Hummer JET Performance Chips and Programmers

Hummer JET Performance Chips and Programmers

JET Performance Products are developed at state of the art facility in Huntington Beach, California using the latest Dynamometer Techniques and computer monitoring equipment to insure all JET chips and modules are tuned for the maximum torque and horsepower gains throughout the RPM band.

The programming changes to each JET chip are extensive and include modified spark advance tables, air fuel ratio modification, torque converter lockup (in automatics), shift improvement in electronic automatic transmission and various other parameters to optimize the torque and horsepower curve for each individual application. Chassis Dynamometer tuning allows JET to develop a specific program for each application.

Every vehicle is first tested in a stock configuration to get baseline dynamometer and track times. To do this the vehicle is connected to JET's custom data acquisition system to monitor various sensors. Engine temperature, spark advance and air/fuel ratios, all this data is then recorded and stored away for later comparison.

From there we start to modify the spark advance and fuel curve in 500 rpm increments until we achieve the maximum torque and horsepower at the drive wheels in each rpm and load range, this allows turning under all types of various driving conditions and not just wide open throttle, a decisive advantage to the JET chip!

All the Data is stored on disk and transferred to the JET chip program so thorough track and street testing can be done under "real world driving conditions" to assure the Dyno results prove out on the road in decreased 0-60 mph times and quicker ¼ miles acceleration.

Frequently Asked Questions

How will JET Performance Power Tuning affect my gas mileage?
  • How will JET Performance Power Tuning affect my gas mileage? JET Performance Power Tuning does not alter your vehicles calibrations in any way that would hurt fuel economy. Fuel economy will remain virtually the same or may even improve (depending upon specific driving patterns) unless the vehicle is driven in a spirited manner (lead foot). For trucks that tow, JET Performance's Power Tuning is generally closer to the better fuel economy than the stock tuning. So in addition to power gains, a vehicle that tows with JET Performance installed will often exhibit better mileage than one with stock tuning.

Will JET Performance tuning void my warranty?
What performance increase can I expect from JET Performance Tuning?
What's the difference between Stage 1 and Stage 2 Power Tuning?
If JET Performance Power Tuning is so great, why didn't the factories do it that way?
Will Power Tuning hurt my engine in any way?
What happens if I have or plan to install other aftermarket equipment?
How does JET Performance Power Tuning change the way my engine performs?
Are JET Performance Chips emissions legal?
Does JET Performance remove the speed and rev limiters?