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It's a 2009 Mazdaspeed 3, but that's about all that's the same engine wise. I'm destroking it down to 2 liters (from 2.3) and making up the difference with rod length, and upping the static compression from 9.5 to 12.5 (the pistons would be 14:1 stock stroke).
I was able to get about 27 MPG on stock engine with a 50/50 mix previously (highway), but with the changes I've made to the engine I hope to get that up over 30 on full e85 in the future.
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