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360 air intake

Discussion in '360/430' started by skar89, Jul 3, 2015.

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  1. skar89

    skar89 Rookie

    Feb 27, 2012
    13
    Spain
    #1 skar89, Jul 3, 2015
    Hi all, im replacing the heat exchanger by removing the air intake and found that mine doesnt have the "trumpets" on top. Am i wrong? Any ideas?

    Thanks in avance.
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  2. hessank

    hessank Formula 3
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    Aug 8, 2005
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    Canada, Florida
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    Fred
    #2 hessank, Jul 3, 2015
    Last edited by a moderator: Sep 7, 2017
    I have no idea what they're supposed to look like, however, here is an engine picture from my files (copied from "Spiderscott" in the UK) a while back.

    Looks similar to yours. Hope this helps
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  3. vrsurgeon

    vrsurgeon F1 World Champ
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    Dec 13, 2009
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    Curt
    #3 vrsurgeon, Jul 3, 2015
    NO big deal IMHO. Just a revised casting looks like to me..
     
  4. hessank

    hessank Formula 3
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    Aug 8, 2005
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    Fred
    #4 hessank, Jul 3, 2015
    Hey Curt, not that it makes a difference, do the other (maybe older/earlier cars) have horns like the F355?
     
  5. mr_bock

    mr_bock Formula 3

    Oct 27, 2006
    1,373
    FL full time
    #5 mr_bock, Jul 5, 2015
    Looks like they machined the 'trumpet' right into the casting. My 2002 BMW M5 has individual, different length plastic horns on each throttle body in the air plenum.

    Interesting.
     
  6. skar89

    skar89 Rookie

    Feb 27, 2012
    13
    Spain
    #6 skar89, Jul 6, 2015
    Last edited by a moderator: Sep 7, 2017
  7. malahhaor

    malahhaor Rookie

    Jul 21, 2014
    2
    #7 malahhaor, Jul 25, 2015
    FYI what you are talking about is called a velocity stack.
    it increases the speed of air going through by compressing it from a larger to a smaller diameter bore thus increasing the velocity. With your setup looks like you partially have that.
    Same principal applies to the exhaust but in reverse. if you increase the diameter of your exhaust too much, the gas slows down as it has room to expand and doesn't leave the system as fast in turn hurting performance.
    Hope that helps
     

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