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C&L 73mm Mass Air Flow Sensor MAFS
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Click to Enlarge
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Includes your choice of a properly calibrated sampling tube to match your injector size. You do not have to buy a sampling tube separately as one comes with this MAFS housing.
Reuses your existing Ford electronics. New electronics are NOT included with this item.
Huge improvement over the factory Ford meters. Expect a 12 to 15 HP improvement!
Simple 15 minute installation.
Replaceable Sampling Tube - Allows easy meter recalibrations in about ten minutes if you ever upgrade fuel injectors in the future. A sampling tube of your choice is included with the meter, but if you change injector size different sampling tubes only cost $40. Other brands of MAFS requires that you send their meter back to the factory for recalibration at a cost of approx. $100. Downtime will be about ten days.
Attractive brushed aluminum finish.
This unit has a 3" clamping diameter that bolts up to the stock intake tube as well as the SCP 3" Fresh Air System or the MAC intake kit. If you have a 3.5" intake tube then we can provide some adapter to make this fit. Call us to order.
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MAFS Tech Questions:
What is a MAF "Calibration"?
When someone refers to "calibration", they are talking about the voltage value that the Mass Airflow unit provides to the computer, given a certain amount of airflow. These values may be checked at various flow points to plot out what can be referred to as a "curve". It is ideal, in an application where the stock MAF has been replaced with an upgraded unit, for the MAF voltage to have a curve that is very close to that of the stock unit. This will ensure a proper air/fuel ratio, assuming that the Ford engineers optimized the programming of the computer processor. This, however does not take into account the fact that you have increased the amount of airflow available by installing the larger MAF unit. This is where our extensive use of the dyno comes in extremely handy. By spending many hours fine-tuning the calibrations, we are able to find a voltage curve that provides the vehicle with the ultimate in performance without any sacrifices in gas mileage or driveablility. This is because our calibrations are optimizing the air/fuel ratios. C&L Performance is the only mass airflow manufacturer that has used an in-house dynamometer to extract the best possible MAF curves. The results of these tests are available for you to view on this website and in our advertising.
How are MAF units Calibrated?
C&L mass airflow units are quite unique in that they allow the consumer the ability to alter their MAF calibration without having to send their unit back to the manufacturer. Obviously, the main advantage to this is that you will never have a period of time where your vehicle is out of commission. But the advantages don't end there. There is a substantial cost savings as well, as the recalibration of a C&L unit only costs $40 and you can still return your calibration back to stock in the future, as you will still have the original calibration tube. The same can not be said for our competitor's unit, as you must return the unit to them for re-calibration at a cost of around $100 each time. If you decide to buy a new vehicle that has a different size fuel injectors you will still need to return their unit and pay again for the recalibration. This is not true of our unit. The reason for such a cost savings is that when you recalibrate our C&L unit, you are physically changing the way airflow travels across you stock, unmodified sensing element. This design was pioneered by Lee Bender, World Champion drag racer and President of C&L Performance, Inc. By controlling the air speed across the factory sensing element, we are able to alter the Mass Airflow voltage curve to optimize the air/fuel ratio for your particular vehicle and injector application. This design was well received by SEMA (The Specialty Equipment Market Association) and they gave the C&L MAF the "Best Engineered New Product" award at the 1993 SEMA show in Las Vegas. This is the major trade show for all automotive enhancements and performance products. Our competitor uses a different method of calibration that delivers the same basic results. Instead of altering the voltage curve through airflow, they are electronically modifying each unit individually. This is done by cutting open the factory electronics module (at the top of the unit) and modifying it internally to match their housing, which never changes. Other than cost, the main drawback to this method is that because these calibrations are done manually by an individual. This leaves you open for operator error and no two unit will likely to ever be exactly alike. This can result in having to send the unit back to them to have it re-calibrated if there is some sort of compatibility problem. Because the C&L units are all CNC machined to be exactly alike, you will never have to worry about this problem so long as your factory Ford electronics are functioning properly. This also ensures that the results that you get on your vehicle are guaranteed to be the same as what we see on our dyno development vehicles. The same can not be said about our competitor's product design.
How Does the MAF Work With Larger Injectors?
The purpose of changing the MAF calibration for use with larger injector sizes is to make the computer think that less air is actually entering the engine. By doing this, (which ALL aftermarket meters from ALL manufacturers do) you are making the computer reduce the duration of time that it is opening the fuel injectors at a given air flow rate. The larger the injector that is used, the more the voltage is dropped, and in return, the shorter the time the injectors are pulsed by the computer. This "tricking" of the computer is how a MAF allows the consumer to use a larger fuel injector than what originally came on your vehicle from the factory. Over the years, we have heard that people have said that our unit "tricks" the computer and that our competitor's method does not. This is truly ludicrous, as the only way that you can calibrate a meter for larger injectors is to reduce the output voltage, and ALL aftermarket air meters use this method to "trick" the computer. The most important thing to consider is that changing the calibration for larger injectors must reduce the voltage to the proper level for the ideal air/fuel ratio. We have spent countless hours on the dyno and at the track to ensure that our calibrations will deliver a winning combination.
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$135.99
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