I have the H.H.O. System installed on every vehicle that I own, including my 4-wheeler!

Plus, I've manufactured and installed the system on several other vehicles!

My first install was on my 1 ton, dual wheel Chevy Wrecker Towing Truck with a 350 CI engine and automatic transmission.  After Installing the H.H.O. System onto the truck, my MPG improved from just under 10MPG to near 30MPG!!! I gotta tell you, I was happier than a lil child lost in a candy factory!  However; After about a tank of gas, I had already lost about 10MPG.... Not to mention my truck was running like crap!  Over the course of about a month and a half, my truck ran worse and worse and my MPG dwendled back down to 10 MPG or below. Now, I gotta tell you, this really sucked!  But, I still had the faith, because I already knew what my initial gain was before my truck's computer went awol! I began to tweak the timming and restructuring the system with little improvement in fuel efficiency, but my truck was running much better.  Over the course of about another month, I began adding items like the .50¢ O2 sensor enhancer and finally the MAF Sensor enhancer.  My MPG is now back up to nearly 14 MPG (13.8)! Now, that's not very good compared to my initial gain, but hey, at near 14 MPG, that is a nearly 40% increase from my original 10 MPG!  My goal is to reach that 30 MPG again and I have all the confidence in this world that I will achieve that goal! I've already experienced it once, so I know it is possible and that is where I want to go again!  I am headed in the right direction, I get a little more gain each week and I am confident that I will reach 30 MPG again and willing to keep trying until I do!! 

Together, we can all contribute to perfecting this wonderful H.H.O. Technology!

**NOTE* My best install yet is on a 1992 Chevy 1500 Work Truck with a 4.3 Vortex, 5-speed transmission and a commercial fleet computer chip from factory. Now running for over two months with more power, smoother start and running and greatly improved fuel efficiency and absolutely no problems with absolutely no adjustments or maintenence since installation!  I'm thinking that there has to be a difference between the computer chips on commercial fleet vehicles and regular retail vehicles.  Maybe someone else has made a similar observation?  Good Luck to All!  Jim Johnson  (502) 243-7810


We manufacture and install H.H.O. Systems, as well as, wholesale supplier of H.H.O. parts, electronic components, kits and complete systems.

All H.H.O. products (parts, kits, systems) that we sell includes a Full One Year Warranty, repair or replacement at our discretion.

I am using only two cells (2 X 1 qt. containers) on my 1-ton Chevy truck and 1/2 ton pick up. I have experimented with a quantity equal to five cells. My intentions are to add more cells in the future, but I have been experimenting with various types cells and electrolyzers and want to tally all the results before adding more cells.  I started out using two cells and then tried only one cell on a different vehicle and gained about half the efficiency.  It is my experience that using two cells nearly doubles the efficiency of only one cell..... However; I do not believe doubling or trippling the number of cells (2-4-8 & etc.) will neccessarily double or tripple my fuel mileage.... In my own opinion, I believe that my particular construction of the two cells I've made produces an ample amount of hydrogen vapor to raise my MPG to peak efficiency.  I will experiment with several cells in the near future just to make sure, but I am thinking that all over a certain (ample) amount will simply convert to waste or excess due to my vehicle's fuel computer system. 

*Personally, I think the key to reaching peak fuel efficiency for a particular vehicle is to discover that certain point of "or ample" H.H.O. production that best accommodates that vehicle's fuel computer system.  The Hydrogen On Demand system "H.H.O. production"  is merely an enhancement to gasoline or diesel when mixed in a proportionate amount and greatly improves horse power, fuel efficiency and produces cleaner emmissions due to it's charactoristics.  The key is in producing just the right amount of hydrogen vapor and then tweaking your vehicle's ECM to an optimal point through the use of MAF/MAP sensor enhancer and other available sensor enhancers.  This is just my own personal opinion, but so far my personal results are backing it up.

Hope this helps,

Jim Johnson


We manufacture and install H.H.O. Systems, as well as, wholesale supplier of H.H.O. parts, electronic components, kits and complete systems.

All H.H.O. products (parts, kits, systems) that we sell includes a Full One Year Warranty, repair or replacement at our discretion.

I Like your thinking!

