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PMO Induction carburettor tune up kit. Porsche 911

PM-O85

Product Information

PMO Induction carburettor tune up kit.
Please see the PMO vs OE Carb Overview

pmo

Fits

PMO Induction 40mm / 46mm / 50mm Carburettors

Kit Includes

Main Jets, Idle Jets, Emulsion Tubes, Air Correctors

Kit Details

40mm Kit

125, 135, 145 main jets

60, 65 idle jets

F3 emulsion tubes

145 air correctors

46mm Kit

150, 155, 160 main jets

F3 emulsion tubes

175 air correctors

50mm Kit

165, 175, 190 main jets

F3 emulsion tubes

185 air correctors

Tuning guidelines for choke and carb sizing per Weber

Venturi size Formula (mm) 20√V/1000*N/1000

V = Cylinder volume for one cylinder of engine in CCs

N = Peak engine power RPM Carb bore to venturi size recommendation is (10-25% larger than calculated venturi size)*

*The larger the ratio to higher the engine tune and peak power output

PMO Induction carburettor rebuild kit. Porsche 911

PM-O700

Product Information

PMO Induction carburettor rebuild kit.

pmo

Fits

PMO Induction 40mm / 46mm / 50mm Carburettors

Kit Includes

Float Needle Valve 1.75 Body x 4

Float Needle Valve Only x 4

Float Shim .030 x 4

Float Shim .020 x 4

Float Shim .040 x 4

Side and End Plug Gasket x 8

Throttle Body Gasket x 2

Window O-Ring x 4

Acc Pump Diaphagm Inner x 2

Acc Pump Outer Assembly x 2

Carb Base Gasket 40MM Kit (Set of 6pcs) x 1

Small Plug Gaskets x 16

Air Filter Gasket x 2

Accelerator Pump Cam x 2

Transition Port Cover Gasket x 6

Float Bowl Plug Gasket x 6

Mixture Screw O-Ring x 12

Pump Jet Washer x 12

Note

46mm and 50mm Rebuild Kits have an additional

Float Needle Valve 2.50 Body x 2

Please see the PMO vs OE Carb Overview

6 6 6 6 6 6

PMO induction inlet manifold set. Porsche 964 / 993 cylinder heads

PM-O91

Product Information

PMO induction inlet manifold set.

Sold as a Pair

To be used with PMO Induction 46mm or 50mm Carburettors
Please see the PMO vs OE Carb Overview

Fits

Porsche 964 / 993 3.6ltr Cylinder Heads

964 / 993 Standard Heads

46x42mm Motronic Manifolds

Carburettor Size - 46mm

Port Size - 42mm

Manifold Height - Standard

Head / Port Configuration - Motronic (DME)

964 / 993 Performance Heads

50x42mm Motronic Manifolds

Carburettor Size - 50mm

Port Size - 42mm

Manifold Height - Standard

Head / Port Configuration - Motronic (DME)

For inlet manifold selection first determine the base engine’s year and displacement. The original fuel system on the engine type dictates the manifold
port shape and then it is a matter of matching the port size and carb size desired.

4 4 4 4

PMO induction 46x41mm inlet manifold set for 46mm carburettors. Porsche 911 3.2 Carrera standard cylinder heads

PM-O914-0

Product Information

PMO induction 46x41mm inlet manifold set.

Sold as a Pair

To be used with PMO Induction 46mm Carburettors
Please see the PMO vs OE Carb Overview

Fits

Porsche 911 3.2 Carrera - with standard cylinder heads

Specifications

Stock 3.2 Carrera Cylinder Heads

46x41mm Manifolds

Carburettor Size - 46mm

Port Size - 41mm

Manifold Height - Standard

Head / Port Configuration - Motronic (DME)

6 6 6 6 6 6

PMO induction inlet manifold set for 40mm carburettors. Porsche 911 / 911T / 911E / 911S

PM-O90

Product Information

2PMO induction inlet manifold set.

