The 1979 Triumph TR7, a wedge-shaped icon of British sports car design, arrived on the scene amidst a turbulent era for the automotive industry. This model year marked a significant shift for the TR7, with refinements to its engine and handling, aiming to address criticisms of its early years.
The TR7, with its distinctive styling and ambitious engineering, promised a thrilling driving experience that captured the spirit of the time.
This article explores the 1979 Triumph TR7, examining its design, performance, and lasting impact. We’ll delve into its strengths and weaknesses, its place in automotive history, and its current appeal among collectors and enthusiasts.
Introduction
The Triumph TR7, a British sports car produced by Triumph Motor Company from 1975 to 1981, was a radical departure from its predecessors. While the TR6 was a classic roadster with a traditional design, the TR7 adopted a more modern wedge-shaped profile, aiming to appeal to a younger audience and compete with the growing popularity of European sports cars like the Porsche 911 and the Fiat X1/9.
The 1979 model year was a significant one for the TR7, marking the transition to a new engine and the introduction of several improvements designed to address some of the initial shortcomings.
Design and Engineering
The TR7’s design was penned by the renowned Italian designer, Giovanni Michelotti, known for his work on numerous iconic cars. The car’s distinctive wedge shape was a bold statement for its time, featuring a long, low hood, a sloping roofline, and a rear end that was designed to resemble a shark fin.
The TR7 was built on a new platform, featuring a front-engine, rear-wheel-drive layout. It was initially powered by a 1.6-liter four-cylinder engine, which was later replaced by a 2.0-liter unit in 1979. The car’s suspension was a combination of MacPherson struts at the front and a live axle at the rear.
The TR7’s interior was designed with practicality in mind, offering comfortable seating for two adults and a small amount of luggage space. While the TR7’s styling was undeniably striking, it was not without its flaws. The car’s low roofline and narrow cabin could make entry and exit challenging for taller drivers.
The 1979 Triumph TR7, a sporty British roadster, aimed for a more modern design compared to its predecessors, but its reliability issues and questionable build quality ultimately led to its downfall. In contrast, the 1998 Bentley Continental: A Luxury Icon Reborn represented a resurgence of the brand, showcasing refined craftsmanship and powerful performance.
While the TR7 focused on affordability, the Continental aimed for opulence, highlighting the stark contrast in automotive philosophies during their respective eras.
The TR7 also faced criticism for its handling, which was often described as twitchy and unpredictable.
Design and Styling: 1979 Triumph TR7
The Triumph TR7, launched in 1975, was a radical departure from the traditional Triumph sports car design. It embodied the spirit of the era, characterized by sharp lines, wedge-shaped silhouettes, and aerodynamic efficiency. The TR7’s design, a collaboration between Italian design house Michelotti and Triumph’s own design team, aimed to create a modern, sleek, and visually appealing sports car.
Distinctive Wedge-Shaped Bodywork
The TR7’s most striking feature was its distinctive wedge-shaped bodywork. This design element was inspired by the aerodynamic principles of the time, which emphasized a low drag coefficient for improved fuel efficiency and high-speed stability. The sloping front end, tapering towards the rear, with a low-slung roofline and a pronounced rear spoiler, contributed to the car’s aerodynamic profile.
This wedge shape not only enhanced performance but also gave the TR7 a distinctive and futuristic look, setting it apart from its predecessors.
Use of Fiberglass in Construction
The TR7’s bodywork was constructed primarily from fiberglass, a material that offered several advantages for sports car production. Fiberglass is lightweight, making it ideal for reducing the overall weight of the car, which directly impacts performance and handling. Its flexibility also allowed for complex and intricate body shapes, enabling the designers to create the TR7’s distinctive wedge-shaped profile.
However, fiberglass construction also presented challenges. It was prone to cracking and damage, particularly in areas prone to impact.
Interior Design and Features
The TR7’s interior, while stylish and functional, reflected the car’s overall design philosophy. The dashboard was ergonomically designed, featuring a driver-focused layout with a clear and uncluttered instrument panel. The use of high-quality materials, such as vinyl and cloth upholstery, contributed to a comfortable and sporty ambiance.
The TR7 offered a range of features, including a standard five-speed manual transmission, disc brakes on all four wheels, and a comfortable two-seater layout.
Performance and Handling
The Triumph TR7 was a sporty two-seater that aimed to offer a thrilling driving experience. It achieved this through a combination of its engine, chassis, and suspension.
Engine Specifications and Power Output
The TR7 was powered by a 1.9-liter, four-cylinder engine that was designed to be both powerful and fuel-efficient. This engine, while initially a little underwhelming, was later updated to produce more power and torque.
- The original 1.9-liter engine produced 88 horsepower (66 kW) at 5,250 rpm and 108 lb-ft (146 Nm) of torque at 3,000 rpm.
- The later 1.9-liter engine, introduced in 1978, produced 95 horsepower (71 kW) at 5,500 rpm and 110 lb-ft (149 Nm) of torque at 3,000 rpm.
