Originally Posted by
franka
Water injection is used in automotive racing. It's sprayed into the intake tract and it cools the intake charge so that the charge shrinks, becomes more dense, allowing more air and fuel to be injested each intake stroke. It works continuously and at all operating rpms very well.
It's also used in supercharged engines for the above reasons but also to prevent detonation.
Where in the Quincy was it injected? From the above posts it sounds like the exhaust stack. But I would not be surprised if it was in the intake tract and served the same function, to make the intake charge denser.
This is a great forum.
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