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  1. 23-10-2010, 15:49 #1
    doggydowg22
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    How to make hi pitch chatter?

    Hello all

    Ive had 7 r5 turbos in the past and none of them had the realy hi pithced chirp you hear on rally cars.

    However my new r5 has insane hi pitched chirps Ive had t25s before and my current car has a t25 of some sort.

    What causes this realy lowd hi picthed chirp is it all in the type of turbo?

    The exhaust is just a run of the mill magnex rear exit 4" and the air filter is a green k&n.

    Could it also be the intercooler as its running a fmi, im sure one of my 5s had a fm of some sort in the past?
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  2. 23-10-2010, 15:51 #2
    J$£5GTT
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    Re: How to make hi pitch chatter?

    i had a very loud chirp in my 5 for a while...lifted the bonnet an a seagull flew out...its a real problem round here...
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  3. 23-10-2010, 16:00 #3
    doggydowg22
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    Re: How to make hi pitch chatter?

    Mine sounds abit more hi picthed then this video ive just found on here.

    http://www.youtube.com/watch?v=vpoSlvNMeyg

    Never heard that kind of noise from any of my r5s,what is the secret
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  4. 23-10-2010, 16:24 #4
    scratcher
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    Re: How to make hi pitch chatter?

    I always thought it was to do with the intake side, ie. filter shape, size, intake hose size, length etc?
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  5. 23-10-2010, 16:29 #5
    Shakes
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    Re: How to make hi pitch chatter?

    my old 5 sounded exactly like that was a jap dump valve i had fitted, cant remember the make but i still have it in work il take a look monday.
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  6. 23-10-2010, 17:20 #6
    MikeA
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    Re: How to make hi pitch chatter?

    Im sure Im showing my inexperience here and going to get slated but is it not just an external waste-gate for the turbo? - Turbos are still a new thing to me
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  7. 23-10-2010, 17:54 #7
    benj88
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    Re: How to make hi pitch chatter?

    Quote Originally Posted by scratcher View Post
    I always thought it was to do with the intake side, ie. filter shape, size, intake hose size, length etc?
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  8. 23-10-2010, 18:02 #8
    doggydowg22
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    Re: How to make hi pitch chatter?

    Just to add I dont have any form of dumpvalve or external westegate.
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  9. 23-10-2010, 18:58 #9
    Biggs
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    Re: How to make hi pitch chatter?

    Fcuk you, thats how !!
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  10. 23-10-2010, 19:02 #10
    jimmy_b
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    Re: How to make hi pitch chatter?

    on low boost i get a really long slow chatter, and on high boost i get a really quick high pitch chatter.

    ive got a vnt turbo running 14-17psi, stainless filter and ali 45deg bend to turbo
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  11. 23-10-2010, 19:12 #11
    Shane P
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    Re: How to make hi pitch chatter?

    I still have the T25 unit from my previous car sitting around somewhere. When you change gear with that fitted it sounds like you are punching a budgie.
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  12. 23-10-2010, 19:28 #12
    5teve L
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    Re: How to make hi pitch chatter?

    My GTT sounds like this at the moment
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  13. 23-10-2010, 22:09 #13
    James5
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    Re: How to make hi pitch chatter?

    Quote Originally Posted by 5teve L View Post
    My GTT sounds like this at the moment

    Yours defo sounds like a cossie and mine to
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  14. 24-10-2010, 00:17 #14
    Jessop
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    Re: How to make hi pitch chatter?

    the audio 90 IMSA GTO race car.. now THAT is chatter !

    http://www.youtube.com/watch?v=ubL6s...eature=related
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  15. 24-10-2010, 00:23 #15
    Brigsy
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    Re: How to make hi pitch chatter?

    90 imsa, possibly the best sounding engine ever imo
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  16. 24-10-2010, 09:01 #16
    rs250nut
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    Re: How to make hi pitch chatter?

    It that a five cylinder motor? My old audi coupe had a five cylinder motor an even without a turbo it sounded the bollocks.
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  17. 24-10-2010, 09:30 #17
    clee
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    Re: How to make hi pitch chatter?

    I had one of those and hanker after another ,5 pot 2.2 sounded great
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  18. 24-10-2010, 10:30 #18
    rs250nut
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    Re: How to make hi pitch chatter?

    Quote Originally Posted by clee View Post
    I had one of those and hanker after another ,5 pot 2.2 sounded great
    Thats the beast, handled amazing in the dry diffrent story in the wet though.
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  19. 24-10-2010, 17:19 #19
    SCHWARTZ
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    Re: How to make hi pitch chatter?

    this is how mine sounds atm
    http://www.youtube.com/watch?v=X-6SguDEwIg
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  20. 24-10-2010, 18:28 #20
    doggydowg22
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    Re: How to make hi pitch chatter?

    You wish ha

    That was one seriously rapid motor!
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  21. 24-10-2010, 19:01 #21
    SCHWARTZ
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    Re: How to make hi pitch chatter?

    Quote Originally Posted by doggydowg22 View Post
    You wish ha

    That was one seriously rapid motor!
    I know it dosnt tho
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  22. 14-11-2010, 09:03 #22
    doggydowg22
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    Re: How to make hi pitch chatter?

    Here is a little video of it chirping ;_) enjoy.

    http://www.youtube.com/watch?v=JxeH6IdPxIg
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  23. 14-11-2010, 09:32 #23
    scratcher
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    Re: How to make hi pitch chatter?

    That sounds cool mate! What did you change to get it sounding higher?
    It sounds just lile mt friend's S15
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  24. 14-11-2010, 09:36 #24
    doggydowg22
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    Re: How to make hi pitch chatter?

    It was like it when I bought it,ive had 7 or 8r5 turbos and none made a noise like that

    All I can think is maybe turbo as its t25 or fmi
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  25. 14-11-2010, 18:16 #25
    Brigsy
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    Re: How to make hi pitch chatter?

    My van sounds exactly the same, ill dig out some vids of it
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