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Ham Radio Operator Invents Fuel Saver Gas Saving Device
 That Uses Gravity to Increase His Gas Mileage!

You can increase gas milegage and build it for the price
 of a good meal at Burger King or less!
by Leonard Shick, WB3AYW

What it is and what it is not!

"I intended to patent this device and license it but can not due to the expense
 so I am sharing my invention idea with you."

 Leonard Shick
This article will introduce you to my new invention that I have installed on my vehicles that will get you more fuel savings and gas mileage using only gravity at specific times during your driving with a simple modification to your air intake on your vehicle. For you ham radio operators out there, it is much like an antenna tuner. It does not tune the antenna, just the load the radio sees! That is the analogy behind it in a nutshell except you are not using an antenna tuner.
It is actually very simple when you know how to do it with your vehicle.

This fuel extender fuel saver or gas savings device does not increase power or make your vehicle run better! It is not based on any so called "principle" you have ever seen sold anywhere as a method to increase gas mileage! Most if not all of them do not work. This one does. It has been reviewed by a very experienced automobile mechanic who states that the device does work and the principle is sound and there is nothing on the market like it! 
I use it on my own vehicles.

It only increases the distance you can go on a gallon of fuel going down hill or a grade by using gravity and my simple device. Yes, you read that correctly...going down hill!

It uses gravity and a simple mechanical modification to your engine air flow to "trick" or fool your engine computer to "think" the engine is actually running slower, therefore the engine computer adjusts the injectors so less fuel is needed.

Important! Before you read further.....This modification is installed inside the air intake tubing between the air filter housing and the MAF (air flow sensor) inside your engine compartment. More about the MAF sensor and how to identify it later in this article.

This section of the air flow tubing where this modification is installed is just before the MAF sensor inside the air flow tubing coming from the air filter assembly and MUST BE INLINE FRONT TO BACK WITH THE VEHICLE. This section of the tubing coming from the air filter must be parallel with the sides of the vehicle. Go look at your vehicle, open the hood and look.
If the air flow tubing JUST BEFORE THE MAF SENSOR IS NOT parallel with the sides of your vehicle, this modification WILL NOT WORK or will work poorly or you may have great difficulty making it work properly! This modification works by gravity moving a weighted device that must move from front to back with your vehicle as it travels forward and down hill only.
 You will also need a few inches around the tubing and just before the MAF sensor to install this modification.
The air flow tubing from the air filter housing just before the MAF, as the air flow procedes from the air filter tubing, needs to be a minimum of a couple of inches long BEFORE THE MAF SENSOR AND PARRALEL with the side of your vehicle. Notice we repeated that twice! There should be room in and around the MAF area of your vehicle to install this device of several inches. IF NOT, THEN YOU WILL HAVE TO REMOVE THIS SECTION OF TUBING ATTACHED TO THE MAF AND THE AIR FILTER HOUSING AND WORK ON IT OFF THE VEHICLE. See drawing for location further down this article.You should be mechanically inclined and have the ability to understand written directions. There are no electrical or electronics involved with my modification. Strictly mechanical in nature.

If the vehicle has a pressure sensor in the throttle body like some have, this will NOT work.
You will have to determine this.

It can not be added to hybrid vehicles, as the duty cycle of these engines is different.

Your vehicle must have an engine control unit (ECU), now called the power train control module (PCM) or Electronic Control Module (ECM) or this modification will not work!
So read no further if this applies to your vehicle!

It is a mechanical modification of the way the engine computer "calculates" the speed of your vehicle! There is no connection to the engine computer and it is NOT modified in any way.

So if some of or much of your driving is on unlevel terrain, this should help increase your MPG average. Remember, you must have enough room, you must have an inline flow of air from the air filter of at least an inch in the tubing or so to the MAF SENSOR...otherwise, nothing about this modification will work for you....sorry!

Since it is impossible for this device to fit ALL engine layouts, makes, years and models, you will have to use this informatiion as if it would fit inside your engine compartment in your air tubing coming from your air filter housing. You and only you can determine this.

What it does!

As you drive along a level road it does nothing or when going up a hill or up an over pass, but on reaching the top and then starting to go down the hill or over pass, the installed modification moves a (order instructions and plans to find out) modification that you install inside the engine air intake tubing; and since the vehicle does not need a rich fuel mixture going down hill, the (order instructions and plans to find out) leans out the air to fuel ratio in an appropriate amount depending on the incline of the road. A few question many might ask....

1. Will this fuel saver gas mileage modification increase gas mileage going down hill even though the driver takes his foot off the gas pedal and just lets the vehicle coast downhill?

