[ROVERNET - UK] Thanks for the help: SU carbs, stuck clutch.

James Dean jaguru at bellsouth.net
Mon Jul 5 16:04:55 BST 2004

I would like to know why Rovernet does not have a Classified Section. Every other Classic car site has one. It is  an as important part of any organization'sstructure as a discussion forum or a newsletter. Look at Jaglovers, MG A,B,C, Vintage Triumph, and a hundred other sites.I have been watching recent net discussions and needs.Bent upper rear rods- I have a new set with new bushings. Insulated Federal 3500S carb floatbowls, I have a nice pair.
Things that people have not asked about- A new 3500S powersteering pump, I have it; The spacial odd sized factory clips to hold wide chrome mouldings on Federal 3500S, or later UK P6, I have a bag of 1,000.New rubber- I have had P6 rear decker seals, below rear window manufactured.Upper top P6 waist seals, I have had a kit made...cars;..Rover put every option they had on Federal 3500S, and could only sell 2500; all had automatic transmission, bare bones UK 3500S had that failure prone 4 speed. I have sitting iny warehouse a rustfree Palm Beach Federal 3500S with an SD1 5 speed and a rebuilt Rangerover engine and Holley carb. Don't you think someone in the world would like to know about it and buy it? Why in this computer age, does someonehave to deal with worn bushings, or vaporizing carburetors, or have poprivets on their door, because they think there are no more new parts available in the world??..Someone couldbuy my rare car cheaper than they could do that themselves.... And am I the only one person like this??.. No. There needs to be a forum available separate from the discussion to buy and sell..Am I the only one who feels this way??? What do other members feel about this?? What can be done about it?? James Dean, Ft. Lauderdale-jaguru at bellsouth.net
> From: "Slatskars" <slatskars at comcast.net>
> Date: 2004/07/04 Sun PM 11:21:30 EDT
> To: <rovernet at lyris.ccdata.com>
> Subject: Re: [ROVERNET - UK] Thanks for the help: SU carbs, stuck clutch.
> No, there is quite a difference between an HS8 and an HS6. The number refers
> to the size of the diameter on the manifold end of the carb body. The number
> is the number of 1/8 inches over 1 inch. A 6 is 6/8 or !-3/4 inch, an 8 is
> 8/8 or 2 inches in diameter, etc. Jet and needle size would be governed by
> the particular engine specifications. Thus you could have an HS6 in several
> different vehicles with different jets and/or needles. The needles and jets
> can be changed but the bore size of the body is fixed. Normally the larger
> the engine in CC's the larger the bore. For example a MG midget 1275 uses
> HS2, and an MGB 1800 uses HS4, Rover 2000 would use HS6. The Rover 3ltr
> (3000) uses one HD8 in standard configuration. In order to increase the size
> of carburetor, you must also change the intake manifold to match. There are
> four different types of SU carbs. The early H type for Horizontal, the HS
> which is very similar but uses a different type of float and jet
> arrangement, the HD which uses a Diaphragm, and the HIF which uses an
> Internal Float. You can for example interchange between a HS4 and an HIF4
> for a MGB if the linkage will work and the needles and jets are properly
> sized. Hope this helps. This is not rocket science by any means.
> I have been working on an interesting project for a friend who has a late
> 1500 CC MG Midget. We managed to obtain UK spec. SU's for this engine to
> replace the single Zenith/Stromberg. They came complete with the manifolds,
> but the jet assembly is entirely different than any US spec car. It would
> however be a simple matter to change it over to a US spec HS jet assembly.
> The dome and piston are also different, but could be changed over easily.
> The body is the same, which makes for some interchangeability. As in why
> reinvent the wheel?
> SU carbs are quite basic units and pretty good trouble free devices once set
> up properly. Needles are available to give leaner or richer parameters for
> different applications such as high altitude or racing. They are very
> interesting and flexible. Very little to wear except the throttle shaft and
> their bushings.
> Slats
> Vancouver, WA, USA
> ----- Original Message ----- 
> From: "T. Clemen" <tclemen at msn.com>
> To: <rovernet at lyris.ccdata.com>
> Sent: Sunday, July 04, 2004 5:04 PM
> Subject: [ROVERNET - UK] Thanks for the help: SU carbs, stuck clutch.
> > Thanks all, I will keep you posted on what works and how everything turns
> > out.
> > As far as the carbs go; is the only difference between a HS8 and a HS6 the
> > needling and or jet size?  I would like to know if the front float chamber
> > lid is interchangable with another BL auto or if I am stuck repairing the
> > one I have.
> >
> > Thanks again for all the help!
> >
> > Tom C.
> >
> > PS for anyone wondering the Burlen site is "www.burlen.co.uk"
> > this was a great site and very helpful.  Thanks Roar.
> >
> >
> >
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