Strombergs with brass shafts receive new shafts and bushings. Parts for mgb suhif4 internal carburettor sc parts. Please use our product search boxes below to find your carburettor, fuel pump or spare part for your vehicle or have a look around our store to find a range of accessories to fill your needs. The piston is machined to a close tolerance fit to the dashpot housing.
When writing for advice about the choice of a more suitable needle. It is the intention of this article to help clarify those principles in the hopes that many owners will be able to tune and maintain their su carburtetors. The su carburettor high performance manual explains how to set up carburettors and choose. Before resorting to the quick and makeshift solution of lowering the needle in the piston, examine the sketch. Su carb the worlds sole manufacturer of genuine su parts. For automatic transmission type of applications, remove the spring clip that secures the kick down link at the rear of the rear carburetor.
It is very reliable, but it can become dirty and choked and some parts wear out. Aston martin db6 triple su hd8 carburetors joe curto, inc. We are the worlds sole manufacturer of genuine su carburettors, fuel pumps and spares. The carburetor will have an oring installed in a groove that will go towards the flat part of the insulator block. Some sus also have exhaust emissioncontrol devices to comply with antipollution laws. Hence it is fitted with racing cars and in most of the scooters and motorcycle. Over the years burlen has become renowned for its role in manufacturing, restoring and reintroducing a number of famous classic vehicle fuel systems and associated spares including su, amal, zenith, stromberg and solex. Making it work right requires things like checking for throttle shaft wear, bent needle, jet centering, free movement of the dashpot, proper mixture adjustment, and balanced adjustment of mixture and linkage adjustment of multiple carbs. Whether you have a temperature compensated hif series, the popular hs series, big bore hd8s, or an. The history of the rivera su carburetor at cyril huze post. Su carburetors for sale in uk 58 used su carburetors.
Burlen continues to supply this service to vintage and classic car and motorcycle owners across the globe, and proudly so. To carburate or carburet and thus carburation or carburetion, respectively means to mix the air and fuel or to. The hs4 is the same design as the hs2 and hs6 su carbs, this one being 1 12 size. The javascript may say its taking too long to execute. These are also used in aircraft engines including the early versions of the rolls royce. The solex company was founded by marcel mennesson and maurice goudard to manufacture vehicle radiators. Carburetter company limited also manufactured dualchoke updraught carburettors for aeroengines such as the rollsroyce merlin and rollsroyce griffon. Make sure all components of the ignition system timing, plugs, points, and wires are properly adjusted and working well, and that the valves are adjusted to specification before trying to adjust the carburetors. Su polished kit any model estimated price please call.
The su is a good carburetor, fairly inexpensive, easy to tune unless they are warped, and easy to modify except for metering needles. Su carburetor working of su carburetor the engineers post. The design was in quantity production for much of the twentieth century. With the all plastic floats washers are added or subtracted from under the. Basic knowledge even though the su carburetor carb is a very basic yet precise instrument, some fundamental understanding on just how it works is needed to be able to deal with common problems and tuning. Following is as basic a description of whats going on that i can manage. With the earlier and the latest floats the metal hinge is bent up or down to get the desired fuel level. You are reading this page, so maybe things have not gone as planned. Supplier of british carburettor su and zenith parts.
Su carburetor spacer blocks5 at the top of the hi welcome to my sale for a classic su hs2 carburettor body. Volvo with shop manual which explained the working of the carbs as follows. If you have the hif integralfloat carbs, youll have to look in a manual to. Europes leading supplier of su carburetters, fuel pumps. The original design was a clean and simple layout in marked contrast to the multijet fixed choke carburetters and it provided a standard of flexibility. I do not know the current supply of offtheshelf metering needles. Whether you need a gasket pack, a needle valve, a service kit, a repair kit, fuel pump or a complete carburetter, chances are we will have it in stock ready for despatch on the same day as you. The carburetor, and with it the engine, will no longer work if the membrane develops a leak, and the piston can no longer move up. It is not the aim of this article to present a technical thesis on the s. Checking and cleaning an su carburettor how a car works. Carburetor installation and tuning ultima products. The su carburettor high performance manual speedpro series. Skinner took out a patent for a carburetter in which both the air and fuel passages varied in accordance with the requirements of the, engine.