Answer...Yes; the lever, operated by gravity controlling the air flow, does not care or know if the car is in gear, or coasting, as the same fuel will be consumed either way. In other words, the same amount of fuel is used when the engine is coasting as when it would be idling without the modification. Fuel injection is set up so that your worst fuel consumption is needed for idling. So going down hill, the vehicle does not need the same amount of fuel as it does sitting at idle. The auto mfg's do this as an easier way of controlling the amount of fuel to air ratio going into the engine.

2. So in other words, the same amount of fuel is used when the engine is coasting as when it would be idling?

Answer...With or without the modification it should be the same, as it only works going down a hill by leaning the fuel mixture out. Idling should be the factory stock fuel mixture.

3. If this device increases gas mileage when going downhill by making the computer "think" the vehicle is going slower, does it at any point lower the mfg's recommended idling rpm below the recommended rpm?

Answer....Not if set up correctly. The point where it starts to slow the idle is where you set the front stop. So if set up correctly, it should not change the idle rpm at normal idle.

4. Will this work on any vehicle regardless of when it was built!

Answer...NO! It only works on gasoline powered vehicles (untested on diesel vehicles) that have an MAF SENSOR and Electronic Control Modules or an ECM, also called the power train control module (PCM).

5. When (what model year) did these modules first start being used?

Answer...About 1980 and later they began to be incorporated in most gas powered vehicles.

6. How can I tell if my vehicle has the MAF sensor.
Answer...If you are not familiar with your vehicle "engine gadgets", go to any auto parts store or their web site and search your make and year model for MAF sensor. If listed, then you have one. Most auto parts stores near you will be glad to look it up for you. They may even be able to tell you exactly where it is on your engine.

7. Does this fuel savings modification work on diesel powered vehicles?
Answer...Not tested on diesel engines, but it should work ok on them also as long as they use the MAF sensor in the air flow in the intake..

8. How does this gas mileage extender, saver, enhancer, range enhancer, gas mileage booster, increaser, or improver or what ever you want to call it work?

By adding a weight activated (order instructions and plans to find out) in front of the MAF sensor (after the air filter) inside the air intake tubing, the data sensed by the MAF sensor can be changed to increase fuel efficiency by a substantial amount.

It is a mechanical way of extending your fuel savings on the same amount of fuel in an electronic system by "tricking" the MAF and the engine computer into "thinking" that the vehicle is going slower, therefore, less fuel is needed!

Going up hill the weight sets against a stop thus doing nothing, and when going down hill the engine does not need as much fuel as when at idle, so the (order instructions) changes the air flow to the MAF sensor, thus the engine computer and the signals to the fuel injectors "thinks" the engine is running slower than it really is so it decreases the fuel to the cylinders.

Since the computer is "Tricked" into thinking the vehicle is going slower, it decreases the injector opening for the flow of fuel , thus saving fuel going down hill. At the bottom of the hill on level ground the weight turns the (order instructions and plans to find out) back to a neutral position thus restoring the normal fuel to air ratio of around 14 to 1.

As you go down another hill, the weight changes the (order instructions and plans to find out) with the slope of the hill and more fuel savings. As you get to the bottom of the hill the (order to find out) changes as the grade gets less and less until you get on the level and the weight hangs straight down using gravity back in its neutral position and the air flow is not changed.

Now you are on LEVEL GROUND again, so the fuel mixture stays as originally set at the factory.

Then at the top of the next hill and after starting down that hill, the weight moves the (order instructions and plans to find out) again inside the air intake tubing reducing the air flow again over the MAF sensor and the car computer thinks it is not running as fast and reduces the fuel injector timing again. By shortening the timing, the fuel injector is open, so less fuel is injected into the engine. This process is repeated at every down grade.

This happens automatically on every down hill as you drive using only gravity. My SUV has an increase of about 30% with this device installed. See mileage numbers below for more.

This fuel savings device should pass all EPA tests in my opinion. As it only works going down hills when less fuel is needed with an automatic transmission as the engine holds back the vehicle and thus helps keep the engine running. My vehicle is a 2010 Ford Edge SUV with all pollution devices unchanged as when it came from the factory. No fault codes from the computer have been seen on the dash.

As for pollution inspection, the checks are done with the vehicle sitting on the level so there should be no problem.

So simple a 10 year old should be able to install one on any vehicle that has a MAF Sensor and is mechanically inclined and can locate the MAF sensor.

This works great on my two Ford vehicles. A 5% to a 30% gas mileage increase is possible using this device.

My gas mileage result using my modification!
Long distance trip mileage results using Ford Edge 3.5 V 6 automatic

No loss of power, and no driveability difference.

