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HistoryThe TR marque from TR2 to TR6 evolved gradually retaining many parts from the previous models. When the model changed from the TR4 to the TR4a the same 4 cylinder 2138 engine was used with new inlet and exhaust manifolds. The body shape was unaltered but had minor chrome work changes, the interior had minor changes and the foldaway hood was added. The major difference was that the 4A had independent rear suspension as against the live axle of the 4. (US bound cars had the option of either).The TR4A is a very reliable car and quite simple to maintain. In 35 years of 4A motoring it has only broken down once, but by having a selection of spares in the boot I was able to get home. The cost of spare parts is extremely reasonable, mostly cheaper than the equivalent parts for a modern car. Availability is excellent and delivery normally the next day. SpecificationThe engine and transmission in the 4a is essentially the same as the 4. The major difference between the models is the introduction of the Independent Rear Suspension (IRS). This overcame some of the handling problems caused by the ‘live axle’ on previous models.What to look forOnly 3075 TR4As were sold in the UK so finding a good, original UK car can be quite difficult. Nowadays a number of US cars are being brought back to the UK and it is possible to convert them to right hand drive.As most 4As are around 40 years old, most will have been rebuilt at sometime. Therefore the standard of work is most important – some will have been bodged. Check for accurate fit of wings and panel gaps around doors, bonnet and boot. A shiny paint job may look nice, but check with a torch under the wings, floor and carpets etc; also check the chassis. The engine, gearbox and diff can be checked in the normal way for smoke, noises, etc. A brake servo and overdrive are very desirable. When you drive a TR, scuttle shake will be evident. Also as there are 6 universal joints and 3 sliding splines in the drive train some ‘take up’ is to be expected, but all in all a very enjoyable drive. |
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