Page 10 of Honda 06 Civic Coupe / Si by Honda Motors

Z3 K20 max hp 197 max rpm 8000 cr 11:1 3-rocker i-VTEC for a broad powerband. Balance shafts for smooth running. i-VTEC uses two different cam profiles, one for low rpms and one for high, keeping power output up across the rev range. And variable timing control (VTC) gives the Si a bigger boost in both power and economy. Honda s 2.0-liter K20 engine is a legend in the sport-compact world. For the new Si, we took the K20 to the next level. In addition to adding i-VTEC, we upped the compression ratio and included a unique crankshaft balancer for smoother revving up to a stratospheric 8,000-rpm redline. It s just some of the science getting Si near the magical mark of 100 hp per liter. Getting the Si s abundant power down to the pavement is a helical-type limitedslip differential. It transmits torque to the wheel with the most traction, for confident acceleration through the corners. Limited-slip differential for better traction. Lighter pistons for higher revs. Civic Si shown in Fiji Blue Pearl.

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