[whitevette]

Originally Posted by johnmyster

Absolute and total made up imaginary BS. Every time someone with any bit of knowledge simply, easily, and quickly debunks this whole HHO sham, there comes out a new "theory" as to why it is beneficial and why the previous bit of scientific logic doesn't apply. First, it was that the combustion of hydrogen gives you energy. Then once that was proven to be a "perpetual motion" scam, it was alleged to be the "quality of combustion" that was enhanced. Then, as soon as it was suggested that complete combustion was achieved anyhow, now someone is saying that it beneficially delays the combustion event? Are you kidding me?

You absolutely want the combustion event to reach completion as close as TDC as possible. This is so that pressure will be maximized for the piston stroke at all possible points. The piston isn't moving quickly at this point, which gives you plenty of time to complete the combustion event. Delaying will give you the same pressure later, but reduce it early on. That's wasted work (pressure*change in volume) that you could have captured.

As long as the main event doesn't happen before TDC (knock) you're fine.

Yes, I took a two semester (six credit hour) course as a grad student on combustion analysis - specifically geared towards ICEs. I don't have that book handy right now, but whatev. Frickin salesmen making up science. It's as if they have stock in PVC pipe or something.

There's a guy over on the S-10 forums talking about how great of mileage he gets with HHO. His truck is ligher than mine, has 3.73 gears rather than 4.10s, fewer accessories, and a short cab. Same motor. Same trans. I was getting better mileage on a totally stock truck. He's spending his time gluing up PVC pipe and hacking his PCM electronics. I'm doing mods that actually work.

"...the combustion event to reach completion" at or near TDC ? Shazam! Not in my engine, please. Cranks break, you know. Rods bend. ARGH ! F. salesmen aren't the only ones making up science! -whitevette