[Diy_efi] water injection

ian spyro
Thu Sep 6 13:41:51 UTC 2007

On Thu, 2007-09-06 at 06:30 -0500, David Allen wrote:
> One I've seen uses a Vickers Vane hydraulic pump, which was the
> original steering pump on the engine.  The man I talked to mixes his
> water with soluble oil (as used for machinist's tool cooling) to
> protect the pump; and injects at over 1000 PSI through nozzles like
> used on a pressure-washer. Injection is per-cylinder at the intake
> ports,  plus one nozzle just after the last turbo at the inlet of the
> intake manifold. There is a lot of water, but I'm not sure the exact
> volume. 

As Im going for a daily driver, I am aiming to use minimal water as
efficiently as possible... and its a tiny engine so a small plenum (2
litre plenum max at a guess) so a single point injector should be ok...

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