Quote:
Originally Posted by BLSTIC
Also, seeing as you're aiming for such high compression AND low rpm cylinder filling, water injection seems like a thing you want. Octane on demand. Given that a combo tuned almost exclusively for low rpm will have poor cylinder filling at high rpm (and you won't need the water injection), a single stage system aught to do. High, high, high pressure low-flow pump & nozzle for best atomisation, triggered above 75% load.
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Water injection seems to be a good add-on. BTW since some alcohol (usually methanol) is blended in order to prevent freezing, would eventually iso-butanol also serve for that purpose?