Its torque that auto transmissions worry about. And a high HP NA build won't have anywhere near the amount of torque a turbo'd engine makes.
January 2008 Focus Fanatics ROTM
2003 Ford Focus ZX3 2.3l N/A = 221 HP, 162 ft-lbs, firstname.lastname@example.orgMPH
2006 Ford Fusion 2.3l Turbo = 244HP, 247ft-lbs
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