Unlock the full potential of your Toyota T100's engine management with LC Engineering's advanced Computer Piggyback and ECU systems. Designed to optimize fuel management, boost control, and data logging, these systems improve overall performance, responsiveness, and reliability. Whether you're adding a turbo, supercharger, nitrous, or simply want custom tuning capabilities, LC Engineering's Computer and Piggyback solutions bring precision control to your ride.
Fan Relay
Electric fan relay upgrade for Pro Fuel Injection kits. Allows the computer in our Pro Fuel Injection kits to control your electric fan.
Contact our Tech Support Line for further information at 928-575-2174.
Note: Images are for...
Fuel Pump Relay
Fuel pump Relay for Pro Fuel Injection Kits. Required for the computer to turn on the electric fuel pump. Much easier than having an additional switch on the dashboard!
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Coolant Temp Sensor
This coolant temperature sensor is a replacement for our LC Pro Fuel Injection Kits. This sensor has 3/8" NPT threads with a GM style weather pack connector.
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Hall Sensor Mount
When installing our LC Pro Fuel Injection System on a 2RZ or 3RZ, this bracket mounts the Hall Effect Sensor perfectly to generate a signal from the crank pulley.
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Serial Cable
Serial Cable to connect your computer to split second box or, SDS computer to SDS controller.
Length: 10ft / 3m
Contact our Tech Support Line for further information at 928-575-2174.
Note: Images are for illustration...
Crank Trigger Magnet
Individual replacement crank position sensor magnets for our Pro Fuel Injection kits. These magnets get installed in the balancer pulley and trigger the hall effect sensor to generate a signal for the ignition system.
NOTE: Sold...
Air Temp Plate
(Adapts Cold Start Injector to Air Temp Sensor)
Custom made plate to install an air temperature sensor where the cold start injector normally sits.
Contact our Tech Support Line for further information at 928-575-2174...
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.