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F355 front brake ducting measurement?

Discussion in '348/355' started by sambomydog, Jan 21, 2010.

  1. sambomydog

    sambomydog Guest

    May 23, 2009
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    #1 sambomydog, Jan 21, 2010
    Last edited: Jan 21, 2010
    I am about to order some new front brake air ducting for my 355. To save me taking of my wheels right now to measure the ducting diameter. Can any one tell me what it is in mm's to make life easyer for me? Thanks :)
     
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  3. J. Salmon

    J. Salmon F1 Rookie
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  4. sambomydog

    sambomydog Guest

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    #3 sambomydog, Jan 21, 2010
    Last edited: Jan 21, 2010
  5. sambomydog

    sambomydog Guest

    May 23, 2009
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    Removed and measured the duct today, the new one is now on its way. But thank you for trying to help anyway JSalmon, appreciated :)
     
  6. J. Salmon

    J. Salmon F1 Rookie
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    Well, what was it? I remember it being a smidge bigger than a round number, like 3.25 inches or something. That's why I went up in size and squeezed it down. But you should post, you know for when someone has to search in the future :)
     
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  8. sambomydog

    sambomydog Guest

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    #6 sambomydog, Feb 19, 2010
    Last edited by a moderator: Sep 7, 2017
    So i finaly got round to fitting the new air ducts. So i am posting it on here solely for the archives in case some one needs to know, as J Salmon suggested.
    So the dimension of the silicon air tube needed is 80mm's, although the 83mm will also fit easily. The cost of this duct hose is £19 per meter, so thats a saving of approx £400 that you would pay Ferrari for the identical stuff.
    Hope this helps some one.
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  9. angelis

    angelis F1 Veteran
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    Where is the vent for it on the bumper?
     
  10. sambomydog

    sambomydog Guest

    May 23, 2009
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    If you look at the front grill. Its at each end of it, behind it. There is a large opening at each side.
     
  11. angelis

    angelis F1 Veteran
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    Where's the vent for the aircon intake?
     
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  13. sambomydog

    sambomydog Guest

    May 23, 2009
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    So thats two questions you have asked without saying please. I owe you two slaps about your head when i see you (wish we had smug smilies)
     
  14. deanhalter

    deanhalter Formula Junior

    Dec 27, 2008
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    Where did you buy the hose from? I see the link to the eBay seller, but there's is 1 meter length - do they sell longer ducts?

    Thanks
     
  15. sambomydog

    sambomydog Guest

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    #12 sambomydog, Feb 19, 2010
    Last edited: Feb 19, 2010
    I assume come in all lengths mate. I linked to that particular link because a meter was all that was needed for this job. But like i said i assume they do all lengths, its motor sport ducting after all.
     
  16. angelis

    angelis F1 Veteran
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    #13 angelis, Feb 19, 2010
    Last edited by a moderator: Sep 7, 2017
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  17. FCOnyx

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    Reviving this thread for anyone searching 10 years later. Funny enough, I now have J's car and the ducting on each side has shredded at the rotor clamp point so I'm ordering some new stuff. Like everyone here, I checked Ricambi but each hose is $200 (so $400 total since both of mine are blown). BS Ferrari tax, so I'm ordering some silicone ducting from Pegasus. I measured and the vents are just above 3". Around 3.25" ducting would be perfect, but since that's pretty much nonexistent, I'm going with 3.5". It's a bit smaller than what J used, which I think might be better as the shredding occurred right at the clamp points and might have been exacerbated by how much he had to clamp down on the 4" hose. Although, his replacement ducting is almost 10 years old, so it very well could be that it was destined to die by now anyway, but I figure anything to reduce the stress on the tubing will help.

    Getting my ducting here:
    https://www.pegasusautoracing.com/productselection.asp?Product=3621

    3.5" and 3 feet should be more than enough since the actual gap is only about 7 inches... so with flexing during turning 18 inches on each side should be just fine, it looks like that's about what J had on the car previously. It comes out to be about $55 with shipping and tax... much better than $400.

    Hope this helps anyone coming along after me!
     
  18. INTMD8

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  19. 308 GTB

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