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800 HP Heffner Twin-Turbo Lamborghini Gallardo Gets a New Set of Lungs - Dyno Run

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Published on Jul 29, 2010

Stock (Factory Rated Flywheel Power):
520 HP SAE @ 8,000 rpm
376 ft lb @ 4,250 rpm

The Heffner Twin Turbo system primary components consist of:
- (2) Ball Bearing "Precision Turbo" Turbochargers
- Air/Water intercooler, intercooler pump, and front mounted heat exchanger
- Running a "modest" boost level of 6 psi, and 91 octane pump gas running through its veins.

Dyno Measured Results @ the Wheels:
592 Wheel HP @ 7800 RPM
450 Wheel TQ @ 4700 RPM


What is the VERDICT?
Let's convert from Wheel HP to Flywheel HP: our powertrain loss on our dyno is 35% for an AWD Lamborghini Gallardo:

592whp X 1.35 = 798.4 flywheel HP
450wtq X 1.35 = 607.5 flywheel TQ

Considering our "Fruit Punch" Arizona blend 91 octane fuel, we would say that Heffner was right on with their 800 HP "bolt-on" kit!

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