Water Injection

[David Hunt]

Yes, I had to fix a blown head gasket on the GN for the blown head gasket
problem.  No rod loss, but had rusting..etc.  Heat enhances rust.  The Buick
dealer printed out a sheet 14 pages long  from his diagnostic machine, none
of which was a blown head gasket.  It took me way too long to
diagnose.....complete rebuild.

dh


----- Original Message -----
From: "Bruce" <nacelp at bright.net>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, July 25, 2001 10:11 PM
Subject: Re: Water Injection


>
>
> Guess we better all go to air cooled engines, heck a blown head gasket can
> fill a cylinder with water.
> Better dump that port type injection, a leaking injector can dump a bunch
of
> fuel in a cylinder.
> Yes, you can fill a cylinder with water, but like you point out thinking
> things out can avoid those pit falls.   A check valve or two can help.
> Like so many things, a failure of a part can cause problems.
> Bruce
>
>
>
> From: "944Technologist" <f_wilk at hotmail.com>
> Subject: Re: Water Injection
> > Caution - Water Injection
> > I had a heated conversation last years with one of California's more
> popular
> > Porsche mechanics. He was dead set against it and would not consider it
> has
> > any merits. He had seen too many engines blown by Hydrolock from water
> > injections systems.
> > I have a 15 year old Edelbrock water injector still new in its box. I
will
> > be putting it on my non-turbo Porsche 944 eventually but I will rethink
> > where to put the spray nozzle. The valves should be uphill from the
spray
> > and it should drain somehow. Whether they siphon water when the engine
is
> > off or the cut off circuitry fails, it is easy to see how you could get
a
> > cylinder full of water. Try to start the engine. Bang! Hydrolocked and a
> rod
> > comes flying through the case.
> > Just wanted to pass this along that injector placement can be tricky.
> > FR Wilk
>
>
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