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Old 03-29-2010, 02:19 PM   #1
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Improve Fuel Efficiency by over 15%???

Does anyone have any info. on the following device?

A Current Regulating Vehicle Fuel Efficiency Booster. Its advertised in the most recent Hammacher Schlemmer catalog. It plugs into the DC outlet and " stabilizes the electrical currect flowing into the ECU ( the computer that controls the engine's fuel injection and ignition systems) to improve gas mileage". It works by mitigating electrical interference from the lights, stero, etc. that can negatively affect the ECU's ability to optimize fuel injection and efficiency. It is supposed to increase fuel efficiency by 20% +. It cost $80.

We have purchased several other items from this vendor and have been pleased with all of them. Plus thay have a no questions asked lifetime guarantee.

John
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Old 03-29-2010, 02:30 PM   #2
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Well when it comes to something like that,it sounds like 2006 Bambi for $3800.,but try it if it works let us know ,5% would help me. Dave
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Old 03-29-2010, 02:43 PM   #3
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Old 03-29-2010, 02:45 PM   #4
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if it was that easy, I would ask, why the major car factories do not use it, they are under the gun to improve mpg, and 20% would get thier attention. I call BS
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Old 03-29-2010, 03:09 PM   #5
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I don't really see how "electrically" that can be - plus there are already "filters" protecting the ECU....

As other have said - if it were that easy the manufactures would already be doing it - we know how important gas mileage has been lately when selling a car....

My feedback - don't mess with anything that messes with your electronics on your vehicle - I still get shivers back when my "LED" trailer lights were "wigging" out my Cayenne.....
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Old 03-29-2010, 03:11 PM   #6
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Thanks, guys. I kindda thought as much.

John
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Old 03-29-2010, 04:22 PM   #7
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we once had a scam in the netherlands. for 25 guilders (10 euros) you would be sent the latest in fuel efficiency gadgets.... turning out to be a log of wood with instructions how to fit under your gas pedal.....

Actually, come to think of it, when fitted it would have lowered consumption so it wasn't a scam at all....

Wiebe
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Old 03-29-2010, 04:42 PM   #8
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Reminds me of a couple of recent schemes: the "Tornado" you put in your air intake and another using water and electricity to generate hydrogen gas. Lots of others in the past, but I never met anyone who said any of these work. You could be the first. Let me know.

The one device that does look like it will save a couple of gallons is installing a vacuum gauge, but this has been around for ever.
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Old 03-29-2010, 04:44 PM   #9
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Claims like these have been around since the Model T days. There have been literally thousands of such devices "invented " over the years. I don't know of a single one that had any substance to it.

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Old 03-29-2010, 04:45 PM   #10
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Old 03-29-2010, 05:38 PM   #11
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Magnets

No guys, go with magnets. The very strong rare-earth magnets have taken the science to an entirely new level. Properly installed, these will align and spin the molecules so the gas/air mixture more efficiently atomizes. Combustion is greatly increased. NOT. If it sounds too good . . .

We tried this on our cooling towers over 20 years ago. The vendor provided them free, we installed and monitored very very closely with excellent DDC system and corrosion coupons. Claim was to reduce the chemicals needed to reduce corrosion. The corrosion coupons fairly promptly showed the claims were baloney, we ended the test early.
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Old 03-29-2010, 06:10 PM   #12
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JC Whitney had a plethora of these devices in their catalog. I figure if you put them all in with 10% here and 10% there you could drive forever on one tank of gas. There were 2 devices that actually worked, water injection and high intensity spark plugs. Only problem with the water injector is you had to stop about every mile to adjust it. Only one problem with the new fangled spark plug was it burned a hole through your piston head.
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Old 03-29-2010, 06:22 PM   #13
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Double-ditto to Jammer in post #3. http://www.airforums.com/forums/f159...cam-41404.html
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Old 04-07-2010, 06:32 PM   #14
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Thumbs up Maybe the carmakers have been using this, for the last 2 years.

Applications for this device have a strange limit: Not for use with cars made within the lst 2 years. A huckster will take every buyer he can, and the newest cars get the most $$ spent on trying to improved performance. Why would the maker removed the 2 most profitable years of gizmo buyers unless he knew this he had a gizmo that 'Detroit' put into play 2 years ago?

Anyone know someone else besides HS that sells it?
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Old 04-07-2010, 07:22 PM   #15
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I know nothing about this device, but I know for a fact that in the distant past "Automakers" have purchased patented devices that they have then shelved once they owned them - because they worked!

Carol
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Old 04-07-2010, 09:30 PM   #16
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This device is not the path to improved fuel efficiency. The ECM is already designed as necessary to work properly, and will not give up a 15% efficiency loss.

The future path to gas engine efficiency will be incremental steps.

1. Continued improvement in vehicle aerodynamics.
2...Weight reductions, more costly lightweight materials.
3. Continued reduction of friction in drivetrain components.
4. Direct fuel injection could allow more optimum compression ratios and ignition timing.
5. Smaller displacement turbocharged engines.
6. Lean burn engines (leaner than 14.7 to 1) if the NOX issue can be solved. If so engines could combine # 4, 5, and 6 and be somewhat of a melding of gas/diesel technology at least at some part throttle ranges. But the NOX issue has been the stopper here.
7. Regenerative braking.
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Old 04-07-2010, 11:53 PM   #17
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Originally Posted by tpi View Post
This device is not the path to improved fuel efficiency. The ECM is already designed as necessary to work properly, and will not give up a 15% efficiency loss.

ECM may be designed to "work properly", but there was a time before ECU\ECM had emerged as a concept that the substitution of electronic fuel injection systems for carburetion was the be-all of electronic control.

More recently, for years now every automaker in the world has had engineering teams working to reverse-engineer "Trionic", Saab's revolutionary system for controlling automotive operations which make ECU seem like hand-cranking.

No small tweaks possible upon today's systems? There's always a tweak to be had.
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Old 04-08-2010, 01:37 AM   #18
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. . . There's always a tweak to be had.
Taken out of context that sounds a lot like "there's a sucker born everyday" . . . which put back in the context of this thread - IMO, fits.
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Old 04-08-2010, 08:38 AM   #19
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I put four fuel saving devices on my car. One reduced gas consumption by 30%, another by 40% and the other 2 by 20% each. I had to take them off as I got tired of stopping to drain the excess gas out of my tank, as I was saving 110% of the fuel I was buying!
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Old 04-08-2010, 09:03 AM   #20
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No small tweaks possible upon today's systems? There's always a tweak to be had.
The claimed 20% is not a "small tweak". In fact it is huge considering gasoline engine efficiency is 25-30%. The highest efficiency internal combustion engines (without cogeneration) are a little over 50% for large diesels. Do you really think this 20%+ tweak would push automotive gasoline engines towards this realm? And if it were as easy as filtering the DC why hasn't it been done? Getting a couple percent increase from a gas engine is huge these days. And it takes a lot of work to do it.
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