I too have a 4.3 vortex V6 2000 chev 1500. I just discovered that there is no MAP sensor but a MAF on this vehicle. I have extenders with wraps...triple jar generator- and running A3X10 fuel additive. the best was 15% increase going from 13 -15 but averaging about 14.5 mpg.  oddly the MAF sensor pages have dissappeared from my book they are black-Blank ...Is this My book or everyones.. I musta missed the email announcement.! Not Happy but determined..... I wanna see 26mpg. Llook forward to sharing results and experiments. I think the answer is EFIE. trying to negotiate one now. I understand that the MAF sensor details are complicated and it is not an electronic solution but mechanical...any thoughts or experiences on this item.

Rich  aka  skmginc99

"As Iron Sharpens Iron...One Man Sharpens Another" Proverbs: 27-17 <><

Sarasota,Florida
2003 Neon
2000 Chev P/U 1500 4.3L v6 
1998 Chevy Blazer (next)
Drinkin' the Stuff !  Hexavalent Chromium ?????????

Since you've found your MAF sensor, study how it's set up, and determine how best to decrease the flow of air into the sensor. 

Water Man

Water Man       

Welcome to the forum and keep up the good work!

I'll be looking forward to reading more of your posts in the near future!

Best regards,

Jim Johnson


We manufacture and install H.H.O. Systems, as well as, wholesale supplier of H.H.O. parts, electronic components, kits and complete systems.

All H.H.O. products (parts, kits, systems) that we sell includes a Full One Year Warranty, repair or replacement at our discretion.

  Stay "tuned", so to speak,

  A bit more experimentation, and I have discovered that you do not need the MAF enhancer ANYMORE. (I'm willing to bet you don't need a MAP enhancer either, but I don't have a MAP vehicle, so I can't test that theory...YET)

Interesting, isn't it?

Recent test (today - 148 miles combo HWY/CTY 60/40 split)  40.6 MPG NO MAF ENHANCER USED !!!!!!!!!!!!!!!

  Speeds ranged from 60-75mph HWY, (but I tried to keep it at 65.) and city was bumper to bumper, stop and go, with traffic lites, etc.  Also, the last 30 miles, (city-35 to 45 MPH), I was hauling a load in my truck that weighed an extra 380 Lbs.

Unfortunately, it seems that the great increases in MPG are coming from the fact that The A/F ratio has been leaned out by restricting my MAF sensor flow.  Same thing as using a MAF enhancer.

So it seems that restricting the air flow to the MAF enhancer does work, but it accomplishes the same thing as as a DEMSE, only, mechanically.

.

Water Man       

In regard to your post 09-27-08 about the chevy 5.7 being among the best for MPG gain.....

My dually is a 1992 3500 ext. cab chevy with a new 5.7 crate engine. I am running an R700 with 388 gears.  I get on down the road 80 or 90mph with the best of them!  Most usually, I pick up cars around town where I work and drag them back to my yard in the country. It is over 100 miles from my home to my workplace and shop, so I demand high gears for good speed.  I use a 24volt electric over hydraulics 6000lb system for my wreckering and wheel lift.... These gears and the performance are perfect for my circumstances....  I average between 1900 and 2250 RPMs on the Interstate, depending if or what I am towing...

I have absolutely no problem with temp., whatsoever.... It has a brand new thermostat, but in the winter, I must put a cardboard sheet across the radiator to get ample heat inside.... *It also has a new 4 core radiator.

Currently, and for some time, I run 2 quart jars chained on one lead and a quart jar plus one gallon jug chained on a seperate lead. I achieved the near 30 MPG with only the 3 quart jars/electrolyzers. I am using only one vacuum hose routed directly into the intake center manafold below the throttle body. My efficiency fell from the near 30 MPG back to the original of only 10 MPG, + or - a couple tenths.....  I am now back up to around 16MPG, consistantly. My goal is to reach the near 30 again....

As far as, AMPs, I don't even measure anything, anymore until the units are nice and HOT!....  My amperage draw on this system is fairly consistant at 10.4 amps, after heating up... I am satisfied with the current efficiency, only if I must be! lol...  I want to get back to that near 30MPG and I wont stop until I do or I at least learn the reason why not...

It seems that I am pretty much in tune with your suggestions, but thanks for the great advise, anyway... As they say, "Great minds think alike"!....

Best,

Jim Johnson


We manufacture and install H.H.O. Systems, as well as, wholesale supplier of H.H.O. parts, electronic components, kits and complete systems.

All H.H.O. products (parts, kits, systems) that we sell includes a Full One Year Warranty, repair or replacement at our discretion.