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| Vauxhall Firenza | |
|---|---|
 | |
| Overview | |
| Manufacturer | Vauxhall (General Motors) |
| Also called |
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| Production | 1970[1] – 1975 |
| Assembly | Ellesmere Port,Cheshire, England Port Elizabeth,South Africa[2] |
| Body and chassis | |
| Class | Compact car (C) |
| Body style | 2-doorcoupé |
| Related | Vauxhall Viva |
| Powertrain | |
| Engine | |
| Transmission | 4-speed manual all-synchromesh,[1] 5-speedZF manual all-synchromesh on HP Firenza |
| Chronology | |
| Successor | Opel Manta |
TheFirenza is a model of car offered byVauxhall from May 1971 until 1975. It was a development of theViva, but had a distinctivecoupé body style (fastback) and only two doors. In South Africa, it was sold as theChevrolet Firenza until it was replaced by the Chevrolet 1300/1900 during 1975. Its name is derived fromFirenze, the name of the Italian city known in English asFlorence.
The initial Firenza was available in a base model 1159 ccoverhead valve and two models with overhead camshaft, in 1598 cc and 1975 cc variants. The latter was the same engine as used in the earlier Viva GT. Some six months after launch, in December 1971,[1] performance was boosted when the engine capacities were enlarged to 1256 cc, 1798 cc and 2279 cc respectively. All models had a front-mounted four-cylinder engine driving the rear wheels. The SL model in each engine size carried the highest level of trim.
Suspension was by double wishbone and coil springs at the front, and alive rear axle with trailing arms and coils at the rear. The suspension and steering of the Firenza was adapted for use in theJensen-Healey sports car.
The model changes in early 1972 included the introduction of a top-of-the-line 2300 Sport SL model (introduced at theGeneva Motor Show), using the 2279 cc engine. The 2300 Sport SL was the only version to feature the seven dial dash (speedometer, clock,rev counter, fuel, oil pressure, water temp, & battery charge). The engine was an inclined four-cylinder with singleoverhead camshaft and twin Stromberg carburettors, producing 122 bhp (91 kW). Theoversquare straight four engine was renowned for its big torque curve, making the car very flexible and easy to drive. The interior was equipped with bucket seats, front and back, to carry four persons. The centre console with heater controls and warning lights was quite distinctive and luxurious for the time.
The 2300 Sport SL was raced by theDealer Team Vauxhall, following their successes with the Viva GT. InCastrol colours, these cars enjoyed many successes.
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In 1973, Vauxhall developed a restyled version of the Firenza, known officially as the High Performance (HP) Firenza, but known colloquially as the "droopsnoot" after its distinct aerodynamic nose.[citation needed] The nose was moulded fromGRP, and featured two pairs of Cibié headlamps behindtoughened glass covers. The overall look was somewhat reminiscent of the RenaultAlpine A310, and used the same headlamp units. Several prototypes of the HP Firenza were considered with different types of front end treatment, requiring different degrees of change from the standard production front end, including cars known as Black Knight and Daytona, the latter for its resemblance to theFerrari Daytona, a favourite ofWayne Cherry.[citation needed]
At that time, the original flat-fronted Firenza model was rebadged as theMagnum coupé, and the name Firenza was used exclusively for the HP version. This car was an exciting styling departure for Vauxhall, and certainly created something of a buzz. The engine was the 2.3-litre variant of the OHCSlant Four engine, uprated to a very torquey[citation needed] 131 bhp (98 kW) using a variety of parts developed by Blydenstein Racing. It had twin 175 Strombergcarburettors, high-liftcamshaft and free-flow tubularexhaust manifold. The car was restyled on theDavid Jones original by American designerWayne Cherry and the result was an exceptionally lowdrag coefficient for its time. Suspension was uprated and lowered, brakes uprated, and a5-speed ZFdog leg gearbox was installed, a much stronger unit than fitted to the standard model (though rather noisy). Another unusual feature of the car was the alloyAvon Safety Wheels, which were designed to retain the tyre safely in the event of a puncture. This was the first car to use these wheels in production. All production cars were painted in the same colour – Silver Starfire, and featured a largely black interior with silver-grey cloth seats. An unusual interior feature of dubious utility was the passenger grab handle on the dash in place of the standardglovebox.
The car was launched to much publicity in a special one-off race atThruxton circuit inHampshire, with top drivers of the day taking part includingGerry Marshall and Barry "Whizzo" Williams, who won the race. However, thefuel crisis of the time meant that suddenly it became very hard to sell gas-guzzling cars like this (even though theaerodynamics increased fuel economy greatly, reducing the power needed to attain its top speed by some 30 hp), and coupled with some production line difficulties in actually building the car meant that sales and delivery were slow, and eventually just 204 examples were built, far short of the 30,000 projected. This very low volume was a disaster for Vauxhall, but it has led to the car becoming a very collectible classic.[citation needed]
The Firenza was also very successful in saloon car racing in the 1970s, especially in its Old Nail[3] (with 2.3-litre inline-4 engine developed by Blydenstein Racing) andRepco-Holden 5-litre V8 engined Baby Bertha versions, piloted to great effect by Gerry Marshall.
Despite the low production run, the aerodynamic qualities and styling of the "droopsnoot" were incorporated, with improvedproductionisation, into most of Vauxhall's remaining 1970s new models: theChevette,Cavalier andCarlton. The Firenza can be seen as a styling prototype for these models. Its influence can be judged from the fact thatFord adopted a very similar look for its Mk II RS2000Escort and the 1982Ford Sierra, which in turn were widely copied throughout the 1980s by others. For this reason, the HPF looks far less dated than many of its contemporaries.
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In South Africa, the local GM subsidiary built theViva two-door and four-door saloons as the Chevrolet Firenza from January 1971. A 1159 cc Vauxhall engine or a2.5-litre Chevrolet inline-four, both locally made, were fitted. Two- or four-door saloons, a two-door coupé (2.5 only) and a three-door estate were available from the beginning. From 1973, the 1200 was replaced by the larger 1256 cc version. In 1974 the estate and coupé models were dropped. By 1975 only the de Luxe and SL models remained, with the two-door saloon only as a 1.3 de Luxe. The 2.5 was also available with an automatic transmission.[4] The 2.5 SL received twin round headlamps, while the 1300 had single rectangular units. Firenza production ended in July 1975, with sales continuing at a trickle thereafter.
A limited edition version of the Firenza was built in South Africa known as the Chevrolet Can-Am (or the Little Chev) by South Africans using the5-litre (302ci) V8 from the1969 Chevrolet Camaro Z/28. In order for the car to qualify for racing, 100 had to be sold to the public, so only 100 were built.[5]
In 1975, the Firenza was renamed the Chevrolet 1300/1900.[6] This was facelifted with large square front grille as well as a revised bumper and bonnet. A hatchback version of the Firenza, known as the Chevrolet Hatch, was also introduced.[7] This featured the tailgate and rear lights from theT-CarVauxhall Chevette/Opel Kadett, which was not sold in South Africa.[6] The Chevrolet Hatch was dropped in 1978.
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