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Carburetor 40IDF. Porsche 912 / 356 › 69210099040
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
40 IDF Style Carburettor
Restore or upgrade the induction system of your classic
Porsche with this OE Match 40 IDF Carburettor, designed for Porsche
356 and Porsche 912 applications. Supplied as a single carburettor,
this premium-quality unit is styled on the legendary Weber 40 IDF,
offering dependable performance, excellent drivability and precise fuel
metering for both restoration and performance projects.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Choke: 28
Main: 200
Air:115
Idle: 50
Emulsion tube: 10.5
Manufactured to high standards using precision-engineered components, this carburettor delivers smooth throttle response, stable idle characteristics and consistent fuel delivery throughout the rev range. Whether you're replacing a worn original carburettor, rebuilding an engine or assembling a matched twin-carburettor setup, this OE Match 40 IDF carburettor provides the quality and reliability required for classic air-cooled Porsche ownership.
Styled on one of the most respected carburettor designs ever produced, it offers a practical solution for enthusiasts seeking dependable performance while maintaining the traditional character of their Porsche flat-four engine.
What Does the Carburettor Do?
The carburettor is responsible for supplying the engine with the correct mixture of fuel and air to ensure efficient combustion and smooth engine operation.
Its key functions include:
- Precisely metering fuel delivery.
- Mixing fuel and air for optimum combustion.
- Providing crisp throttle response.
- Maintaining smooth idle performance.
- Supporting reliable cold and hot starting.
- Delivering consistent power across the rev range.
- Helping maximise engine efficiency and drivability.
A correctly functioning carburettor is essential for achieving the responsive, enjoyable driving experience expected from a classic Porsche.
Why Replace Your Carburettor?
Over time, carburettors are affected by wear, contamination and modern fuel formulations containing ethanol, which can lead to reduced performance and reliability.
Replacement is recommended if you experience:
- Poor idle quality.
- Hesitation during acceleration.
- Flat spots.
- Fuel leaks.
- Difficult starting.
- Excessive fuel consumption.
- Worn throttle shafts.
- Internal corrosion.
- Damaged castings.
- Inconsistent fuel delivery.
Replacing a tired carburettor restores smooth engine operation and improves overall performance.
Benefits
Installing this OE Match 40 IDF Carburettor provides:
- Improved throttle response.
- Stable idle performance.
- Reliable fuel delivery.
- Smooth acceleration.
- Excellent drivability.
- Durable long-life construction.
- Straightforward servicing and maintenance.
- Ideal for classic Porsche restoration and performance upgrades.
Installation Recommendations
Professional installation and carburettor tuning are recommended for optimum performance.
When fitting a replacement carburettor, it is advisable to
inspect or replace:
- Intake manifold gaskets.
- Carburettor mounting hardware.
- Fuel hoses.
- Fuel filter.
- Linkage components.
- Throttle return springs.
- Air filters.
- Ignition components.
- Spark plugs.
Where twin carburettors are fitted, accurate synchronisation and correct jetting are essential to achieve balanced engine performance and maximum efficiency.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69210099040
The product you are viewing cross references to these numbers
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