GH Series Factory Workshop Manual
Complete factory workshop manual for the Mitsubishi Sigma GH series including all mechanical and electrical systems.
G54B Engine Wiring Diagram
Detailed wiring diagram for the G54B turbocharged engine as fitted to GH series Sigma Turbo models.
Turbo Boost Controller Setup Guide
Step-by-step guide for setting up and calibrating the factory boost controller system.
Sigma Turbo Parts Identification Guide
Visual identification guide for all GH series specific components including trim and mechanical parts.
TD05H Turbo Upgrade Technical Article
Comprehensive technical article covering the popular TD05H turbocharger upgrade for the G54B engine.
Fuel System Specifications
Factory fuel system specifications, injector data, and fuel pressure requirements for the Sigma Turbo.
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