[s-cars] Water Injection

[Bruce]

One big question I have is where should I inject the water? Outside of the
intercooler seems safest, but most people seem to do it just after the
turbocharger. Any suggestions?

Bruce
----- Original Message -----
From: "mlp" <mlped at qwest.net>
To: "Bruce" <brucem105 at comcast.net>; <s-car-list at audifans.com>
Sent: Saturday, July 06, 2002 9:29 AM
Subject: RE: [s-cars] Water Injection


> Ah ha, there.  Finally found it again.  A slightly better description of
the
> old Old's system,
>
> http://www.tctc.com/~posumrun/mph/pageCLIP/page62JET/62jet.htm
>
> "....This was solved by adding a fluid injection system. A tank of
> "Turbo-Rocket Fluid" (a 50-50 mix of water and alcohol with some rust
> inhibitor added) was mounted under the hood. When the turbocharger
operated,
> it also pressurized this tank and caused a small amount of the fluid to be
> injected into the intake between the carburetor and the turbocharger. The
> fluid evaporated, absorbing heat from the intake air and preventing
> detonation.
>
> Oldsmobile was famous for conservative engineering, and the Jetfire
> turbocharger installation was no exception. A warning light informed the
> driver when the Turbo-Rocket fluid ran low. If it was allowed to run out,
a
> butterfly valve in the throttle body closed to prevent full-power
> acceleration. The wastegate was operated by two diaphragms in case one
> failed. Even if that happened, the cap on the Turbo-Rocket fluid tank
would
> pop off to prevent overboost. And if boost pressure was still too high,
the
> butterfly valve would again shut down the party. One Olds engineer told
Car
> and Driver, "It's 'safetied' to death."
>
> There you go Bruce, ".... a mixture of water, methyl alcohol & a rust
> inhibitor...."
> and Oldsmobile's famous conservative engineering.   What more can you want
> in the way of proven engine safety.  Even the rust inhibitor shouldn't be
> any kind of a problem
> with all the aluminum parts in the Audi's engine.  :-)
>
> mlp
>
> ~-----Original Message-----
> ~From: s-car-On Behalf Of Bruce
>
> ~As usual, I have read so much that I am more confused than when I
> ~started. (Rod, thank you for the great advice and URLs!!).
> ~
> ~In the bang for the buck performance category, and especially
> ~since my car sees a lot of track time, water or water/alcohol
> ~injection seems like a pretty good idea. I am going to try it.
> ~
> ~
>
>