Fuel line could be the culprit. Remember that at idle the CFM thru the line
is lower and it may be able to maintain pressure but at higher speeds the
CFM will increase and thus if there is a clogged line, pressure will then
drop.
Just a thought,
Jeff
> -----Original Message-----
> From: Gernot Vonhoegen [SMTP:gernot.vonhoegen@stir.ac.uk]
> Sent: Monday, November 02, 1998 11:02 AM
> To: triumphs@autox.team.net; 'bruce.crouter.fi0@govmail.gov.sk.ca'
> Subject: RE: TR6 Keeps Quitting
>
>
> I suspect in your case carb icing. When it does it and you touch the carbs
> are they pretty cold? Does it go away on its own when you leave it for a
> while or when you close the throttle and cruise?
>
> Gernot
>
> > ----------
> > From:
> >
> bruce.crouter.fi0@govmail.gov.sk.ca[SMTP:bruce.crouter.fi0@govmail.gov.sk.
> > ca]
> > Reply To: bruce.crouter.fi0@govmail.gov.sk.ca
> > Sent: Friday, October 30, 1998 4:31 PM
> > To: triumphs@autox.team.net
> > Subject: RE: TR6 Keeps Quitting
> >
> >
> >
> >
> > Hi Everyone,
> >
> > I have been chasing a problem with my 75TR6 for a couple of years. At
> > highway speeds I often lose about 1/3 of my horsepower and can barely
> hold
> > 60
> > MPH with the peddle to the floor. I have a new fuel pump and filter,
> > coil,
> > ignition wires, vacuum lines, etc., and opening the gas cap doesn't
> help.
> > The response below interested me because I suspect my fuel lines but at
> > idle
> > the fuel pressure is above spec. (5 psi if I remember right). Is it
> > possible
> > that I have a partially blocked line that only impacts the fuel pressure
> > at
> > higher levels of fuel flow?
> >
> > Bruce Crouter
> > Saskatchewan, Canada
> >
> >
> > ------------------------------
> >
> > Date: Thu, 29 Oct 1998 15:41:09 -0500
> > From: "Wages, Jeffrey" <bzw8@cdc.gov>
> > Subject: RE: TR6 Keeps Quitting
> >
> >
> > I had almost the identical problem in my TR6 and after much ado it
> > was....drum roll please.
> >
> > A clogged fuel line. The metal line running up the car from the tank
> had
> > more crap in it than I could imagine. Check it out! I replaced mine
> with
> > a
> > "temporary" run of regular fuel line and it ran great.
> >
> > Good luck
> >
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