Sold as a Pair

To be used with PMO Induction 40mm Carburettors
Please see the PMO vs OE Carb Overview

Fits

Porsche 911 - 2.0ltr 1965 to 1969

Porsche 911E / 911T - 2.2ltr and 2.4ltr 1970 to 1973

Porsche 911S - 2.0ltr 1968 to 1970

Porsche 911S - 2.2ltr / 2.4ltr 1971 to 1973

Will fit Carburettor and MFI engines

911 / 911T / 911E Engines

40x32mm Manifolds

Carburettor Size - 40mm

Port Size - 32mm

Manifold Height - Standard

Head / Port Configuration - Carburettor or MFI

911S Engines

40x36mm Manifolds

Carburettor Size - 40mm

Port Size - 36mm

Manifold Height - Standard

Head / Port Configuration - Carburettor or MFI

PMO Induction air cleaner kit with ITG foam filter elements. Porsche 911

PM-O318-0

Product Information

PMO Induction air cleaner kit with ITG foam filter elements.

Fits
Porsche 911 - Air cooled engine with custom ITG racing set-up

Kit Includes

ITG Foam Air Cleaner Element - x 2

Air Cleaner Base x 2

Air Cleaner Hardware Kit

Please see the PMO vs OE Carb Overview

PMO Induction air cleaner and water shield kit. Porsche 911 with Weber carburettors

PM-O31

Product Information

PMO Induction air cleaner and water shield kit

Fits
Porsche 911 - Air cooled engine with Weber Carburettors

Kit Includes

Air Cleaner Element - x 2

Water Shield Top x 2

Air Cleaner Base x 2

Air Cleaner Top x 2

Air Cleaner Hardware Kit

Please Note

Cars without air conditioning have standard height air filters

Cars with air conditioning have shorter height air filters

Please see the PMO vs OE Carb Overview

PMO Induction air cleaner and water shield kit. Porsche 911 with PMO Induction carburettors

PM-O31

Product Information

PMO Induction air cleaner and water shield kit

Fits
Porsche 911 - Air cooled engine with PMO Induction Carburettors

Kit Includes

Air Cleaner Element - x 2

Water Shield Top x 2

Air Cleaner Base x 2

Air Cleaner Top x 2

Air Cleaner Hardware Kit

Please Note

Cars without air conditioning have standard height air filters

Cars with air conditioning have shorter height air filters

Please see the PMO vs OE Carb Overview

PMO Induction 50mm carburettor kit, performance version. Porsche 911 aircooled 3.6ltr through to 4.0ltr

PM-O808-0

Product Information

PMO Induction 50mm Carburettor Kit - Performance Version

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

Weber carburettors are a good product, but they were designed for mass production. PMO Induction carburetors are highly engineered and designed to exacting standards tht are not feasible in typical mass production.

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits
Porsche 911 - Air cooled engine with a capacity of 3.6ltr through to 4.0ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against

the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

In addition, Weber never made a 50mm carburettor for large displacement or racing applications.

Specification:
Carburettor Size - 40mm
Choke - 36
Mains - 145
Air Corrector - 185
Em Tubes - F11t
Idle Jets - 55

Float Check Valve - 0.5

Please Note
* The engine cc range in the listings is an approximation based on typical displacement requirements utilising standard (stock) ported cylinder heads and factory style cams.
Any carb sets / manifolds should always be matched to the head port size for the standard (stock) engines.

**Engines with enlarged ports, higher compression ratios, race camshafts, will require additional components for tuning beyond the standard kit
specifications

PMO Induction 50mm carburettor kit for road use. Porsche 911 3.5ltr through to 3.8ltr engine capacity

PM-O807-0

Product Information

PMO Induction 50mm Carburettor Kit for Road Use

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits
Porsche 911 - Air cooled engine with a capacity of 3.5ltr through to 3.8ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against

the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

In addition, Weber never made a 50mm carburettor for large displacement or racing applications.

Specification:
Carburettor Size - 50mm
Choke - 41
Mains - 175
Air Corrector - 190
Em Tubes - F2t
Idle Jets - 60

Float Check Valve - 0.5

PMO Induction 46mm carburettor kit, performance version. Porsche 911 3.2ltr through to 3.4ltr engine capacity

PM-O806-0

Product Information

PMO Induction 46mm Carburettor Kit - Performance Version

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits
Porsche 911 - Air cooled engine with a capacity of 3.2ltr through to 3.4ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:
Carburettor Size - 46mm
Choke - 40
Mains - 165
Air Corrector - 180
Em Tubes - F7t
Idle Jets - 60

Float Check Valve - 0.5

PMO Induction 46mm carburettor kit for road use. Porsche 911 3.2ltr through to 3.4ltr engine capacity

PM-O805-0

Product Information

PMO Induction 46mm carburettor kit for road use

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits

Porsche 911 - Air cooled engine with a capacity of 3.2ltr through to 3.4ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:
Carburettor Size - 46mm
Choke - 38
Mains - 155
Air Corrector - 180
Em Tubes - F16t
Idle Jets - 55

Float Check Valve - 0.5

PMO Induction 40mm carburettor kit for road use. Porsche 911 2.7ltr through to 3.0ltr engine capacity

PM-O804-0

Product Information

PMO Induction 46mm Carburettor Kit - Performance Version

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

Weber carburettors are a good product, but they were designed for mass production. PMO Induction carburetors are highly engineered and designed to exacting standards tht are not feasible in typical mass production.

