Water Injection

Joseph Obernberger joelori at earthlink.net
Thu Jul 26 11:26:08 GMT 2001


Hi,
    Yes - I'm trying to avoid that for sure!  That is why the setup I'm using
uses two solenoids - which has the added side effect of doubling as an
intercooler sprayer.  But if one solenoid fails, I still don't get a throttle
body/cylinder full of water.  I did purchase a check valve, and might place that
inline between the second solenoid and the throttle body.
Thanks for the input.
                                                    joeo


944Technologist wrote:

> 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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