Computers & Programming

LS1 Edit allows us to directly modify the software in the PCM of your 1997 - 2003 Corvette, Camaro or Trans Am.  LS1 Edit does not require you to pull the car apart to get things happening. You just slip the cable in under the dash - it's that easy !!

With LS1 Edit you can modify the following:

Limiters:
Four Idle Speed Tables
Five RPM Limits
RPM limit By Gear Table
RPM Limit by Temperature
RPM Limit Delay

Fuel:
Fuel Air Ratio Table
Volumetric Efficiency Table
MAF calibration Table
Fuel Pressure versus voltage
Fuel Injector flow rate Manifold vacuum
Fuel injector Offset Table
Power Enrichment vs Temp Table
Power enrichment versus RPM Table
Wide Open Throttle Hot & Cold Tables
Closed Loop Enable vs Temperature

Timing:
High and Low Octane Spark Adv. vs RPM vs Load
Base Spark Advance in Gear, and In neutral Tables
four Knock retard Tables
3 Torque Management tables
6 Knock Learn Parameters
Maximum Torque Parameter


Engine Diagnostics:
You can change the mode of 64 different Diagnostic Tests

Transmission:
A4 Shift Speed
Normal Mode Shift Speed vs Throttle position for each Up and Down Shift
Performance Mode Shift Speed vs Throttle position for each Up and Down Shift
Wide Open Throttle Shift Parameters
A4 Shift Firmness
Force Motor Current vs Temperature vs Throttle Position
Desired Shift time vs Torque for each Up and Down Shift
Torque Reduction vs RPM
TCC lock tables
Normal Mode TCC lock speed for each gear by Throttle Position
Performance Mode TCC lock speed for each gear by Throttle Position
Cruise Mode TCC lock speed for each gear by Throttle Position
Normal Mode TCC release speed for each gear by Throttle Position
Performance Mode TCC release speed for each gear by Throttle Position
Cruise Mode TCC release speed for each gear by Throttle Position

System:
Low and High Speed Fan Temperatures
VATS disable
Gear and Tire size scaling
Speed Limiters

Contact Jeff LeMaster to make an appointment to reprogram your PCM.
Phone: 205-251-1472
Email: jeff@hesco.us

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