[Diy_efi] water injection

David Allen davida1
Thu Sep 6 14:08:24 UTC 2007

I agree with you on a daily driver! I just wanted to throw that out since 
diesels had been brought up and it is kind of interesting.   Keep us posted 
on your progress!

----- Original Message ----- 
From: "ian" <spyro at f2s.com>
To: <diy_efi at diy-efi.org>
Sent: Thursday, September 06, 2007 8:41 AM
Subject: Re: [Diy_efi] water injection

> 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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