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Triumph TR7 & TR8: The Essential Buyer’s Guide
Triumph TR7 & TR8: The Essential Buyer’s Guide
Triumph TR7 & TR8: The Essential Buyer’s Guide
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Triumph TR7 & TR8: The Essential Buyer’s Guide

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A small investment in this book could save you a fortune ... With the aid of this book's step-by-step expert guidance, you'll discover all you need to know about the car you want to buy. Unique points system will help you to place the car's value in relation to condition. Don't buy a TR7 or TR8 without this book's help!
LanguageEnglish
PublisherVeloce
Release dateMar 9, 2022
ISBN9781787118614
Triumph TR7 & TR8: The Essential Buyer’s Guide
Author

Roger Williams

London based journalist, author and editor.

Read more from Roger Williams

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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:

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