HS SU Carbs were fitted to a wide range of vehicles. Click for larger images.
SU HIF4 – MGB MGB GT 1972-80 Please read our latest Brexit information.
Su hif carb diagram. The choke linkage is towards the top of the picture with return spring and the throttle at the bottom. Some have the connections shared on either side. Su carbs Although there are a number of different versions of the HIF type carb they all essentially share the same type of connection layout.
SU Carb Linkages and Return Springs. Explanatory Diagram of a Typical H Type Carburetter – SU Carburetters. Although there are a number of different versions of the HIF type carb they all essentially share the same type of connection layout.
Moss London 44 020 8867 2020. Functionally similar to previous SU carburetters the HIF uses the variable chokeconstant depression principle to achieve the precise induction of mixture required to control the toxic elements of exhaust emission to within statutory. For those of you familiar with Weber or Dellorto carburetters please note that this screw operates the other.
The patient for the day was the Team Mullis 1972 MGB owned by Dave Mullis. MGB SU HIF4 Carburetor Rebuild March 25 2006 – Downers Grove IL HIF4 carburetor inverted with main fuel jet and adjuster parts removed. This item is supplied on an exchange basis.
This screw may be hidden behind a tamper-proof plug. They are easily identified by the float bowl being attached to the main body with a sideways bolt and the jet has a small flexible pipe to the float bowl. SU HIF 4 Carburetor Rebuild Reassembly Adjustment – YouTube.
Loosen the throttle actuating levers on their common shaft so that each carb can be adjusted independently. Connect this to the air cleaner. SU HIF 4 Carburetor Rebuild Reassembly Adjustment.
Moss Manchester 44 0161 480 6402. The type HIF Horizontal Integral Float Chamber carburetter has been designed primarily to meet the requirements of exhaust emission control carburation systems. A surcharge of 10000 excl VAT will be charged in addition to the unit cost if it is supplied in advance.
Instead a mechanism lowers the jet assembly which has the same effect as the needle rising in normal operation – namely increasing the supply of fuel so that the carburettor will now deliver an enriched. SU HS4 Carburetor Instruction Sheet. Moss Bradford 44 01274 539 999.
Written by Skye Nott 2006-04-02. EDIT IN HTML FORMAT. Su Carburetters are The Worlds Sole Manufacturer of Genuine SU Carburettors Fuel Pumps and Spares.
SU carburettors do not have a conventional choke flap which in a fixed-jet carburettor enriches the mixture for starting the engine from cold by restricting the air supply upstream of the venturi. Scanned technical publication from 1967 showing SU HS disassembly cleaning reassembly and exploded view. 37 rows Diagram HIF Carburetor.
The clamps at A are set so that both carb butterfly cams start opening at the same time and those at B are set so that both jets start. Use a magnet pick-up tool to feed washers and nut down to the studs one at a time and press the carb back or use a screwdriver lever to move them onto the stud. SU Booklets AUC9939A AKD7902.
Type HIF carburettor tuning servicing V8 Register 211206 Copyright of SU Carburettors is acknowledged 10 for tuning and servicing the Type HIF carburetter in. The float bowl is the same size across all of the HS carbs but the bellhousing size and bore diameter is different. Click on a part number to.
View from the RHS of the car leaning over the engine. Rebuilt the SU HIF carbs on my 1974 MGB mounted them back to to the engine. Connect this to the supply line form the fuel pump.
The diagram below depicts the most common type – the connections can be on either the right hand side as illustrated below or the left hand side. I double checked everything before putting back together. This line should have a hose clamp around it at the carburetor for safety reasons.
It has had sick carburetors for some time with the rear carb flooding badly. For HIF carburetters the mixture adjustment is via a screw with two slots in it shaped like a cross. The diagram below depicts the most common type – the connections can be on either the right hand side as illustrated below or the left hand side.
Moss Paris 33 01 30. The HS series SU Carbs. – Larger pics average 48KB.
Moss Bristol 44 0117 923 2523. AUD434E – MGB 1972-1973 PAIR OF HIF SU CARBURETTORS – RECONDITIONED. Located directly below the float bowl vent.