Joe,
I think you meant to state the HS4's to be 1-1/2" -- which I recently purchased
from a European source. Now, all I need is information regarding where to
purchase the rebuild kits. The carbs have no #'s on them. Any suggestions out
there?
Regards,
Ed Hamilton
Joe Curry wrote:
> Ray,
> I have 1 1/4" SU2's on my 1500 engine. They are on a manifold from a
> 1300. I put them on as a replacement for a Weber DCOE side draft. It
> works fine, but I had to replace the metering needles on mine because the
> curve was inadequate. Depending on what modifications you have on your
> engine, the stock 1300 needles (DD) may work. I am currently running some
> from an MG 1600 engine. They work very vell until I get up in the upper
> RPM range with full throttle. At that point I get a severe fall-off, like
> the engine dies. As soon as I ease off the gas, it picks back up again.
> So I'll have to ask Joe Curto (Mr. SU) what other needles may compensate.
>
> BTW, my engine has high compression pistons and free flow exhaust, which
> requires different jetting from a stock 1500. The European 1500's had dual
> HS4's (1 1/4") and had more HP than the de-tuend US engines.
>
> Hope that helps, Let me know what you do and how it turns out.
>
> Joe
>
> r-james@tamu.edu wrote:
>
> > I am contemplating different carburation on my 1977/78 1500cc
> > Spitfire (presently has the stock Zenith Stromberg).
> > I am very happy with the Weber DGAV downdraft on another
> > car with the 1500 cc engine, so I may go that route. However,
> > I presently have a pair of recently overhauled SU (H2?) carbs
> > from a 1973 1275 cc Midget.
> >
> > 1) Would this carburation be adequate? an improvement? Has anyone
> > on this list done this? What problems arise?
> >
> > 2) Does anyone have an appropriate intake manifold for this engine/
> > carburators that they would part with for a reasonable price?
> >
> > 3) Or, does anyone have a good used Weber carb with manifold for sale?
> >
> > Regards,
> > Ray
> >
> > -------------------------------------
> > Ray W. James, P.E., Ph.D.
> > Texas Transportation Institute
> > Civil Engineering Department
> > Texas A&M University
> > College Station, TX 77843
> > Phone (409)845-7436; Fax (409)845-3410
> > E-mail: r-james@tamu.edu
> > Date: 1/26/98 Time: 6:12:34 PM
> > -------------------------------------
>
> --
> "Thanks to the Interstate Highway System, it is now possible
> to travel across the country coast to coast without seeing
> anything." -- Charles Kuralt
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