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PMO Carburetor
Porsche Triple Barrel Up-Grades: |
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PMO Up-Grades
One Piece "Stainless Steel" Throttle Shafts
Dual Fuel Peep Inspection
Holes
Less Restrictive Throttle
Plates
Larger Stronger Throttle Ends
Ball Bearing Throttle Shafts
Bearings
Thicker Throttle Return Plates
Monster Velocity Stacks
Two Sizes of Auxiliary Venturis
Float Bowl & Float Improvements
Replaceable Idle Air Jets
Heat Treated Aluminum Permanent Mold Castings
Metric or A/N Fitting Fuel Connections
Monster Manifolds
40's - 46's - 50's to Choose From!
MADE IN THE USA
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40mm PMO
Carburetors only! |
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46mm PMO Carburetors only! |
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50mm PMO Carburetors only! |
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Complete 40mm PMO Package! |
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Complete 46mm PMO Package! |
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Complete 50mm PMO Package! |
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Call For PMO Carburetor Pricing!
Motor Meister even has a Porsche trade in special, of
trading in your tired Porsche carburetors for credit towards
NEW PMO's! |
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The PMO
carburetor was designed from the beginning to be a state-of-the
art carburetor for the Porsche 911. PMO started off with a
casting designed around a 50mm throttle plate and downsized to
46 and 40mm to achieve three different sizes. PMO used an
excellent material and process: A-356 aircraft aluminum and
permanent mold casting. Permanent mold casting is a preferred
method in the aerospace industry.
Flow
through the PMO carburetor is also optimized by many additional
details such as having the accelerator nozzles barely protrude
out in the air stream. The wings on the auxiliary venturis are
CAD designed using a mathematical formula for an aerodynamic
ellipse. Even the throttle plate screws are specially designed
with a small Torx head and the exact length to engage all the
threads in the throttle shaft but not protrude out into the
airflow. The stainless steel throttle shafts are suspended
radially by sealed ball bearings which are preloaded by
Belleville springs to prevent axial float.
Float bowl
slosh in the PMO carburetor is controlled by moving the emulsion
tube pylons close together which effectively divides the float
chamber into two halves. To accomplish this we use the IDF float
which is composed of two solid foam pontoons suspended by a
stamped metal frame. The PMO main jets, emulsion tubes and air
jets are in one stack in the center of the casting. This allows
fuel to be drawn from the center eliminating fuel starvation in
the turns. The PMO auxiliary venturis are investment cast with a
round base giving 360ฐ support to permanently prevent any
wobble. The auxiliary venturis come in two sizes: 4.5 and 5.0.
The 5.0 size being for race engines in the 3.6-3.8 liter range.
PMO added a replaceable idle air jet to more finely tune
the idle circuit.
The PMO
redesigned the accelerator circuit to cause less air flow
turbulence and still be more efficient. The accelerator nozzles
barely protrude out into the airflow and are aimed at the curved
surface of the auxiliary venturi tube. This shatters the fuel
stream allowing complete atomization before the air-fuel mixture
even leaves the carburetor. The increased efficiency allows less
fuel to give the same effect.
In design,
construction and performance, PMO carburetors are a truly unique
product on the market.
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Performance Air Filters for Porsche 911's Weber, PMO &
Zenith
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Racing
"Flat Lids"
Performance K & N Air Filters
for the Porsche 911 and Porsche 914-6
$199.95 a pair
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Performance
"Rain Guard"
Performance K & N Air Filters
for the
Porsche 911 & Porsche 914-6
$199.95 a pair
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The Porsche racing air filters fit Weber
40's, Weber 46's, and Porsche Zenith carburetors.
The lightest air filters on
the market for the Porsche 911 and Porsche 914-6.
They are available with either FLAT lids for racing
applications only or RAIN GUARDS for street and racing
applications.
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All Air Filter Kits
Come With the Following
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Lightweight Aluminum
Lids
Lightweight Aluminum Bases
Performance Air Filter
Elements
Quick Access Lock
Nuts
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8-Aluminum Holding
Bolts
Quick Access Lock Nuts
2-Base Mounting
Gaskets
Easy installation
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Replacement K & N Filters $39.95
each
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Performance Manifolds
For The
Porsche 911 & Porsche 914-6
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The
Performance and Racing Manifolds fit Weber 40's, 46's, and Zenith 40 carburetors. They
come in two different designs for different Porsche applications. The Standard Performance
is for daily driving and the Monster Manifolds is for racing applications. The new design
manifolds are made for the best Performance you can get from a direct bolt on manifold.
Made to go fast and last, with ported and swirl polished throats and solid bases for the
carb and head matting areas. |
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 Two different choices in street
performance or racing
 Ported and
swirl polished throats
Large mounting
bases
Direct
bolt on for easy installation |
Motor
Meister's Performance manifolds come in two different applications,
Standard Performance & Monster Manifolds
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Standard Size |
Monster Size! |
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Standard
on the left and
Monster Size
on the Right! |
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Performance Porsche Carburetor Manifolds
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Racing
Porsche
Carburetor Manifolds
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The standard aluminum Porsche Performance manifold are great
for the daily Porsche driver that wants a better Porsche manifold then the original soft magnesium intake manifold Porsche used in their over 30-year-old design. The new standard aluminum manifold features better performance and is stronger then
the stock manifolds. |
The Monster Porsche Racing Manifold are great
for the Porsche racer who wants the maximum Performance they can get out
of a direct bolt on intake carburetor manifold. The MONSTER Manifolds are taller,
giving the racer the maximum bottom end and torque they can
achieve from any Porsche manifold. |
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Motor
Meister's Performance Manifolds come Ported and Swirl Polished
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Motor Meister's Performance manifolds come already ported
and swirl polished for maximum flow and no casting flaws for future fatigue which can
cause breaking. The stock manifolds are made in a casting and have casting material
protruding into the intake ports blocking the flow of the fuel and air which reduces over
all power, that is why Racers port out the heads and manifolds to make the port equal all
the way from the carburetor to the intake of the heads. The Swirl Polish also helps
flow the air and fuel faster to the intake charge again for better all around Performance
and Power! |
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Standard Performance
Porsche Manifolds $349.95 a pair
Monster Racing Porsche Manifolds $399.95 a pair
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