Triumph TR2-4A Alternator Conversion
Fitting an alternator is of course a very worthwhile upgrade for a 4 cylinder TR; however there are some important points to consider before embarking on such a project. The first is that the car must be converted to negative earth for an alternator - aside from the obvious items like battery leads, several other tweaks also have to take place such as changing the ignition coil leads, for example. If you don't feel confident about catching everything that has to be done, the best advice is to leave this aspect of your alternator conversion to a competent auto-electrician.
Because of the nature of the TR, it's likely that modifications have been wrought over the years by enthusiastic owners, making it impossible to offer a 'one-kit-fits-all' conversion. Choose carefully from the menu above to ensure you get the correct components for your particular TR.
Probably the most common - and highly recommended, for reasons shown further down this page - modification alluded to above is a narrow fan belt conversion. If your car hasn't already been converted to accept a narrow fan belt, the best time to do so is while fitting an alternator. This is not to say that an alternator won't run with an original TR wide fan belt - it will do so quite successfully, utilising the original wide belt dynamo pulley.
Lastly, before fitting your new alternator, ensure that the dynamo mounting components to be retained (the pedestal, engine block bracket and associated hardware) are in serviceable condition and attached correctly to the engine.
Please note that these alternators are usually exchange items, so if an old or 'core' unit is not offered by the customer at the time of purchase, a surcharge will be levied. Alternators are supplied without fan and pulley.