Water Injection (Was: Re: Wide Ratio O2)

[Bernie Jacobsen]

Rob,

Do you see water injection as a substantial benefit on a NON-turbo engine
(to increase efficiency)?
Inject ALL the time??? how would this translate to a nat. asp. application?

^Bernie

-----Original Message-----
From: Robert Humphris <r.humphris at indigo-avs.com>
To: 'diy_efi at efi332.eng.ohio-state.edu' <diy_efi at efi332.eng.ohio-state.edu>
Date: Tuesday, March 24, 1998 4:02 AM
Subject: RE: Water Injection (Was: Re: Wide Ratio O2)


>This water injection does work a treat.  I performance developer that I
>know uses water instead of bigger intercoolers.  What does he know? well
>he drives his 200+bhp 1.4 liter engined car 100-200 miles to a track
>races all day and drives it home, without removing his cone shaped hat!
>He runs 28psi of pressure, on an engine with a comp ratio a little over
>8:1.
>
>What has been found is that the water seems to help the spark discharge
>better, and temperatures are cooler all over the engine.  
>
>On removing the head after several thousand miles, the combustion
>chamber and pistons were coke free, they looked cleaner than when they
>were fitted ( steam cleaned?).
>
>Water injection helps you pass emission tests.  Lean your mixture a
>little before you go to the testing station, and ensure the water is
>being injected all the time.
>
>The one problem I can see with water injection is that of rust.  What I
>would like to do is get one of the Bosch fuel pumps that can be shimmed
>to give 150psi, and use an injector. trouble is that these will probably
>rust unless I run some anti freeze as well.
>
>Rob Humphris
>
>
>If you are thinking of using a cone shaped hat for water injection, make
>sure it isn't a paper one.
>
>>
>