Date: Sat, 21 Apr 2001 23:44:31 +0100 From: Paul Halliday <paul.hallidaynopsamin.net> Subject: Re: '88 9kT Whistles above 75 MPH
My 1988 900T whistles at higher speeds - just had a wonderful 120mph back from Liverpool :). I have a hole in my exhaust manifold. Does yours "cough" when you rev it? Mine gives a sort of "fwop fwop" noise when a hard rev is slowing down. in article 3ae0c261.165231046nopsam.fuse.net, cs at chris_stegemannopsamdnet.att.net wrote on 21/04/2001 00:12: > What would make my 9kT produce whistling sound (hear it as you pass > unders signs & bridges) at or above 75MPH? > > I'm not sure if there is any connection, but periodically, I'll get > only 1/2 boost. The hooter valve was replaced, it was a slight > improvement (i.e. frequency wise) but did not change this problem. > > I know it needs a new air mass meter, too. > > Other than that, it runs hard. It has been chipped since almost new, > and it is run up over 100 every day. > > Any thoughts?
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