Hypertech's HyperPAC - Hype Up Engine Performance

In years past, it was a major effort of both time and money to increase your vehicle's torque and horsepower by physically removing and replacing engine components like the camshaft, intake manifold, carburetor, injectors, and exhaust.

Today's truck aftermarket computer programmer plug 'n' play technology has been elevated to the next level of modern gasoline and diesel engine performance. Hypertech is one of the innovative leaders in today's electronic computer performance aftermarket. The Hypertech programmer makes adjustments to a vehicle's air/fuel ratio and spark timing. By working with these three factors, the Hypertech programmer is able to increase the engine's horsepower and torque.

The next generation of Hypertech's evolution is the HyperPAC. PAC stands for "Performance Automotive Computer." It is not just a tuning programmer; it is a mini-computer with its own operating system and parameters, like a PC. There are other devices that will reprogram your truck's computer, but the HyperPAC does more. It's as simple as plugging the HyperPAC into the onboard diagnostic port of your truck. This will allow you to tune the engine for maximum power and performance. Hypertech's latest touch 'n' go technology allows you to adjust the rev limiter, transmission shift points, transmission shift firmness, and the speed governor for performance. The HyperPAC will also let you adjust the speedometer and odometer for changes to the stock gear ratio and tire size.

The HyperPAC gives you the ability to adjust your engine's performance "on the fly" through three power selections (stages one, two, and three), which is valuable when towing up a steep grade or if you need extra power on the highway when passing.

We contacted Simon Purvis at Trader's Sport Trucks in Santa Fe Springs, California, to assist us with the simple Hypertech HyperPAC installation. After inserting a fresh memory card in my Canon 10D, I was ready to follow along as Ox Higginson installed and pre-programmed the HyperPAC. Following the no-brainer installation, we took the '06 Chevy Silverado HD 4x4 6.6L Duramax diesel for a test drive.

As we rolled out of the parking lot, Ox selected stage one of the three power/torque modes. There was a noticeable increase in power and torque. After driving for 10 minutes at stage one, Ox switched to stage two, which was felt instantly. The powerband and shift points came on quicker. Then, finally, Ox touched the HyperPAC screen display pad and switched to stage three. The 6.6L Duramax and Allison transmission transformed into a drivetrain on steroids. The torque and power slammed us in our seats!

While enjoying the power and torque increase, it was amazing to be able to visually account for the "real time" vital signs of the engine and transmission.