No fault codes either, at around 70 MPH.

From GA to PA and then back from PA to my home in GA = round trip average of around 30 MPG.
28.8 and 28 = 28.4
32 and 29.8 = 30.4
31.5 and 32.6 = 32
29.8 and 27 = 28.9mpg

You just saw my gas mileage figures of my actual trip to Pennsylvania and back!
Not bad for a car that Ford says only gets 25 mpg open highway!

Take a car that gets 38 MPG, it could be getting up to 49 MPG. Only a 28% increase!

And a car that gets 50 MPG like the new Ford 3 cylinder, could be getting 65 MPG average.

My Ford ranger was getting 18 on trips,  is now getting 25 average!

All pollution controls are still on the vehicles. I did not touch them.

My Ford Edge is a SUV and no other modifications were made.

No difference in driveability or response on the road were noticed, except the gas mileage increase.

Cost me $3.00 to build! The savings on each tank of gas is about 3 gallons, $10.00 ! Or about 3 gallons for a 18 gallon tank or an extra 80 to 100 miles of driving free on each tank of gas.

No savings till the engine gets warmed up as the MAF sensor is not used when engine is cold.

SIMPLE INSTRUCTIONS: (Complete instructions and how to build it can be seen at the end of this article)

Open the hood of the vehicle.

Locate your vehicle's air cleaner assembly. It contains your air filter. Consult your owner's manual if you are not sure where the air cleaner assembly is found.

You must be mechanically minded to perform this modification and be able to use hand tools.

Follow the tubing from the air filter assembly towards the engine.

The MAF sensor is typically located after the air filter box and before the air intake hose going toward the throttle body and the intake valves of the engine. It has wires coming from it.This modification will go between the Air filter tubing and the MAF sensor. No electrical connections to the vehicle are made at any time with this modification. This is strictly a mechanical modification to the air intake for the engine and "tricking" the engine computer by the way it mechanically operates using gravity as the power source. It only works going down hill or unlevel down grades. Everything returns to normal operation on level grades.

See diagram below:

The arrow indicates the location of the modification.
 This location in the tubing must be parallel with the sides fo the vehicle!

After locating the MAF, proceed as follows:
[[[[IMPORTANT: Before installing this modification remove the MAF sensor so it does not get damaged as they are expensive. Re-install it after building the modification. After drilling the two holes clean out all debris from the intake air tube. RE-INSTALL THE SENSOR AFTER INSTALLATION OF THE MODIFICATION. Check your work again!]]]]


Adjustment is simple.

Set (order instructions and plans to find out) so it does nothing on the level, (order instructions and plans to find out) in line with the air flow.

Set back stop against lever so it is against lever sitting on the level. Then adjust front stop so the engine just slows down a little. This is a lean burn situation.

Driving the vehicle or its performance should not change, or any change in your driving habits be noticed as you drive as long as it is adjusted as described in the instructions.

The only thing you will notice is you can drive farther on each tank of fuel.
No the fuel will NOT be cheaper!

Just better overall mileage.

A cold engine will run as it did, as the MAF Sensor does not work until the engine is warmed up.

Nothing else to build or purchase! Total cost in most cases for parts, about the cost of a meal at Burger King.

To remove and put on another vehicle, just remove the modification and tape the two holes up you drilled so the dirty air will not get in to the engine after the air cleaner.

This modification can then be reinstalled in your next vehicle with a MAF sensor, as long as the measurements are the same and it will perform the same way it did with the first vehicle.

Re-set the stops as before and enjoy your gas mileage improvement and savings!

You can purchase my complete instructions and plans for making this modification for your vehicle in a PDF document sent to you via email that will show you how to build my fuel saver modification!
I am sharing my invention with you because my effort to patent it is too expensive!

Send your order via the PayPal button below with ($19.95)
You do not need a PayPal account to order!
To PayPal account
The pdf file will come from Hamuniverse.com, not the author of this article!
You will receive the pdf instructions and plans in your email usually within 24 hours!
Don't forget to include your email address in the order and state
"Fuel Saver pdf" in the order.

I do not state that this device will fit YOUR vehicle unless you have room and the proper requirements as stated above.
By ordering, YOU, assume full responsibility and liability by installing this on your vehicle and neither I, Leonard Shick, nor anyone at Hamuniverse.com will be held liable in any way if you order and install this modification....

Special Introductory pricing is $19.95 for the pdf instructions emailed to you...
Order below using the PayPal Buy Now button!

You will be happy at the gas savings you will get if installed properly!
Leonard Shick - WB3AYW