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits

Porsche 911 - Air cooled engine with a capacity of 2.7ltr through to 3.0ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:
Carburettor Size - 46mm
Choke - 36
Mains - 145
Air Corrector - 185
Em Tubes - F11t
Idle Jets - 55

Float Check Valve - 0.5

PMO Induction 40mm carburettor kit for road use. Porsche 911 2.7ltr through to 3.0ltr engine capacity

PM-O803-0

Product Information

PMO Induction 40mm Carburettor Kit for Road Use

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits
Porsche 911 - Air cooled engine with capacity 2.7ltr through to 3.0ltr

Kit Includes
Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:
Carburettor Size - 40mm
Choke - 36
Mains - 145
Air Corrector - 190
Em Tubes - F11t
Idle Jets - 55
Float Check Valve - 0.5

PMO Induction 40mm carburettor kit, performance. Porsche 911 2.4ltr through to 2.7ltr engine capacity

PM-O802-0

Product Information

PMO Induction 40mm Carburettor Kit - Performance Version

Fits

Porsche 911 - Air cooled engine with capacity 2.7ltr through to 3.0ltr

Kit Includes
Carburettor x 2, linkage and fuel regulator.

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburettors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburettors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburetors.

The PMO Induction carburettors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:
Carburettor Size - 40mm
Choke - 34
Mains - 135
Air Corrector - 185
Em Tubes - F11t
Idle Jets - 55

Float Check Valve - 0.5

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PM-O802-0

91110812100

91110812301

91110812302

91110812200

91110812402

91110812403

The product you are viewing cross references to these numbers

PMO Induction 40mm carburettor kit for road use. Porsche 911 2.0ltr / 2.4ltr

PM-O801-0

Product Information

PMO Induction 40mm Carburettor Kit for Road Use

Replacing worn or faulty Weber carburettors or looking for increased performance? Choose PMO Induction carburetors

Weber carburettors are a good product, but they were designed for mass production. PMO Induction carburetors are highly engineered and designed to exacting standards that are not feasible in typical mass production.

This is why we feel that PMO Induction carburetors are a superior product.
Please see the PMO vs OE Carb Overview

Fits

Porsche 911 / 911S - 2.0Ltr

Porsche 911T / 911E / 911S - 2.2ltr and 2.4ltr

Kit Includes

Carburettors, linkage and fuel regulator

PMO Induction utilises aerospace quality castings, machining tolerances, IDF jetting and float technology that is based on Weber's most modern carburettor design.

The original 46mm Weber carburetors simply have the throttle plate enlarged, whereas PMO’s have the
entire throttle body enlarged from the top throat through the plate meaning the air flow capabilities of
PMO Induction’s carburetors are significantly improved over the equivalent size Weber.

PMO Induction use a one-piece, machined stainless steel throttle shaft, supported by large ball
bearings for a lifetime of smooth throttle action negating the Weber carburettors biggest problem as
Weber carbs suffered greatly with throttle shaft wear, air leaks, and binding over the years. Weber throttles also suffer from heat soak
that exacerbate the wear issues but this does not affect PMO Induction carburettors.

The PMO Induction carburetors have a sight glass float bowl to allow for accurate setting of fuel levels,
much more simple and efficient than the Weber IDA method that requires partial a carburettor disassembly.
The fuel inlet system is also greatly improved to provide significantly improved flow capacity and fuel delivery balance against
the banjo set-up on the Weber carbs, which are highly prone to leak and are capacity limited on high flow applications.

Specification:

Carburettor Size - 40mm

Choke - 32

Mains - 125

Air Corrector - 180

Em Tubes - F11t

Idle Jets - 55

Float Check Valve - 0.5

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PM-O801-0

90110811500

90110811700

90110811701

90110811600

90110811801

91110812100

91110812301

91110812302

91110812201

91110812402

91110812403

1615100218

The product you are viewing cross references to these numbers

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