Introduction into HP Tuners GM Gen III training course.

HP Tuners GM Gen III part 1 walks you through downloading & installing the HP Tuners software, creating shortcut links, and opening VCM editor/scanner.

HP Tuners GM Gen III part 2 gives you an overview of the VCM editor software.

HP Tuners GM Gen III part 3 gives you an overview of the VCM scanner software.

HP Tuners GM Gen III part 4 goes over the process of how to read a calibration file, license a calibration file, and finally write (flash) a calibration file. We also cover the process of adding additional credits to the HP tuners cable, and alternative licensing options when a new file is needed.

HP Tuners GM Gen III part 5 walks you through how the GM ecu converts its airmass calculations into an injector pulse-width and spark timing to the engine. Its vital to understand how the GM ecu thinks in order to properly tune it, and we cover all the details you need to know!

HP Tuners GM Gen III part 6 takes a look at the first step in our tuning process; programming the fuel injector characterization data. While very simple, its vital to enter the correct data into our calibration file so at the most basic level the GM ecu can turn its calculated fuel mass into the...

HP Tuners GM Gen III part 7 takes a look at how we can utilize the short + long term fuel trim data in a custom graph template in the VCM scanner software to recalibrate our MAF curve.

HP Tuners GM Gen III part 8 takes a look at converting our calibration file to run in speed density mode (VE based). We also take a look at how we can utilize the short + long term fuel trim data in a custom graph template in the VCM scanner software to recalibrate our VE table.

HP Tuners Part 9 takes a look at how to set up the power enrich setting so we can redefine a desired air/fuel under WOT conditions.

HP Tuners GM Gen III part 10 takes a look at the other fuel tables within our Gen III calibration file. If we have done our job properly entering the correct fuel injector data and calibrating our MAF/VE tables many of the additional tables require little to no editing. We explore what the addi...

HP Tuners GM Gen III part 11 takes a look at the main spark timing table. We dive into how GM characterizes the load input to the spark table, and how to set up the VCM scanner to provide us with the precise amount of ignition timing delivered to the engine at any cell point location in the table.

HP Tuners GM Gen III part 12 takes a look at the spark timing modifiers such as IAT, ECT, EGR, Fuel/Air and others. The VCM scanner software is used to illustrate what spark modifiers are being implemented at any given time in the engine operation so we can effectively tune the modifier tables.

HP Tuners GM Gen III part 13 takes a look at how the knock control works within the GM ecu. We learn what each table does in the knock strategy, how to datalog the knock within the VCM scanner and some tuning strategies.

HP Tuners GM Gen III part 13 takes a look at the burst knock control feature, why its implemented, and how we can use it for our tuning purposes and long term safety factor.

HP Tuners GM Gen III part 15 takes a look at how the idle control works within the GM ecu. We walk you through how to set up the correct channels in the VCM scanner software, how to read the data and finally how to make accurate changes to your calibration file.

HP Tuners GM Gen III part 16 takes a look at how the idle spark control works within the GM ecu. We walk you through setting up the correct VCM scanner channels to report the idle spark offset, and how to properly tune the idle spark tables to find optimal idle spark values.

HP Tuners GM Gen III part 17 takes a look at how the start-up airflow tables work to help with start and after start conditions. We set-up the proper logging channels in the VCM scanner to monitor the start-up airflow, and show cause/effect of programming the tables.

HP Tuners GM Gen III part 18 takes a look at how the throttle follower and throttle cracker tables interact with the idle control routine. We jump into the VCM scanner to add the correct channels to our log list, and review making changes to both tables to illustrate how each works.

HP Tuners GM Gen III part 19 takes a look at the A/C specific idle control adders to compensate for when running the A/C and at idle. We learn how to add the proper channels to our VCM scanner, and some very specific details to properly dial in your idle control with the A/C!

HP Tuners GM Gen III part 20 shows a live demonstration of how to properly calibrate the idle control on a GM gen 3 PCM.

HP Tuners GM Gen III part 21 walks you through the systems portion of the calibration file which includes VATS, radiator fan, a/c control, speed calibration, and more.

HP Tuners GM Gen III part 22 walks you through the engine diagnostics portion of the calibration file. We explore how to raise thresholds for several sensors, and the process to disable unused sensors.