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2014 CTS VSport 93 Octane Performance Tuning

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Livernois Motorsports video showing before/after dyno chart for a tuned CTS Vsport

Before: 338 hp / 354 ft-lb of torque

After: 409 hp / 434 ft-lb of torque

All the VSports are automatics, and rated at 420 hp at the crank. with a 20% transmission losses for the auto, that would be 336 whp expected at the wheels; this one measured 338 whp.

So an increase to 409 whp / 0.8 would be ~511 hp at the crank.


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