<VV> Water injection question

[Frank F Parker]

If you do not have a check valve in the water line close to the nozzle, 
get one so the water can not drain back after you have used it and the 
pump does not have to refill the line to nozzle and thus cause a delay
in water onset.

frank





On Fri, 22 Oct 2010, Carlton Smith wrote:

> I have been using Warren's water injection system for a year now. I have a
> stock looking setup other than I have an E flow Ray Jay turbine. So I can
> basically boost at will with enough engine RPS. This caused knocking with 93
> octane fuel pretty quickly. The water injection stops that nearly instantly
> as long as the water lines are primed. I boost almost everytime I get in the
> car and drive it. Which has been every day this summer. I cannot tell if
> anything negative has been happening to my compressor blades. It still is
> boosting like a banshee and the car runs great!
>
> Carlton Smith
> Indianapolis, IN
> 1965 Corsa convert. 180 Turbo
>
> -----Original Message-----
> From: virtualvairs-bounces at corvair.org
> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of levair at aol.com
> Sent: Friday, October 22, 2010 10:11 AM
> To: wrokit at hotmail.com; virtualvairs at corvair.org
> Subject: Re: <VV> Water injection question
>
> I've used water injection for years before the compressor.
> My system used a tank pressurized by turbo boost which is therefore
> proportional to boost.
> The calibrated leak to determine injection onset is used to further
> vaporize the mist of water by blowing on the water nozzle outlet. .
>  No problems yet---gas line antifreeze added in winter..
>
> Warren
>
> -----Original Message-----
> From: kevin nash <wrokit at hotmail.com>
> To: virtualvairs at corvair.org <virtualvairs at corvair.org>
> Sent: Fri, Oct 22, 2010 12:08 am
> Subject: Re: <VV> Water injection question
>
>
>
>>
>> Message: 1
>> Date: Thu, 21 Oct 2010 16:47:05 -0700
>> From: "jimster1" <jimster1 at earthlink.net>
>> Subject: <VV> Water injection question.
>> To: <VirtualVairs at corvair.org>
>> Message-ID: <817B5B2C863740D894C96D0144C0B7A1 at daddy>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> I'm in the process of getting ready to install my DCOE and I think
> water
>> injection is a good form of insurance. The question is, should one
> inject
>> before or after the turbo. I have no pump at the moment so that is not
>> (yet) a factor. All you water dogs, please chime in.
>>
>> Jim
>>
>   Jim- Yes, you can inject before the turbo- but only if you can get
> the water droplet size down to the same size as the gasoline droplets,
> which are approximately
>   50 microns (?). A little larger than that and the turbo starts
> slinging water into the sides of the housing, then pools up in the
> bottom of the housing, and can then
>   gravity feed to the rest of the engine. Bad news! If the water
> droplets are alot larger than the maximum size, its about as good for
> the turbo as shooting rocks
>   in there! To ensure proper atomization, you need lots of pressure, at
> least 100 psi. If you get a 100psi+ pump, you dont really have much of
> a reason to be injecting
>   from the draw side anymore. The only reason people ever did draw thru
> water injection was to avoid having to use such high pressure pumps-
> you WILL ruin
>   your turbo very quickly if you try a poorly atomized injection from
> the draw side.
>  Kevin Nash
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