Focus ST 2.3-liter Engine Swap

EditorTurner

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0 0 Ford Performance 2.3-liter Focus ST Featured.jpg
Bigger & Better
Ford Performance Racing Parts swaps a 2.3-liter EcoBoost into a Focus ST
By Steve Turner
Photos courtesy of Ford Performance Racing Parts

From the moment Ford equipped the Mustang with the 2.3-liter EcoBoost engine and the Focus RS was slated to receive an even more powerful 2.3, Focus ST owners were jealous. Maybe you won’t admit it, but as a proud Focus ST driver, your author was definitely a bit green with envy. While the EcoBoost platform has turned adage that there’s no replacement for displacement on its ear, there’s still something to that extra grunt available from a bigger engine—even if it’s only .3 liters bigger.
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SD_Stang

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What tire size are they running on the RS wheels? I would think 245/35 19's? Just curious if you could fit a 255 without rubbing.
 

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