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July 6th, 2010 10:32 AM #1
Dear Rusty:
Although one of the reasons that I installed the water-methanol injection system was for the cleaning effect, the cleaning was not as dramatic as I expected.
On the DevilsOwn website you can see before-and-after pictures of a EGR (exhaust gas recirculation) valve that got cleaned by the spray of water-methanol.
The cleaning results were pretty impressive.
The problem is, like you, my engine is NOT a Turbo - therefore it doesn't have the dramatic increase in manifold pressure and air delivery associated with one.
As I have said before, my system has progressive delivery matched to the engine's airflow.
Also I have installed the smallest (D01) nozzle available.
I cannot use a larger nozzle because:
1) the engine simply cannot take such a high delivery without flaming out and shutting down (flooding on a diesel!).
2) the alcohol consumption goes through the roof - the whole 2 liters disappears after 15 to 30 minutes - depending on how you drive.
The small spray makes for a small cleaning effect - unlike with a standard system (pressure-switch controlled) that just turns FULL ON when the trigger pressure is reached - which makes for tremendous washing effect.
Nevertheless the engine always runs better and crisper after turning on the water-methanol so some cleaning definitely does occur.
As to the spray bottle cleaning idea, I do not believe you will be able to match your spray to the engine airflow manually, and if you put in too much water - you could damage your engine (the dreaded hydro-lock).
Another thing that could go wrong is the mixture spray catching fire and BACKFIRING through the intake manifold - with nasty consequences.
Sincerely,
Dusky LimLast edited by duskylim; July 6th, 2010 at 10:39 AM.
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July 6th, 2010 01:11 PM #2That's what I was apprehensive about. Too little and I'm just wasting my time, too much and I'll wreck a perfectly good engine. Also, looking at the nozzles of such systems, a hand pump would produce a coarser mist that might also cause problems.
And the backfire, never thought of the backfire. Thank you sir.
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