mark kibort

split fire plugs??? talk to don hanson who spent the greater part of a track day , trying to fish a "prong" out of a then, damaged cylinder. he got it out, but the cylinder was scorred a bit.

water injection?? if you are pinging, its a trade off of air density (water mist, will cool the charge but make the entire charge less dense) however, supercharging, you can cool the intake charge and not loose much density by water injection. thats what is really used for.

MK

sjsj

Maybe a good time for Don to try Brisk plugs or Halo plugs?

Halo plugs providing cleaner emissions due to more complete combustion and better fuel economy.

See http://www.lsgbrisk.com . Added benefit being no need to fish out any prongs or scar the cyclinder. Nice.

sjsj

sjsj

For those wanting fuel economy, many other ways of increasing combustion efficiency and thereby improve fuel economy presented at

http://www.peswiki.com/energy/Directory:Fuel_Efficiency

Includes firestorm plugs, acetone fuel additive, haloplugs, mod-your-own-plugs plus many more.

Enjoy!
sjsj

FlyingDog

What's P.T. Barnum's saying about one being born every minute?

sjsj

Do you believe everything you hear?

I believe someone said the world was flat too once. Rather bizarrely, most people believed it too.

Would that then mean you'd would have been amongst the 'world is flat' crowd?!

Now let's get back on the topic shall we.

sjsj

AO

Sorry sj... it's gonna be hard for you to get street cred around these parts without a vehicle. No offense, just reality.

sjsj

So without a bowl, the Soup **** in Seinfeld would be right in saying "No soup for You"? Would it then be fair to deny the soup candidate entry into the shop, not even granting a trial taste?

"When the Porsche 928 God speaks, all shall listen and follow his lead, for he knows what is best."

No offense, just your reality.

heinrich

Tell us more about yourself sjsj.

928SS

IIRC, our 928's dont conform to established laws of physics anyway, so maybe these magic plugs will be just what we need as an alternative to FI or pricey strokers

if nothing else, they seem to have sparked a flame war just talking about them, so their cyberspace effectiveness is already being demonstrated if they work 1/2 as well in the real world - yeehaa!!

sjsj

Ya. The 928 has been compared to a rocketship (spaceship?), so definitely needs some 21st century technology to let it fly. I too would bypass FI or strokers in the quest for more power if firestorm lives up to the hype.

YEEHAA being the coolest point. Clean, cool burn of fuel. This means complete combustion with NO emissions. Catalytic converter=gone, power levels up yet again.

What does this mean for me? Well, I'm ensuring I don't subscribe to any proprietry ECU in my car to limit my choices down the track. That means Haltech, Motech, EMS, Autronic, etc, are not for consideration. Megasquirt is, because it is public kit.

Really, the creativity of 1000s of people on the Internet at this level incorporated in a public developed piece of hardware makes the offerings by car manufacturers pale in comparison. Kinda the Linux of the ECU world IMHO.
It allows reset the idle rpm, accept wideband sensor input and provide full remapping of the timing, fuelling curves and even incorporate a MAP sensor.
More info at http://www.megasquirt.info

I should perhaps stand corrected. From the literature the firestorm plugs work at 24:1, which wideband sensors can work within. Previously I said 40:1. Good thing is wideband technology can go up to 30:1 air-fuel ratio, so assuming I'm reading that correctly, the current wideband sensors would work with firestorm plugs.

Remapping air/fuel ratio could also be done using the standard ECU, some wideband <-> narrowband conversion box, eg: http://www.techedge.com, DFA/sharktuner/SAFCII, though it would be a kludge of a solution that is still limited to a 1989 ECU brain.

Welcome to the 21st century!!

Cheers,
sjsj

Imo000

Give us some background, please. Some street credit if you will. Do you have any personal experience with any of these products? If yes, what was the result?

inactiveuser92616

I would just like to give a shout out to my homie AMAF

heinrich

SJ, let me put it this way: I think the best thing for you to do is, go buy a Porsche or something else, whatever your heart desires. THEN, go put firepstorm plugs and vortices and spark doublers and electric supercharger and foil in the hubcaps to make it faster, and don't forget the coffee can exhaust .... and a **** the size of grenada ... BUT for us, I think we're doing OK. at least, I say that for my own Porsches. Others can speak for themselves.

SharkSkin

Would we not also be seeing the effects of ingesting air that is denser in the first place? The effect is analagous to having very mild boost (~1psi or less) insofar as the denser air permits more fuel to be injected and burned. The moisture will have some effect, but the part of the difference due to air density is significant.

The FireStorm story does sound interesting. Even more so if true. I would gamble $50 on a set, even if I were the first to try them just to see what happens. That's a moot point though, since they do not seem to be available at any price.

Having a purely mechanical injection system on my beast, the other stuff doesn't really interest me at this point. Things are evolving so fast that I don't see any point in getting all worked up over MAF tuning until I get a car that has one.

sjsj

What if you could use a Jaycar DFA to modify the throttle response of even a AFM (flapper type) air flow meter? Yes, it can do it.

Better yet, what if the DFA would allow any arbitrary, inexpensive voltage based MAF from ebay (eg: Ford, JECS/Nissans & Subarus, Fords, or even the aftermarket Pro-Flow and Pro-M ones that provide very clean airflow passage, not GM frequency-basedo nes) to be used IN PLACE OF the existing AFM? Benefit being better flow and better throttle response because there is now no longer a spring potentiometer (flapper) in the way. Brilliant hey?

The DFA works with AFM (flapper style) air flow meters as well, allowing +50% or -50% correction of the signal at any point. One vehicle I'm doing this has the AFM working from 5V -> 0V. The MAF works from 0V -> 5V, so all I need to do is invert the signal prior to processing by the DFA. Then I use the DFA to provide fine adjustment along 128 points from 0->5V before the signal enters the ECU to as best approximate that volume of air from a spring loaded AFM.
Just need an inversion of the initial signal via an single-chip opamp circuit with a couple of resistors (or hack the DFA instead).

Still a work in progress, but it means no longer limited to crappy AFMs/MAFs from yesteryear. Always wondered how come we can upgrade computers, yet not the ECU and brains in our cars. We just buy new ones? Shame, coz the 928 is look-wise, my favorite and WAY ahead of it's time.

sjsj