-Pretune Requirements - Listed Below
GM Family
(Including Trucks)
Tunes Include: (Tuning Rates are subject to change.)
  • OPTIMIZE TIMING TABLES
  • OPTIMIZE FUEL TABLES
  • SPEEDOMETER CALIBRATION
    (Oversized Tires and Gear Ratio Changed)
  • CHANGING SHIFT POINTS (Automatics only)
  • 1 - 4 SKIP SHIFT (Manual Transmission only)
  • Torque Managment (Where Applicable)

Tuning Rates with Bolt-on Modifications

Current Rate: $400.00

Tuning Rates with Heads & Cam; Include Bolt-on Modifications

Current Rate: $450.00

Tuning Rates with Power Adder

Current Rate: $500.00

$75.00 PER HOUR For Repairs while On the Dynamometer

Definition: Power Adder: TURBO SYSTEM; SUPERCHARGER SYSTEM; NITROUS OXIDE SYSTEM


GM Family SPEED DENSITY TUNE - N/A or Power Adder (Tuning Rates are subject to change.)
  • OPTIMIZE FUEL TABLES
  • SPEEDOMETER CALIBRATION
    (Oversized Tires and Gear Ratio Changed)
  • MAP VE and OPTIMIZE TIMING TABLES; TO INCLUDE: PART THROTTLE AND POWER ENRICHMENT SITUATIONS
    (ONE STEP BELOW STANDALONE SYSTEM)

Tuning Rates with or without Power Adder

Current Rate: $600.00
$75.00 PER HOUR For Repairs while On the Dynamometer

Definition: Power Adder: TURBO SYSTEM; SUPERCHARGER SYSTEM; NITROUS OXIDE SYSTEM


-Pretune Requirements:


Before traveling over to Henderson Performance Technologies for a vehicle tune, there are a few things you need to make sure have been checked and corrected prior to arriving:

  • When you make an appointment, we appreciate customers who are on time; if you have an emergency or are running a few minutes behind, please contact us at 210-867-6286.
  • Make sure all the FLUIDS in your vehicle are at the proper level, with no leaks.
  • We understand the vehicle’s tune may not be correct prior to arriving, but in order to properly tune your vehicle make sure the vehicle's working parts are in good order; i.e. spark plugs and plug wires, O2 sensors, air filter, fuel filter, and NO exhaust leaks.
  • Check your Tire Air Pressure and tread, they must be properly inflated and have sufficient tread.
  • If you have any handheld tuning devices for the vehicle, software or any other item related to the tuning of your vehicle, bring them along.

 

 
Vehicle Families
Now Viewing - GM Family
Important Information

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Be sure to view the Calendar of Information Center before contacting HPT, if you are calling to setup an appointment for a Vehicle Tune. You will be able to view what days are available to make your appointment.

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HPT Customer Vehicles:
 
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