1966-1973 Triumph GT6 Workshop Manual Supplement

Technical Scope and Data for 1966–1973 Triumph GT6 and Vitesse

• Covers 1966–1973 Triumph GT6 and Vitesse 2-litre models, including Mk. 1, Mk. 2, Mk. 3, and Vitesse Mk. 2 variants with emission control configurations
• Official Triumph publication Part Number 545048, 1st edition supplement
• Contains 47 detailed exploded-view diagrams and 15 comprehensive tightening torque tables for engine, suspension, and chassis assembly
• Delivered as a direct download the moment payment clears
• File link appears in your order confirmation straight away
• Page spreads stay legible when printed at original size
• OCR text layer lets you jump to a torque spec by keyword
• This supplement provides the necessary technical data for servicing 1968-onward USA-market emission systems not found in earlier standard manuals

Documentation Walkthrough

The 1966–1973 Triumph GT6 and Vitesse workshop manual supplement provides essential data for maintaining and servicing these classic British performance vehicles. This document organizes technical content into primary groupings, covering general servicing, engine modifications, and specialized emission control equipment. Detailed chapters examine carburetor tuning, ignition system specifications, and crankshaft maintenance. The manual further documents comprehensive adjustment data for the SU side-draft carburetors and provides clear figures for distributor settings, valve timing, and piston ring tolerances.

Additional sections focus on unit identification through serial number prefixes, paint and trim coding, and vehicle dimension charts. The text documents the specific modifications required for US emission-regulated models, including unique camshaft profiles, cylinder head configurations, and crankshaft pulley timing marks. For owners of the 1966–1973 Triumph GT6, this publication serves as the authoritative factory reference for maintaining factory-correct performance and mechanical integrity.

Specification Highlights

Engine component specifications are documented for precision assembly and wear inspection. Cylinder head bolt torque values are specified at 65–70 lb-ft for GT6 Mk. 2 models in the engine data table. Valve clearance for the intake is listed at 0.010 in in the engine dimensions and tolerances section. The Triumph GT6 Mk. 3 distributor contact gap is specified at 0.015 in. Coolant system capacity is documented at 13.2 pints for Vitesse 2-litre variants. Reference factory workshop documentation to understand how the original manufacturer specified rebuild tolerances for these engines. Reference only — always consult a certified technician before performing service on this equipment. This official factory publication documents the specific maintenance and adjustment parameters for the 1966–1973 Triumph GT6 and Vitesse 2-litre, covering emission control systems, engine reconditioning, and chassis assembly technical data.