The TR7’s engine was mated to a four-speed manual transmission, with a five-speed manual transmission becoming optional in 1978. The TR7’s acceleration was respectable for its time, with the 0-60 mph sprint taking around 9 seconds.
Handling Characteristics and Driving Experience, 1979 Triumph TR7
The TR7’s handling was praised by many reviewers, thanks to its well-tuned suspension and responsive steering.
- The TR7’s front suspension used MacPherson struts with coil springs and an anti-roll bar.
- The rear suspension used a live axle with semi-elliptical leaf springs and an anti-roll bar.
The TR7’s handling was also aided by its relatively low center of gravity and its well-balanced weight distribution. The TR7’s driving experience was considered to be engaging and fun, with a good balance of comfort and performance.
Performance Compared to Contemporaries
The TR7’s performance was comparable to other sports cars of its era, such as the Datsun 280Z and the MG B. However, the TR7 was not as powerful as some of its rivals, such as the Porsche 911.
The 1979 Triumph TR7, with its sleek wedge shape and sporty handling, was a stark contrast to the rugged workhorses of the era. While the TR7 was designed for speed and style, vehicles like the 1932 Dodge Pickup: A Classic American Workhorse were built for practicality and durability.
Both cars represent distinct chapters in automotive history, showcasing the diverse needs and tastes of their respective times. The TR7, with its British flair, aimed to capture the spirit of the sports car, while the Dodge pickup, with its American ingenuity, focused on providing reliable transportation for work and everyday life.
- The Datsun 280Z had a 2.8-liter inline-six engine that produced 170 horsepower (127 kW) and 170 lb-ft (230 Nm) of torque.
- The MG B had a 1.8-liter four-cylinder engine that produced 95 horsepower (71 kW) and 106 lb-ft (144 Nm) of torque.
- The Porsche 911 had a 2.7-liter flat-six engine that produced 165 horsepower (123 kW) and 155 lb-ft (210 Nm) of torque.
While the TR7 may not have been the most powerful sports car of its time, it offered a well-rounded driving experience that appealed to many drivers. Its sharp handling and engaging performance made it a popular choice for enthusiasts.
Reliability and Issues
The 1979 Triumph TR7, despite its sporty intentions, faced challenges with reliability, becoming a subject of criticism among owners and enthusiasts. These issues, often stemming from design flaws and manufacturing inconsistencies, significantly impacted the car’s popularity and overall reputation.
Common Problems
The TR7 was known for its susceptibility to a range of mechanical issues.
- Engine Problems:The 2.0-liter engine, while delivering decent performance, was prone to overheating, particularly in hot climates. This was often attributed to inadequate cooling system design and the use of a small, single-row radiator. Additionally, the engine was known for its susceptibility to head gasket failures, often leading to coolant leaks and engine damage.
- Transmission Issues:The TR7’s four-speed manual transmission, though generally reliable, was known for its tendency to develop synchromesh problems, resulting in difficult gear changes, especially in lower gears. This was further compounded by the use of a single-plate clutch, which could slip or fail prematurely.
- Electrical Issues:The car’s electrical system was another source of frustration for owners. Common problems included faulty wiring, intermittent electrical failures, and issues with the alternator and starter motor.
- Rust and Corrosion:The TR7’s bodywork was susceptible to rust, particularly in areas like the wheel arches, sills, and floor pans. This was attributed to the car’s use of thin-gauge steel and inadequate corrosion protection.
- Suspension and Steering:While the TR7’s handling was generally praised, the car’s suspension and steering systems were not immune to issues. Common problems included worn ball joints, loose steering components, and problems with the rack and pinion steering system.
Reputation for Reliability and Maintenance Costs
The 1979 TR7’s reliability issues resulted in a mixed reputation among owners. While some owners reported few problems, others experienced a constant stream of mechanical issues, leading to high maintenance costs.
The 1979 Triumph TR7, with its wedge-shaped design and lively handling, was a car that aimed to capture the spirit of British sports cars. However, its reliability issues and lack of power compared to its contemporaries, like the 1988 Nissan 300ZX: A Sports Car Icon , ultimately hindered its success.
While the TR7’s design was striking, it couldn’t compete with the 300ZX’s potent engine and advanced technology, leaving the TR7 a footnote in automotive history.
“The TR7 was a beautiful car, but it was a nightmare to own. I had constant problems with the engine, transmission, and electrical system. It was always in the garage.”
A former TR7 owner.
The car’s reputation for unreliability and high maintenance costs, coupled with the availability of more reliable and affordable sports cars, significantly impacted its popularity.
The 1979 Triumph TR7, with its wedge-shaped design and sporty handling, remains a beloved classic among car enthusiasts. Its unique styling and performance characteristics make it a standout example of the British sports car tradition, a tradition that has produced some of the most iconic vehicles in automotive history.
For those who appreciate the artistry and engineering of these timeless machines, exploring the world of classic cars is a rewarding journey. And the 1979 Triumph TR7, with its blend of style and performance, stands as a testament to the enduring appeal of these automotive treasures.
