Triumph TR4 (19611965) Upgraded Classic Sports CarThe Triumph TR4, produced between 1961 and 1965 by the Triumph Motor Company, represents a significant evolution from its predecessor, the TR3A. Retaining the robust chassis and drivetrain of the TR series, the TR4 received a stylish and modern body designed by Italian stylist Giovanni Michelotti.This particular example benefits from a range of performance and reliability upgrades that enhance both its character and drivability:Engine & Performance Enhancements:- Stage 3 Cylinder Head Conversion Larger valves for improved airflow Skimmed for increased compression Fully polished and gas-flowed for optimal performance- Rebuilt Engine Block Provides a strong and reliable foundation- Twin Timing Chain Upgrade Enhances durability at higher RPM- Fast Road Camshaft Improves throttle response and high-rev powerFuel & Ignition Upgrades:- Carburettor Conversion Original Strombergs replaced with twin SU carburettors Inlet manifold sourced from a Triumph 2.5 saloon Paired with K&N performance air filters for increased airflow-Electronic Ignition System Provides improved reliability and stronger sparkExhaust System:- Extractor Exhaust Header Improves exhaust flow and enhances engine noteThese modifications offer a meaningful performance boost while preserving the authentic feel of the original TR4 driving experience. Ideal for enthusiasts looking for a vintage British roadster with added punch and dependability.