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I know a guy here that has a WRX (not STI)and he put alchohol injection on his car. He says he is running about 450hp with no knock or anything. He is very knowledgeable about the cars.
Any of you tunners maybe think about that to combat the octane leanness and knock. Im just wondering since he suggested I do it and Im seriously thinking about it. We get at best 92 octane here in Alaska, at least where I am at.
 

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there's no reason youcouldn't use water or alcohol injection to reduce knock/make up for low octane. probably wouldn't be cheap to get set up and tuned, and you'd have to keep a close eye on your alcohol level. i'm also not sure if you'd need to do any engine mgmt. to get it to really work. check out auqamist, they do water injection, not sure who does alcohol.

if nothing else you'd be the coolest kid on the block.
 
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