Friday, June 23, 2017

How far could you take (hp) an I4 while keeping it NA?


So I'm thinking different cams, pistons, heads, tune, etc.How and how much hp could you make NA from a Ford Focus I4?Let's say the octane limit is 93 US 0% ethanol and we don't care mpgs, we want power. via /r/cars http://ift.tt/2t3DFIN

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