Designed as an alternative to factory systems that lacks total control. The BS3 System allows complete control over fuel and timing. Here are some of the features of the LS Systems:

• All Systems include Wide Band O2 Control.


• Sequential Fuel Control for 4, 6, 8, 10, 12, 16 cylinders.


• Capable of driving 16 low impedance injectors-Staged!!


• Individual cylinder fuel and timing control.


• Injector phasing, at the start or end of injection event.


• Configurable Load and RPM axis to enable optimization in YOUR desired range.


• Seamless Decel Fuel Cut-off.


• 2 Step rev limiter


• Auxiliary control of 2 Fuel Pumps, High and Low Fans, and 2 or 3 stage boost control(which can be used for nitrous retards).

Additional options include GM Trans controller, DAI and DAE..

For a more detailed description of these features see: Big Stuff 3 Options

Note: All systems come with ECU, 5' Comm Cable, Software, and applicable harnesses. They DO NOT include injectors or sensors. Injectors and sensors are available from ASSC seperately.

While this systems is a plug in for LS engines and special COP applications, it is not a direct replacement for Corvette, Camaro and Firebird Applications. The use of this system without the factory PCM in place will not allow the gauges to function in the vehicle.

All Systems ASSC sells come with a base calibration for your engine combination. Please answer questions when proccessing your order so we may be able to get the proper ECU Configuration and Calibration for your combination.