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Now, we'll address these statements one
at a time. Our comments are in BLUE
NO we are NOT Pro-M. --- (One
of the few factual statements on their site.)
Pro-M is actually the name of a product line not an
actual company. -- (Wrong. Pro-M
was always a company, and a product line.)
In the beginning, we built the Pro-M product line to immediately
fill the void. --(In the beginning,
they built the Pro-M product line because we allowed them
to do so. Admittedly, a foolish mistake on our part.)
Due to the changes in the aftermarket industry, we realized
during the first few months that this line was not going
to work for the changing needs of today's racer/tuner,
so we started designing a new product line tailored around
today's racer/tuner not yesterday's. ---
(Due to the fact that they were ruining the Pro-M name
by neglecting the equipment, providing calibrations that
were not nearly correct, and providing extremely poor
customer service, we pulled the equipment from their facility.
They started designing their own product line, because
they were no longer allowed to produce ours. They say
that our product line was not going to work for today's
changing needs, however, every single meter they produce
is lesser quality copy of a Pro-M meter! Even the Velocity
is as close to the Pro-M 80/92 meters as they could come
without infringing on our patents. However, it lacks the
ability to sample air from the entire 360 degree perimeter
of the housing.)
Professional Mass Air Systems produces the largest
selection of different aftermarket mass airflow sensors
in the industry. ---(Correction…
They produce lesser quality copies of the largest selection
of aftermarket mass air sensors in the industry.)
We would rather put our money into building a product
that performs so well it sells itself, instead of spending
huge marketing dollars to get a customer to buy a part
that is only slightly better than stock. ---(Something
they lack the knowledge to ever accomplish.)
Professional Mass Air Systems tests every MAF individually
that leaves the building with the exact process that the
O.E.M. manufacturer's use. ---
(Not at all true.)
We build the equipment that is the standard to test mass
air sensors. --- (Pretty misleading.
They built their own flow stand to test their own mass
air sensors, which are grossly inaccurate.)
Product
Comparison
75 MM, 85MM, 95MM, and Blow-Through Mass
Air Meters
(75MM shown)
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Theirs
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Ours
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element mounting block is riveted to the housing.
The rivet bodies protrude into the airpath. The rivet
mandrels are prevented from coming loose (and entering
your engine!) with a blob of black silicone. Note
the cheesy pigtail adapter used for connection to
the vehicle harness. We have seen these pigtails fail
many times. There is no provision provided for mounting
the meter to the vehicle. Calibrations are typically
off by 10-15 percent (see "calibrations"
below). This is a brand new meter, and it already
starting to rust. There is nothing "professional"
about this product. |
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The
element mount block is welded to the housing (no
rivets). Quality molded one-piece adapter for connection
to vehicle harness. Mounting bracket welded to housing
(again, no rivets), allowing use of stock mounting
bracket. Calibrations within 2% of factory baseline.
No corners cut. Chrome meters are quality plated.
Aluminum meters are clear anodized. Very high quality
in every aspect.
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95MM Velocity vs. Pro-M 80 and Pro-M 92
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Velocity
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Pro-M
80 and Pro-M 92
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95MM
opening is too large for the vast majority of applications.
The Velocity, quite literally, has no velocity at
lower flows, resulting in very poor accuracy and
low resolution when used on smaller displacement
applications. On larger displacement applications,
the sample tube hanging in the airpath becomes a
restriction. This sample tube measures 2" X
5/8", a significant restriction at higher flows.
Lacks the ability to average the airflow, due to
the lack of 360 degree sampling. Calibration tolerance
much higher than OEM specs.
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The
Pro-M mass air meter is available in two sizes. The
80MM is for use with applications producing up to
800HP. It's smaller diameter, bell mouth design, and
the lack of a sampling tube protruding into the airpath,
result in a meter that flows very well, while maintaining
enough "velocity" to remain extremely accurate.
The 92MM is for very high horsepower applications.
The 92MM actually flows significantly better than
the competition's 95MM, due to the lack of a sampling
tube protruding into the airpath. It is extremely
accurate, and has very good resolution, even at lower
flows. Both sizes feature 360 degree sampling, allowing
them to "average" the airflow through the
meter, resulting in an extremely accurate measurement.
Tolerance on the Pro-M meters is held to 1%. The Pro-M
line of mass air meters are the standard by which
all others are judged. Nothing else even comes close. |
Calibrations
The
graphs below show the voltage output of a meter being
tested on the flowbench. The "0" line on the
graph represents a perfect calibration. The "6"
represents 6% off the mark, "12" represents
12%, and so on. The ability to properly calibrate a meter
depends on the accuracy of your equipment, the accuracy
of the calibration formulas being used, and the competency
of the person doing the calibration. The pictures below
are screen shots of actual meters being sold by the competition,
and screen shots of our meters. You be the judge!
Stock
Tune meters (For use without cold air kits)
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Typical
Competitor's "Stock Tune"
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Pro-M
"Stock Tune"
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Click
on picture to enlarge.
This
is what we typically find when testing a competitor's
meter. You could blame this on inaccurate equipment,
or inaccurate formulas, but since there seems to
be no consistency to the level of inaccuracy, there
is some laziness on the part of the staff in there
as well. We typically see meters this far off in
the negative direction from the same manufacturer.
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Click
on picture to enlarge.
We
are purposly showing a Pro-M meter with a calibration
that is as far off as you would ever get from us.
This meter is 2% off. Keep in mind that this is
3 times tighter than OEM spec!
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Cold
Air Tune Meters
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Typical
Competitor's "Cold Air" Meter
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Pro-M
"Cold Air" Meter
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Click
on picture to enlarge.
This
graph shows the effects of a cold air kit installed
in front of any of our competitor's cold air tuned
meters. This very messy signal is difficult for
the engine computer to use, resulting in poor drivability,
and poor idle quality due to an inaccurate measurement
of the actual air mass.
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Click
on picture to enlarge.
This
graph shows effects of the same cold air kit on
a Pro-M meter. It's not difficult to see why our
Cold Air meters perform so well. For more information
in this, please see our "Facts
About Cold Air Kits" page.
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Electronics
The
pictures below show actual products being offered by one
of our competitors. They are being sold by a company who
claims that their mass air meters are calibrated to within
a few percent of OEM specifications. However, the purpose
of these products is to correct for a miscalibrated meter.
Confused? Don't be... These products represent an addmission
that their meters are not what they claim. Why else would
you sell this stuff? You will not find such things being
offered by Pro-M. A good meter does not require these
products.
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Remote
Optimizer
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MAF
Tuner
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