Heffner Lamborghini Gallardo with 930HP at the Wheels!Heffner, as in Heffner Performance has introduced a special tuning package for the Lamborghini Gallardo that could stir the same havoc as a pin-up model on Hugh Hefner’s Playboy magazine centerfold. The Florida-based firm has enhanced the Gallardo’s 5.0-liter V10 engine with the addition of twin-turbos, polished crankshaft journals, a new