The main advantage of su carburetor is the rapid response during accelerating. Su s specification for the fuel level in the carby is 38 inch below the bridge. Before tuning the carburettor, carry out all the checks in checking and. They should be removed from the engine for cleaning. The su means skinners union named after thomas carlyle skinner and his. There are larger quantities for sale, so for more details or enquiries for more than one, please message. These were fitted to several makes of early cars including delaunaybelleville and buses of the paris general omnibus company after world war i, the radiator business went into decline and the company bought the rights to the carburetor. Includes king, race, speed, road, demon design and function, air flow theory and tuning secrets. All su carburetors include new throttle shafts and bushings. Although written for a datsun, it still applies to any su carburetor installation.
May 3, 2000 after installing a rebuild kit in an su carburetor especially an hseries it is sometimes impossible to achieve a sufficiently lean mixture by manipulation of the mixture adjusting nut alone. Remove the 4 mounting nuts that hold the carburetor to the intake manifold. The trick to tuning su carbs is to understand that there are two things you. Warm up the engine to normal operating temperature.
Buy it now su carburetor set up tools add to watch list. Su carburettor links and info main page teglerizer. Waterchoke strombergs receive shaftsbushings as needed. Assuming that you have followed the instructions on the preceding two pages your should now be enjoying the renewed performance and economy of your new s. Edit in html format click on a part number to perform a search for more information regarding that part please be aware that some items displayed in this listing may be discontinued and no longer available. Su carburettors are a brand of carburettor of the constantdepression type. The ratio of the mass of air to the mass of fuel is very important and is called the airfuel ratio or mixture. Heres just one more variation on trying to develop a web page based searchable table. This book is for those people who wish to tune su carburettors themselves, irrespective of how many carburettors.
If you have any photos or other information on su carburettors, i would love to hear from you. A carburetor american english or carburettor british english is a device that mixes air and fuel for internal combustion engines in the proper airfuel ratio for combustion. Adjustment of these is described in adjusting an emissioncontrol carburettor. The history of the rivera su carburetor published by cyril huze april 16th, 20 in customs, editorial and engines. Before tuning the carburettor, carry out all the checks in. Adjusting your carburetors extracted from earlier articles by scott fisher, roger garnett, ken streeter, and other contributors. Today we are one of europes leading suppliers and our stocks are extensive.
Since our early days we have supplied su carburetters, fuel pumps and parts. A carburetor is a device that mixes fuel and air together and delivers the mixture to the intake manifold of an internal combustion engine. It was commonly used on later minis in single carb setup, and on mgb b series engines in twin carb layout. Early carburetors achieved this by simply allowing air to pass over the surface of the fuel i.
The hitachi su carb page requires acrobat reader for. Su dashpots available as highly polished or original dull shine steel linkage replated and polished. Su reference catalogue 16th edition as 2012 burlen fuel systems ltd the. Su carburetors have a minimal number of moving parts and are easy to tune, providing of course you understand the operational principles. Su carburetors were widely used in automobile vehicles from much of the twentieth century. It is sometimes colloquially shortened to carb in the uk and north america or carby in australia. It has only one jet except in a few special types and very few moving parts. Combustion in an internal combustion engine, hydrocarbon fuel and oxygen are ignited by the spark plug to provide pressure in the combustion chamber. Fulfillment by amazon fba is a service we offer sellers that lets them store their products in amazons fulfillment centers, and we directly pack, ship. First you need to be comfortable with the main aim of any carb to supply the engine with a. The design of the su carb is straightforward and is not complicated to work on.
Unfortunately, following discussions with many people, the operational principles of this carburettor appear to be poorly understood. Back in the early 70s, rivera got its start when mel magnet the founder of rivera engineering took off su carburetors from some british cars and did some magic to adapt them to harleys. Demon carburetion bksa68 back in stockhow to tune and win with demon carburetion. The oring side of the insulator block will then install against the intake manifold figure 2. Unlike other types of carburettor, which have fixed jets, the su has only one jet, so the mixture setting affects the engine throughout its speed range. Ive been meaning to write this up for some time, ever since i did the su. Check the adjustments of carbs before you take it apart and write them down.
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