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Date: Sun, 22 Apr 2001 00:16:01 GMT
From: chris_stegemannopsamdnet.att.net (cs)
Subject: Re: '88 9kT Whistles above 75 MPH


No, that is not it, in fact, several months back, I had a new exhaust manifold gasket installed -- trust me, the service shop would have loved to have put a new manifold on, but instead, they told me all came off without a problem. On Sat, 21 Apr 2001 23:44:31 +0100, Paul Halliday <paul.hallidaynopsamin.net> wrote: >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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