On the Dyno: Heffner Twin Turbo Murcielago


Almost exactly a year ago, we got tipped off that Underground Racing had built a twin turbo Gallardo, and CarDomain members went predictably bonkers over it. Well, Heffner Performance has upped the ante, and gone ahead and mounted a twin screw system to the Murcielago. Here’s a quote from the company regarding the set-up:

After several long months of development we have completed our twin turbo Murcielago. As of August 2009 we have tuned the car up to 1 bar of boost which resulted in just over 1100 at the wheels. For now we are playing around with the car at various boost levels and documenting the differences in performance with our trusty V Box. In 90 degree heat the car pulled off a 5.10 second 60-130 at around 950 RWHP. For reference a stock 580 horsepower Murcielago takes around 9.5 seconds to make the leap from 60 to 130.  With a little more boost it will dip into the 4 second range for sure.

While I realize some people think this kind of power is absolutely ridiculous, if I had the coin, I’d definitely hand my Raging Bull over to Heffner for a steroid injection. Listen to it scream on the dyno below, and head over to StreetFire for some in-car footage of the beast accelerating on the freeway.



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