Who makes SU carburetor?

Who made SU carbs?

S.U. stands for Skinner Union and the first carburettor was made by Herbert Skinner and his brother, Thomas Carl Skinner, (Fig. 3) in 1904, and patented in 1905 (No. 3257/05).

Are SU carburetors still made?

Manufacture continued, now by The S. U. Carburetter Company Limited, which was incorporated 15 September 1936, as part of the Morris Organization, later known as the Nuffield Organization. … Carburetter Company Limited, which continues to manufacture carburettors, pumps and components, mainly for the classic car market.

Are SU carbs any good?

The SU is a good carburetor, fairly inexpensive, easy to tune unless they are warped, and easy to modify except for metering needles. I do not know the current supply of off-the-shelf metering needles. It used to be limited; and when we were still working on SU’s, we made most of our own.

What oil goes in a SU carb?

Re: Carburettor dashpot oil

20W50 engine oil is perfect.

Is Carter carburetor still in business?

Carter Carburetor Company in St. Louis, Missouri was established in 1909, and ceased operation in 1985. It was founded by William Carter, who started experimenting with automotive carburetors while running a successful bicycle shop.

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How do you clean a SU carb?

Checking and cleaning an SU carburettor

  1. Remove the screws to take off the dashpot. …
  2. Lift out the piston and jet-needle assembly, taking care not to bend the needle.
  3. Loosen the grub screw to free the jet needle.
  4. Prise off the spring clip on the choke linkage.
  5. Undo the nut holding the jet tube to the float chamber.

How do you adjust the fuel mixture on a SU carb?

With the engine running at working temperature, hook your finger under the pin and raise the piston about 1/32in. (1 mm). If, while the piston is raised, the engine speed increases briefly then returns to normal, the mixture is correct. If it rises and stays high, the mixture is too rich.

What does SU carb stand for?

The initials S.U. stand for Skinners Union. From these beginnings the S.U. Company grew into one of the major manufacturers of car fuel systems and components in Europe, its carburetters being widely used on both touring and competition vehicles. S.U.

Why is a Weber carb better?

The advantage of Weber carburetors was that Weber sold a large number of calibrated parts to tailor the air fuel ratio to the engine demand. You could not get that with many other carburetors. The thing that really sold Webers was their multiple carbureted one venturi per cylinder set up.

Are Weber carburetors good?

Weber carburetors might not be the induction of choice for a modern, high-tech, race engine. But remarkably, they are still the induction system of choice for any Sixties-era sports or race car that represented the “high-water mark” in racing and performance during the era, if you want authenticity.

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Which carburetor do I have?

The list number is stamped on your carburetor, either on the corner of the airhorn or choke tower or, if it doesn’t have an airhorn, on the mainbody. Remove the carburetor from your vehicle before looking for the list number to easily find the information you need.

How do you identify Stromberg carbs?

Stromberg 97 cores can be difficult to find, but can be identified by a raised “97” cast into the center section; the Indiana-built units had an “EE-1” stamped onto the base. Units built in the Elmira, New York, factory can be identified by a “1-1” casting number on the base.

How can you tell the difference between HS2 and HS4?

You can see that the dashpot (large silver part on top of carb) is smaller and slimmer than the HS4. A HS2 will measure 1.25″ and the HS4 will measure 1.5″.