The Triumph 2.5 PI (Petrol Injection) of 1968-1975 represents a bold attempt by Triumph to embrace fuel injection technology. For the Kiwi enthusiast, the 2.5 PI offers a unique blend of British style and potentially challenging engineering. Understanding its specific quirks is crucial for successful ownership.
Lucas fuel injection system problems (difficult starting, poor running, fuel leaks), rust (particularly in the sills, floor pans, and suspension mounting points), overdrive (if fitted; can be prone to failure), differential whine, and electrical gremlins (common in British cars of this era).
WOF tips
Rust is a major concern - pay close attention to the sills, floor, suspension mounting points, and around the windscreen. The complex fuel injection system needs to be in good working order to pass emissions tests. Check for fuel leaks. The brakes should be effective and balanced. All lights and signals must be functioning correctly.
About the Triumph 2.5 PI 9EPI
The 2.5 PI distinguished itself with its Lucas mechanical fuel injection system, which, while innovative for its time, is often a source of headaches today. These cars look great - the styling is timeless. Many cars have suffered with the injection system being removed and replaced with carburetors. Engine maintenance intervals are really important to keep this classic running. Rust is a nemesis, it hides everywhere.
Questions owners ask
What are the common issues I should look out for with a TRIUMPH 2.5 PI 1968–1975?
Owners of the TRIUMPH 2.5 PI 1968–1975 often encounter problems with the Lucas mechanical fuel injection system, leading to difficult starting or poor running. Rust is also a significant concern, particularly in the sills, floor pans, and suspension mounting points. Other common issues include overdrive failure (if fitted), differential whine, and general electrical gremlins typical of British cars from this era.
How often should I service my TRIUMPH 2.5 PI 1968–1975?
To keep your TRIUMPH 2.5 PI 1968–1975 running optimally, it's crucial to adhere to the recommended service interval of 5000km. Regular maintenance is especially important for the complex fuel injection system and overall engine health.
What are the key WOF inspection points for a TRIUMPH 2.5 PI 1968–1975 in New Zealand?
For a TRIUMPH 2.5 PI 1968–1975 WOF inspection, pay very close attention to rust, especially in the sills, floor, suspension mounting points, and around the windscreen. The Lucas fuel injection system must be in good working order to pass emissions tests, and all fuel lines should be checked for leaks. Ensure brakes are effective and balanced, and all lights and signals are fully functional.
Where can I get parts for my TRIUMPH 2.5 PI 1968–1975 in NZ?
CARFIX stocks 155 SKUs specifically for the TRIUMPH 2.5 PI 1968–1975. You can find a wide range of parts through CARFIX to help maintain your classic.
Is the Lucas fuel injection system on the TRIUMPH 2.5 PI 1968–1975 difficult to maintain?
Yes, the Lucas mechanical fuel injection system on the TRIUMPH 2.5 PI 1968–1975 is known for being complex and often a source of issues. It requires specialised knowledge and maintenance to keep it running correctly. Many owners have opted to replace it with carburetors due to its intricacies.
What's the best way to prevent rust on my TRIUMPH 2.5 PI 1968–1975?
Preventing rust on a TRIUMPH 2.5 PI 1968–1975 requires diligence. Regular inspections, especially in known problem areas like the sills, floor pans, suspension mounting points, and around the windscreen, are crucial. Promptly addressing any surface rust and considering rustproofing treatments can help preserve the bodywork.