[ROVERNET - UK] 2000 TC carb needle valves/ MGC

Wed Aug 15 21:19:37 BST 2007

Hi Guys, 
I'm getting in a bit late on this but see if this has been mentioned B4. I
have always heard, and I think Joe Curto was one who said it, that the SU
carbs on Rovers were a bit different than any other SU's. That may be the
reason for the "hinged float" discrepancy. Maybe??
Fritz Rauschenberg
Atlanta

Fritz Rauschenberg
wfritz at mindspring.com
EarthLink Revolves Around You.

> [Original Message]
> From: Slatskars <slatskars at comcast.net>
> To: <rovernet at lyris.ccdata.com>
> Date: 8/15/2007 5:09:56 PM
> Subject: Re: [ROVERNET - UK] 2000 TC carb needle valves/ MGC
>
> Eric,
>
> That picture from the link is of a standard HS type. The float is not
free 
> as in an H or HD type. I will continue my research into this odd
situation 
> of an HS with a free (unattached) float with a couple of local experts.
>
> Slats
> ----- Original Message ----- 
> From: "Eric Russell" <p6rovers at yahoo.com>
> To: <rovernet at lyris.ccdata.com>
> Sent: Wednesday, August 15, 2007 8:16 AM
> Subject: Re: [ROVERNET - UK] 2000 TC carb needle valves/ MGC
>
>
> > Slats,
> > Here is a link to a Rover 2000 SC carb which I had
> > more readily available for a picture.
> >
> > It is an AUD 267
> >
> > Eric
> >
> > Link:  <http://websrus.ca/SU-single-carb.jpg>
> >
> >
> >
> > --- Slatskars <slatskars at comcast.net> wrote:
> >
> >> Thanks Eric,
> >>
> >> That is one that is not in the SU Workshop Manual.
> >> Very strange arrangement,
> >> possible but strange. I will now have to look at an
> >> MGC set up, to see if
> >> they are also different from other HS carbs. We have
> >> a few MGC's in our Club
> >> T-MG group. My curiosity in really up now. I thought
> >> that I had every
> >> configuration available in my fleet.
> >>
> >> Slats
> >> ----- Original Message ----- 
> >> From: "Eric Russell" <p6rovers at yahoo.com>
> >> To: <rovernet at lyris.ccdata.com>
> >> Sent: Tuesday, August 14, 2007 10:39 PM
> >> Subject: Re: [ROVERNET - UK] 2000 TC carb needle
> >> valves/ MGC
> >>
> >>
> >> > Based upon cars I had, cars I dismantled, and
> >> spare
> >> > parts that came with Rover 2000s, I can note that
> >> my
> >> > HS carbs from a Rover 2000 SC had a white nylon
> >> float
> >> > hinged to the top which activated a needle valve
> >> to
> >> > regulate the petrol flow. A piece of metal was
> >> > attached to the float and activated the valve.
> >> >
> >> > My 2000 TC cars with HS 8 carbs had a brass float
> >> > which rose and fell unattached to the top lid.
> >> They
> >> > also had a brass needle.  A piece of metal pivoted
> >> > from the top, was activated by the floating brass
> >> > "float" and the metal in turn operated the brass
> >> > valve.
> >> >
> >> > Eric
> >> >
> >> > --- Slatskars <slatskars at comcast.net> wrote:
> >> >
> >> >> I wonder if you may have the wrong type of float
> >> >> bowl lids on your
> >> >> carburetors. The HS types have a hinged float.
> >> The
> >> >> float chamber also has a
> >> >> small plastic line out of the bottom that is part
> >> of
> >> >> the primary jet
> >> >> assembly. This is the most obvious identification
> >> >> feature of the HS type.
> >> >> Cancel that thought. The HS has three screws
> >> holding
> >> >> on the top, whereas the
> >> >> H and HD are held on with a single banjo fitting
> >> >> down the center. I guess
> >> >> that it would be possible to simply install the
> >> free
> >> >> floating floats from an
> >> >> H or HD into the HS float chamber and substitute
> >> the
> >> >> pivot and needle
> >> >> assembly also, rather than use the proper hinged
> >> >> float. However, I cannot
> >> >> imagine why someone would do that??? If that is
> >> the
> >> >> situation, it should be
> >> >> relatively easy to restore then to the proper HS
> >> >> type of floats and float
> >> >> needle mechanisms.
> >> >>
> >> >> Slats
> >> >> ----- Original Message ----- 
> >> >> From: "Nathan Obuch" <nathanobuch at yahoo.com>
> >> >> To: <rovernet at lyris.ccdata.com>
> >> >> Sent: Tuesday, August 14, 2007 7:22 PM
> >> >> Subject: [ROVERNET - UK] 2000 TC carb needle
> >> valves/
> >> >> MGC
> >> >>
> >> >>
> >> >> > I'm still a bit confused.
> >> >> >
> >> >> > I have looked at the pictures of the HD8s and
> >> can
> >> >> > definitely say that's not what is on my car.
> >> >> >
> >> >> > The picture of HS8s matches what I have on my
> >> car,
> >> >> > which also corellates to the tags on the carbs
> >> >> (AUD
> >> >> > 254 front & rear) as mentioned in the Burlen
> >> fuel
> >> >> > systems page.
> >> >> >
> >> >> > The floats are definitely completely free
> >> floating
> >> >> and
> >> >> > act on a lever which is attached to a pin at
> >> the
> >> >> top
> >> >> > of the float bowl lids.
> >> >> >
> >> >> > I think I might just order the MGC needle
> >> valves
> >> >> and
> >> >> > see what happens. I'm sick of being dinged with
> >> >> > customs processing fees for minor parts orders
> >> >> from
> >> >> > Canada/ overseas...
> >> >> >
> >> >> > Thanks to all who took the time to reply!
> >> >> >
> >> >> > Nathan
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >>
> >> >
> >>
> >
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> >>
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