TCA-8 (4+4) Eight Channel Thermocouple Amplifier Programmed as TCA-4A and TCA-4B

The Ultimate V8 Engine Management Solution

The TCA-8 (4+4) Eight Channel Thermocouple Amplifier is a specialized configuration of Haltech’s high-density thermal monitoring hardware. It is explicitly programmed to emulate two separate TCA-4 units (Box A and Box B) within a single chassis. This unique architecture is designed specifically to overcome channel count limitations on legacy ECUs or to organize data logically for V8 engine applications, where monitoring 8 individual cylinder Exhaust Gas Temperatures (EGTs) is required.

Dual-Bank Architecture for Advanced Tuning

By presenting itself to the CAN network as two distinct 4-channel devices, the TCA-8 (4+4) ensures seamless compatibility with ECU firmware that expects separate “Bank 1” and “Bank 2” inputs. This is the definitive solution for V8 drag racing or circuit applications. It allows the tuner to map individual cylinder trims based on precise EGT feedback, balancing the engine perfectly to extract maximum power while preventing detonation in lean cylinders.

The unit features robust Cold Junction Compensation for each bank of channels, ensuring that heat soak in the engine bay does not skew the temperature readings. The rugged aluminum enclosure protects the sensitive amplification electronics from the high-frequency vibrations and radiated heat typical of a competition engine bay.

Operational Benefits

• Seamless Legacy Integration: Works perfectly with Platinum Series and older Elite firmware that requires split Box A/Box B addressing for 8 channels.
• Simplified Wiring: Consolidates 8 thermocouple inputs into a single location, requiring only one CAN connection to the ECU, drastically reducing harness clutter compared to mounting two separate TCA-4 boxes.
• Total Engine Visibility: Provides the data density required to diagnose individual injector faults, airflow imbalance in intake manifolds, or ignition coil issues by analyzing cylinder-to-cylinder temperature deltas.
• High-Speed Telemetry: Broadcasts data at rates sufficient for real-time dyno analysis and track-side diagnostics.

Technical Specifications

Includes

• 1 x TCA-8 Thermocouple Amplifier (Configured as 4+4)
• 1 x Elite CAN Cable DTM-4 to Circular Connector (1200mm / 4ft)
• Quick Start Guide

Note: This unit will appear in ESP software as two separate devices. Probes sold separately.