• Haltech Multi-Function CAN Gauge Haltech’s new Multi-function CAN Gauge displays real-time data from your Haltech ECU. Supported parameters such as boost pressure, air/fuel ratio, coolant temperature, fuel pressure, ethanol content, etc. can...
    $431.57
  • Hand Held LCD Controller Lost the controller for your LC Pro Fuel System? Don't worry, we now offer the hand-held LCD programmer by itself. This unit plugs into the ECU via a six foot cable. This also takes the place of the laptop used on most other...
    $298.65
  • Hall Sensor (Replacement) The Hall Sensor mounts on the front cover and uses magnets strategically mounted in the balancer pulley to generate a signal for proper ignition timing. Contact our Tech Support Line for further information at...
    $149.92
  • Knock Sensor Upgrade This is for the upgrade for the newest Pro Fuel Kits using the SDS computer. The upgrade will come with the Knock Sensor and adapter. Knock control allows the ECU to retard the ignition timing automatically if knocking is detected...
    $141.10
  • Haltech iC-7 Moulded Panel Mount Haltech’s new iC-7 Colour Display Dash is always better when it has the ability to mount with ease. That's where this plate comes in, it makes life EASY if you have a custom build and would like to have that...
    $128.75
  • Hall Sensor Mount When installing our LC Pro Fuel Injection System on a 5VZ (3.4 V6), this bracket mounts the Hall Effect Sensor perfectly to generate a signal from the crank pulley. Contact our Tech Support Line for further information at...
    $102.95
  • Air Conditioning / Fast Idle Solenoid This solenoid can be used for one of two options; A/C or Fast Idle. The Fast Idle/ A/C Solenoid does not require an additional valve. The fast idle option consists of extra circuitry added to the ECU, a control...
    $101.71
  • 1-Bar Map Sensor (No Boost) Map sensors in 3 varieties (1 Bar, 2 Bar, and 3 Bar), and a barometric pressure sensor. 1 Bar Sensors are good for NA engines and measure from 0 (vacuum) to approximately atmospheric pressure. A 2 Bar Sensors is good for up...
    $98.89
  • Pro Fuel Map Sensor (SDS) Map sensors in 3 varieties (1 Bar, 2 Bar, and 3 Bar), and a barometric pressure sensor. 1 Bar Sensors are good for NA engines and measure from 0 (vacuum) to approximately atmospheric pressure. A 2 Bar Sensors is good for up to...
    $98.83
    choose option

What is a Computer Piggyback?

A Computer Piggyback is an external engine management system that works alongside your factory ECU to modify sensor signals and optimize engine performance. It allows advanced tuning of fuel delivery, ignition timing, boost control, and more without fully replacing your vehicle’s original computer. Ideal for power adders like turbos and superchargers, piggybacks provide customizable control so you can safely maximize power gains while maintaining drivability and reliability.

 

Why Choose LC Engineering?

      • Specialized for Toyota T100: LC Engineering provides tailored solutions designed specifically for Toyota T100 and compatible engines, ensuring perfect integration.
      • Advanced Tuning Features: Includes internal map sensors, boost control with scramble boost, nitrous system compatibility, and internal data logging.
      • High-Quality Components: Featuring renowned ECU systems such as Haltech Elite series coupled with custom adapter harnesses for plug-and-play installation.
      • Professional Support: Our experienced team is available during business hours to assist with setup, installation questions, and tuning advice.
      • Flexible Solutions: Choose from full ECU kits to piggyback systems that suit your modification level and performance goals.

 

Installation Tips

      • Before installation, ensure your vehicle’s mechanical condition is sound.
      • Plan upgrades to supporting systems like fuel delivery, ignition, and sensors for optimal compatibility.
      • Follow manufacturer wiring and setup instructions carefully to avoid damage or malfunction.
      • Perform checks on all connections and sensor outputs post-installation.
      • If unfamiliar with ECU or piggyback systems, seek professional installation for best tuning results and vehicle safety.

 

Toyota T100 Computer Piggyback Systems Frequently Asked Questions (FAQ)

Will a computer piggyback work with my stock T100 ECU?

Yes, piggybacks are designed to work alongside your factory ECU, modifying signals for enhanced performance without requiring full ECU replacement.

Can these systems handle turbo or supercharger setups?

Absolutely. LC Engineering piggybacks include features like internal map sensors and boost control, perfect for forced induction applications.

Do I need additional tuning after installing a piggyback?

Yes, tuning is required to optimize settings for your specific setup and ensure safe engine operation.

Are these kits compatible with manual and automatic transmissions?

LC Engineering offers kits compatible with various transmission types; verify product details to match your vehicle.

Is installation difficult for a beginner?

Installation requires attention to detail and understanding of vehicle electronics. Professional installation is recommended for those new to ECU or piggyback systems.

 

Ready to Maximize Your Toyota T100's Performance?

Upgrade your engine management with LC Engineering’s Computer Piggyback systems  and experience precision tuning and enhanced power delivery. Whether you’re boosting horsepower on a turbo setup or seeking finer fuel control, our products deliver reliable performance tailored for your T100. Browse our selection today and take control of your ride’s potential.