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So on the engine note..... I looked around, is there any good threads about building an engine for eco? like thin titanium rods, knife edged crank, lightweight short skirt pistons? 13:1 like compression, turbocharging with economy in mind, I did see the lean burn tuning..... on that note, is there anything about the D15Z that makes it suitable for lean burn use, or is it all in the tune?
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2001 Insight 11.5:1 K20a3 turbo / 04 Element
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