So my uncle's brother increased his fuel economy by 150 miles per tank by using hydrogen injection through electrolysis. Also allowed him to run more boost without risk of detonation. His afr is ridiculously lean. Simple to make too. I'm looking into it and after seeing how many prototypes he had I have a fairly good idea of how to try it.

Wondering if anyone else has heard of this?

I might just do a custom meth kit but I want to try this first since meth won't help mpg.

However I got 402 miles on my tank today doing 95% highway from RI to NY to NJ back to NY and back home. The light came on for low fuel as I was pulling into shell. How big is our tank?

About gas tank size.

1997 18 gallon
1998 18 gallon
1999 17 gallon
2000 17 gallon
2001 17.50 gallon
2002 17.50 gallon
2003 17.50 gallon

Last weekend, my gas tank is really low and light went on. I have reach 504 miles of full of tank. I fill it up for 16 gallon. I probably have gone like 530 mileage or whatever for 1.50 gallon left.

On my way back from Corpus last weekend, I averaged 26 mpg at 70mph with the a/c on and extra weight in the trunk. That's 455 miles for a full tank, and I'm quite happy with that. lol

My dad looked into doing this on his Explorer, since he has an hour and a half round trip commute to work which is all highway. He ended up not doing it because he said the PCM gets screwed up and tries to dump more fuel in the car because it can't notice the hydrogen or something.

I think he said on cars 96+ or something that the PCM dumps more fuel in, but I'm sure that can be worked around with a tuned PCM. What kinda car did your brother do it on?

Post some pics of his setup if you have any.

It doesn't work.

Don't buy the hype. Those that claim increases unconsciencely change their pedal habits and increase the mileage without realizing it.

i got 25.6 mpg yesterday and that was loaded down doing about 75/80 yesterday i guess it pays not to go WOT all the time lol

I also was averaging around 26/27 mpg on my trip yesterday, and that was with a few times going WOT to get away from idiots.

Mine was able to pull about 31mpgs on the highway. Advancing the cruising timing FTW.

Chris, I would really like to hear details. I wouldn't believe it but if it's someone close to you, and has proof, I'm listening.

Ill have to see on the afr issue. He has 2 of them. 1 in his GTI and he is putting the other in his explorer. It makes sense but like I said still protoypes. But in his GTI he said he made 100 miles more on city/pkwy driving. He wants to do a long drive to really see what it can do.

Don't get me wrong I posted on here asking because I am skeptical myself about it but I did an electrolysis project in High school and made exploding balloons obviously I couldn't do live demonstrations but it was fun lol. Figure the way he has them set up its not hard to do but Ill see how it works.

if it really works why havent automakers done it already. im not saying it dont, i dont have a clue, but im thinking its a hoax.

A guy at my work says he's done it and it "helps".
I think what helps more than the H is the driver being extra easy on the throttle, trying to get even better mileage.

I'm not trying to sound like a paranoid person all caught up in a conspiracy theory but I'm sure auto manufacturers are in alliance with oil companies.

Why would they want your car to use less gas? They make them just efficient enough to keep you buying them.

We have the technology to send us in space, have a 2 ton machine peel the skin off a grape and find chit millions of light years away but we haven't made the average vehicle go 1000 miles on 20 gallons of fuel? (by fuel I don't just mean gasoline)

Ignorance is bliss they say.

I totally agree that oil conglomerates control the auto industry and most of the economy.

Less fuel but more power and great fuel economy scares the crap out of em.

Exactly.

I'm sorry I don't buy the conspiracy theory because way too many people would have to be involved.

So you get 31mpg in a grand prix?