Triumph TR7 & TR8: The Essential Buyer’s Guide
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About this ebook
Roger Williams
London based journalist, author and editor.
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Reviews for Triumph TR7 & TR8
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Book preview
Triumph TR7 & TR8 - Roger Williams
1 Is it the right car for you?
– marriage guidance
Tall and short drivers
Standard seat adjustment is good and will accommodate virtually all drivers. Access is good, although the side sills/rockers are deep.
Controls
The steering, gear lever, and pedals are easy to use, but by modern standards the brakes in standard/stock condition are very poor. The gear change on the early four-speed gearboxes is usually smooth unless the gearbox is worn. It can be ‘notchy’ on the later and much preferable 5-speed gearboxes, but usually only when cold. Handling is predictable and easy to control.
The pedals are nicely placed.
Will it fit the garage?
Length: 4.06m/160in
Width: 1.58m/62in
Height (Coupe): 1.27m/50in
Interior space
The cabin interior is spacious with excellent head and leg-room. In particular, the distance between the steering wheel and driver’s legs is generous compared with many sports cars.
There is an abundance of legroom.
Luggage capacity
The available boot/trunk space in a standard TR7 is reasonable.There is some extra capacity on a rear cockpit shelf in the Coupe models, but the seats will not fold forward to allow easy access.
Currently untrimmed, this shows the ‘shelf’ behind the seats to good effect. The stowed hood uses the space in the DHC, but it is available as extra luggage capacity in FHC models.
The use of soft bags is recommended, particularly with a TR8 or TR7 V8 conversion when the battery will be relocated to, and occupy some luggage space in, the boot/trunk. This picture shows the rare repatriated Spider variant (detailed later in the book).
Running costs
The owners/workshop manual provides a comprehensive list of maintenance tasks at 3000, 6000, and 12,000 miles (5000, 10,000, and 20,000km) most of which are simple DIY tasks. However, the 12,000-mile EGR valve, air-conditioning, and air-injection (anti-pollution) checks on US cars may best be carried out by professionals with the appropriate equipment. The cooling system is best flushed through every 12 months and new anti-freeze with the appropriate anti-corrosion additives used. If the car is used as a daily-driver, the engine oil/filter needs changing every 3000 miles, regardless of what the books say (in the interests of minimising timing chain wear), while if little used, change both every 12 months.
Usability
Today, the Drop-head is a fun/second car, rather than a daily-driver for most owners, although a well-maintained Coupe could be used on a daily basis. Cars still fitted with the 4-speed gearbox and associated banjo rear-axle, in particular, are definitely second/collectors cars.
The EGR (exhaust gas re-circulating)-valve is part of the engine’s emission control equipment, and is fitted to reduce peak combustion temperatures, thus reducing harmful emissions.
Parts availability
Good. Numerous specialist suppliers on both sides of the Atlantic provide a fairly comprehensive new parts service from stock, although some of the mechanical parts and trims are no longer available. There are many used spares available.
Parts costs
Generally very good. See Chapter 2 for a more detailed list of new parts costs.
Insurance
Costs can be quite modest if arranged through a recognised club scheme by an older driver with an exemplary record, but many factors affect the final cost.
Investment potential
Poor. The rising cost of restorations, particularly bodyshell and re-painting, coupled with softening resale prices over the last three years, make it difficult for most owners to recover all their purchase and subsequent restoration costs. Better to buy a well-restored car at a fair price.
Foibles
Several – see Chapter 3.
Plus points
Great eye-catching top-down motoring in a Drop-head, with real performance potential from Sprint and V8 versions, particularly tuned examples.
Minus points
The youngest TR7 will be over 30 years old by the time you read these words, so there are inevitably going to be unexpected problems, irritations and repair bills.
Alternatives
To TR7 Drop-head: Triumph Spitfire, TR4, ’4A or ’6, Alfa-Romeo Spider, Mazda MX5
To TR8: MGB V8 Costello conversion, TVR Griffith
To TR7 Fixed-head Coupe: Triumph GT6, VW Scirocco, Toyota Celica, Porsche 924
2 Cost considerations
– affordable, or a money pit?
Prices exclude taxes:
TR7 new mechanical parts
3-piece clutch set: lx100
Clutch master cylinder: lx45
Clutch slave cylinder: lx43
Front brake discs (standard, each): lx15
Uprated front discs (each): lx110
Front brake pads (Kevlar): lx23
Rear brake shoes (set): lx10
Rear slave cylinder (each): lx11
Exhaust (excl manifold): lx125
Stainless manifold (RHD): lx152
Radiator (uprated 4-core exchange): lx165
Set of water hoses: lx30
Alternator (exchange): lx72
Distributor (exchange): lx132
Front shock absorbers (inserts, each): lx50
Uprated brake servo/master cylinder assembly: