Water Injection DOES sound too good to be true! But it really works. In addition to the extreme cooling, the presence of water in the combustion mixture lifts the detonation threshold up significantly. As posted elsewhere (by me) I went from 10 psi boost with 96 octane (audible detonation) to 15 psi boost on 91 octane and the detonation was totally gone! Ran it like that for years.
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Warren from PINZ
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