar
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    Any pic's? Did it help reduce heat and did you do it mainly to cool down intake?
    My old car.. Still miss the lil rocket :-)

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  9. #8
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    yes you hit it spot on... You will see the closed thing when you stick your head inn inn daylight i think its a good thingeling to do... More power more heat...
    Last edited by S3APY; 17th May 2009 at 20:43.
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  10. #9
    Dennis Moeller's Avatar
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    Yeah I heard a chap talked about it a couple of weeks ago, he also did it to reduce heat at the air-intake manifold. I'm fitting a FMIC soon and maybe a BMC CDA so I'm gonna tear apart the entire front anyway. WILL strip all unnessecary plastic
    My old car.. Still miss the lil rocket :-)

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  11. #10
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    we shuld talk Norwegian i live in Vest-Agder...
    Last edited by S3APY; 16th May 2009 at 12:28.
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  12. #11
    S3-Oski's Avatar
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    Quote Originally Posted by s3_kev View Post
    yep the turbo lives just below the strut brace so id expect it to be really hot after a burn
    Cool yeah i undertsand the turbo is just there, i could not belive the heat what was coming from the engine when i popped the bonnet, and that strutbrace was too hot to touch and took so long to cool down, i was just curious as if it was totally normal, i supose with a remap too the turbo is working harder therfore gives off more heat,
    2001, Ming Blue, Aluminium Mirrors, Revo!, Bose, Parking sensors, Sunroof,

  13. #12
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    be careful not to touch the exhaust after a run as that might be hot as well...

  14. #13
    S3-Oski's Avatar
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    Quote Originally Posted by voorhees View Post
    be careful not to touch the exhaust after a run as that might be hot as well...
    Lol!, honestly i was really suprised at the heat, almost looked like a little bit of steam was coming off my turbo too? ever so slightly
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  15. #14
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    It will be very hot, even more at this time of the year. You will really feel the heat even on the bonnet.

    And as said above, the turbo is right there underneath, so expect it to be really hot.

    I travelled about 4 miles to a friend's place when we swapped the turbo. After 5 hours, the area around the turbo was still warm...lol
    ^^ In my opinion


  16. #15
    Works 60% the time, Everytime.

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    After a proper drive you can make the turbo glow red hot. So yes I'd expect it to be slighty warm.

    2003 Audi S3 + Go faster bits

  17. #16
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    Here is my custom ventilation...







    Last edited by S3APY; 16th May 2009 at 17:02.
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  18. #17
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    thats one clean rocker cover...........
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  19. #18
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    Thanks...
    Last edited by S3APY; 16th May 2009 at 19:03.
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  20. #19
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    So what you done then. drilled two large holes behind the s3 badge?
    Has it made any difference?
    Whats the engine temp like after a run?
    Driving the most secretive S3 on ASN

  21. #20
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  22. #21
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    good blank for the induction...how come Audi never did that?

  23. #22
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    Mr sarkastic...
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  24. #23
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    Voorhees sarkastic! Noo
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  25. #24
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    S3APY would should be banned from the forum! Thats just PORN pics he posted!

    Love that Engine bay! It's so clean, yet down right dirty!


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  26. #25
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    Thanks man

    I think you get a hoter enginebay with the org Audi induction patent...
    Whay...? You dont get so mutch coold air in to the hard working turbo
    Last edited by S3APY; 17th May 2009 at 19:23.
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  27. #26
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    Quote Originally Posted by Dani_B19 View Post
    So what you done then. drilled two large holes behind the s3 badge?
    Has it made any difference?
    Whats the engine temp like after a run?
    My intake temp in a pull is 8"C higher then the air temp outside. It goes from 29 to 18-20"C.

    Show me your numbers in "C...? Someone...? Its cool to see what you have


    Her is my tool...
    This is only crusig can not take picture stedy on a pull working with the log funchen
    Last edited by S3APY; 19th May 2009 at 22:01.
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  28. #27
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    What is your air intaketemp with a hot enginebay...?
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  29. #28
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    This is my last mod. There is a Water pipe under the intake house and its heating the intakeair not good. I covered it to prevent that. The pink is spot on... And the temp whent down 1"C...
    Last edited by S3APY; 26th May 2009 at 18:52.
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  30. #29
    Dani_B19's Avatar
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    s3apy you have any more close up pictures?
    What you used to cover it with?
    Driving the most secretive S3 on ASN

  31. #30
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    I will post some pictures to morro...
    Last edited by S3APY; 26th May 2009 at 18:33.
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  32. #31
    jojo's Avatar
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    Quote Originally Posted by S3APY View Post
    This is my last mod. There is a vater pipe under the intake house and its heating the intakeair not good. I covered it to prevent that. The pink is spot on... And the temp vent down 1"C...
    Are you German by any chance?



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  33. #32
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    Norwegian sorry to all of you ho hate me for my spelling skills...
    Last edited by S3APY; 27th May 2009 at 18:33.
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  34. #33
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    luck forward to it
    Driving the most secretive S3 on ASN

  35. #34
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    Same stuff as you see on the alu filtercoverplate and you need alu tape to get it perfect... **** off

    Last edited by S3APY; 29th May 2009 at 22:34.
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  36. #35
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