Quote:
Originally Posted by RustyLugNut
If an engine cannot operate at 20:1 AFR and I stretch the ability to run and still maintain the same torque output but at 22:1 AFR, I don't see why I cannot claim the 10% gain since it is only attributable to the addition of HHO.
Of course we are talking about a system add on, not a simple performance part.
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And, as I was pointing out, you can run very, very lean AFRs with water injection because of the knock prevention. AFRs far in excess of 20:1 are achieveable with water injection (with proper injection timing and nozzle sizes).
Actually, with certain motors, you can achieve 22:1 at cruise under lean burn without water... but obviously, not under load. My motor would see 18:1 to 22:1 after retuning (and still making more power!). And that was without water injection. Merely fuel and ignition adjustment.
This is why you need to break down the effects.