Legacy and Impact
The Triumph TR7, despite its mixed reception during its production run, left a lasting mark on the automotive world. Its distinctive wedge-shaped design, while controversial, became a defining feature of the era and influenced the styling of other cars, and its place in the history of Triumph is significant, as it was the company’s last attempt to capture the sports car market.
The TR7’s Role in Triumph’s History
The TR7 marked a significant shift for Triumph, as it was the first completely new model launched after the company’s merger with British Leyland in 1968. This merger brought financial stability to Triumph, but also led to a more conservative approach to car design, as British Leyland sought to streamline production and reduce costs.
- The TR7 was intended to be a successor to the highly successful TR6, which had been discontinued in 1976.
- It was designed to appeal to a wider audience, with a more modern and practical interior than its predecessor.
- However, the TR7’s production was plagued by quality control issues and reliability problems, which tarnished its reputation and ultimately led to its demise in 1981.
The TR7’s Cultural Impact
Despite its troubled production history, the TR7 became a cultural icon of the 1970s. Its distinctive wedge-shaped design was highly influential, inspiring other carmakers to adopt similar styling cues.
- The TR7’s design was a radical departure from the traditional Triumph sports car, and it helped to shape the look of sports cars in the 1970s.
- Its sleek lines and low-slung profile were particularly influential, and many other cars, including the Ford Mustang and the Chevrolet Camaro, adopted similar styling cues in the years that followed.
- The TR7 also appeared in several popular films and television shows, further cementing its place in popular culture.
The TR7’s Lasting Legacy
Despite its flaws, the TR7 has gained a devoted following among car enthusiasts. Its unique design and performance potential, combined with its relatively low price, make it an attractive proposition for those looking for a classic British sports car.
- The TR7 has become a popular choice for restoration and modification, with enthusiasts often upgrading its engine, suspension, and brakes.
- There are several active TR7 clubs and forums online, where owners can share their experiences, discuss restoration projects, and find parts.
- The TR7’s legacy is a testament to the enduring appeal of classic British sports cars, and its influence on automotive design can still be seen in cars today.
Collecting and Restoration
The Triumph TR7, a British sports car produced from 1975 to 1981, has garnered a devoted following among enthusiasts. Its distinctive wedge-shaped design, coupled with its sporty performance, makes it a desirable classic car. Today, owning a TR7 can be a rewarding experience, but it comes with its own set of considerations, particularly when it comes to collecting and restoring these vehicles.
Current Market Value
The current market value of a 1979 TR7 varies depending on its condition, mileage, and modifications. A well-maintained, original TR7 in good condition can fetch between $5,000 and $10,000. However, rare or highly modified examples, such as those with factory-installed performance upgrades, can command significantly higher prices.
For example, a TR7 with a factory-installed “D” specification engine, which offered a higher power output, might sell for upwards of $15,000. Online platforms and classic car auction sites can provide insights into current market trends and pricing.
Restoration and Maintenance
Restoring a TR7 can be a rewarding project, but it requires a significant commitment of time, effort, and resources. The first step is to assess the car’s condition and identify the areas that need attention. Common areas that often require restoration include the bodywork, paint, interior, and engine.
- Bodywork:The TR7’s fiberglass body is susceptible to cracks and damage, so it’s important to inspect for any signs of rust or corrosion. Repairing fiberglass bodywork requires specialized skills and techniques.
- Paint:The original paint on a TR7 can fade or become chipped over time. A complete repaint can significantly enhance the car’s appearance, but it’s an expensive and time-consuming process.
- Interior:The interior of a TR7 can show signs of wear and tear, particularly on the seats, carpets, and dashboard. Replacing worn-out components can restore the car’s interior to its former glory.
- Engine:The TR7’s engine is a reliable unit, but it can require regular maintenance and occasional repairs. Common issues include worn valve seals, leaking oil seals, and failing ignition components.
Challenges and Rewards
Owning a classic TR7 presents both challenges and rewards. The car’s unique design and performance are sure to turn heads, but its age can also lead to unexpected issues.
- Spare Parts Availability:Finding original spare parts for a TR7 can be challenging, as many parts are no longer in production. However, there are specialized suppliers who specialize in TR7 parts, and online marketplaces can also be a valuable resource.
- Mechanical Complexity:The TR7’s engine and drivetrain are relatively complex, which can make troubleshooting and repairs more challenging. Having a good understanding of the car’s mechanics is essential for any owner.
- Reliability:While the TR7’s engine is generally reliable, the car’s electrical system can be prone to problems. Regular maintenance and preventative measures can help minimize electrical issues.
- Driving Experience:The TR7’s driving experience is a unique blend of sporty handling and classic British charm. The car’s responsive steering and nimble handling make it a joy to drive on winding roads.
Conclusive Thoughts
The 1979 Triumph TR7 remains a fascinating chapter in British automotive history. While it faced challenges with reliability and struggled to fully achieve its potential, its bold design and driving thrills continue to captivate enthusiasts. Whether you’re a fan of classic sports cars or simply appreciate the ingenuity of British engineering, the 1979 Triumph TR7 offers a captivating story.
