Many people love the look and driving feel of classic cars but have little interest in their mechanical operation. For many classic car owners, it is the carburettors that cause most anxiety. After many years of operation their components become worn adding to the relative complexity of adjustment. Their intrinsic and sometimes difficult to understand relationship to ignition and other parts of engine performance mean that many owners get outside help to keep them running well.
Over the last few years a number of suppliers have sort to help this situation by creating fuel injection components that can be fitted to classic cars. Today they are a number of solutions that can add fuel injection whilst maintaining the engines original appearance. Options start with throttle-body carb conversions and move on to full engine management systems that control ignition and give feedback on the engines performance.
Reliable and consistent
A fuel injection system with a mapped ignition is reliable and consistent. Carburettors and distributors fall out of tune and wear causes tuning issues, but a new fuel injection system once set up delivers turn key certainty every time.
Different performance options
Systems can offer different maps for different engine performance. A fuel-efficient specification for every-day street use is possible as well as map for faster and spirited driving. A PC interface and adjustable maps mean you actually can see how your engine is performing at different loads, temperatures and speeds. Maps can be edited and updated creating a set of tuning parameters that suit your engine and driving style.
Non-invasive and removable
Fuel injection can be used to create a much better driving experience but what happens if you want to sell your car to someone who wants originality? The best systems are largely non-invasive and can be removed easily so that the original mechanical components can be replaced.
The best of all worlds
Better control of both the fuel and ignition systems means the engine can deliver more power as well as better fuel efficiency. Exhaust emissions are also reduced, so you can drive your classic with less guilt too!
Don’t automatically assume that a poorly performing classic car can only be improved by adding fuel injection – most carburettor problems are actually ignition problems and these can be sorted by a classic car specialist.
Understanding the current state of your engine before you think about fuel injection is key. You must ensure your engine, ignition and induction system are in good shape to start with. Fuel injection will not improve a tired engine.
There are now a number of solutions to suit different budgets. The cheapest entry point is to fit a system yourself and there are some systems that are designed with the home mechanic in mind. If you go down that route you must bear in mind that fuel injection operates at much higher fuel pressures than a carburettor does. Make sure you understand the impact new components will have on existing hardware and that all rubber fuel hoses must be replaced with hoses that will handle the pressure. If you want to maintain a stock appearance for your engine, then you will have to plan carefully where you add (and can hide away) the extra components in the engine bay.
We have good experience of classic car fuel injection conversions but have found that some of the ‘plug and play’ solutions are far from that. Give us a call to find out how we can help your car perform better with the addition of state of the art fuel injection.
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