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Chamonix NG Cars

Chamonix NG Cars is a Brazilian manufacturer of fiberglass replicas of classic Porsche sports cars using Volkswagen-based mechanical components.

Last updated August 25, 2026

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Overview

Chamonix NG Cars is a Brazilian specialist automobile manufacturer known for producing fiberglass-bodied replicas of classic Porsche sports cars. The company was established in 1981 by Milton Masteguin, a former constructor associated with Puma Cars, and the American automotive engineer Chuck Beck. Its early identity was closely connected with the Brazilian replica-car and kit-car sector, combining hand-built bodies styled after mid-century Porsche models with contemporary Volkswagen mechanical components. The company initially operated under the name Chamonix Indústria e Comércio and was based in Jarinu, in São Paulo state. By approximately 2011, it was identified as Chamonix NG Cars and associated with São Paulo. The initials “NG” refer to “New Generation,” reflecting the company’s positioning as a modern producer of cars inspired by earlier Porsche designs rather than as a manufacturer of original Porsche vehicles. Chamonix began producing a replica of the Porsche 550 Spyder in 1982. The model used a fiberglass body, a tubular chassis, rear-mounted Volkswagen-derived mechanical components and a boxer engine. Its development involved Milton Masteguin and Chuck Beck, whose engineering and racing backgrounds helped shape the company’s approach to lightweight, relatively simple sports cars. The cars were produced by hand and were sold both as completed vehicles and, in some cases, as body kits. In 1985, Chamonix introduced the Super 90, a replica of the Porsche 356 C cabriolet. The company acquired the molds and production templates from CBP, relating to a design that had previously been produced by Envemo. The Super 90 retained the basic technical formula used by the Spyder: fiberglass bodywork, a tubular frame, Volkswagen mechanical components, a rear-mounted air-cooled boxer engine, front disc brakes and open-top bodywork. Early engines were reported at approximately 54 horsepower, with later versions reaching about 65 horsepower. Chamonix also produced the Speedster, a replica inspired by the Porsche 356 Speedster sports car introduced in the 1950s. The Speedster shared much of the Super 90’s mechanical architecture and became, together with the Spyder 550, one of the company’s principal products. The cars appealed to buyers seeking the appearance and driving character of classic European sports cars while using more readily available Volkswagen-based components and a locally manufacturable fiberglass structure. The company exported vehicles internationally and supplied body kits, extending its market beyond Brazil. Its production was artisanal rather than comparable to that of a high-volume automobile corporation. Reference material indicates that more than 2,500 vehicles bearing the Chamonix name were produced during the company’s history, although the available material does not provide a complete production breakdown or a current operating status. Beyond its Porsche-inspired replicas, Chamonix was involved in automotive development projects connected with Autolatina, Fiat and Lada. It was also associated with development work on the Lobini, a Brazilian sports car. These activities placed the company within Brazil’s broader specialist-vehicle ecosystem, where low-volume manufacturers and engineering firms developed niche sports cars, replicas and adapted vehicle projects. The available references do not establish a current product range, ownership structure, production volume or active sales operation.

History

Chamonix NG Cars emerged from Brazil’s specialist and replica-vehicle industry in 1981. Its founders were Milton Masteguin, a former constructor associated with Puma Cars, and Chuck Beck, an American automotive engineer. Masteguin’s earlier experience in racing-vehicle construction and Beck’s engineering background informed the company’s focus on lightweight, hand-built sports cars rather than mass-produced passenger vehicles. The company’s principal concept was to recreate the visual character of classic Porsche sports cars with locally produced fiberglass bodies and Volkswagen mechanical hardware. This approach allowed Chamonix to reproduce the proportions and styling of models such as the Porsche 550 Spyder and Porsche 356 while relying on components that were more accessible in Brazil and familiar to independent mechanics. The resulting vehicles were specialist products, produced in relatively small volumes and intended for enthusiasts. In 1982, Chamonix began manufacturing its version of the open-body Porsche 550 Spyder. The car used fiberglass bodywork over a tubular chassis and Volkswagen-derived mechanical components, including a rear-mounted boxer engine. The layout and construction reflected the company’s emphasis on simple, lightweight sports-car engineering and on maintaining the character of the original design without reproducing its original factory technology. A major expansion of the range came in 1985 with the Super 90 cabriolet, styled after the Porsche 356 C. Chamonix obtained molds and manufacturing templates from CBP, whose related design had previously been leased, launched and produced by Envemo. The Super 90 used the same broad technical formula as the Spyder: fiberglass construction, a tubular chassis, rear-mounted Volkswagen mechanicals, an air-cooled boxer engine and front disc brakes. Reported engine output began at approximately 54 horsepower and later reached about 65 horsepower. The Speedster, also produced from 1985, followed the styling of the Porsche 356 Speedster. It shared the Super 90’s basic mechanical configuration and became one of Chamonix’s principal products alongside the Spyder 550. Together, these models established the company’s identity in Brazil and in export markets as a producer of classic Porsche-style replicas rather than original Porsche automobiles. Chamonix supplied both completed vehicles and body kits and exported its products internationally. Reference material attributes more than 2,500 vehicles to the Chamonix name, although the cited information does not provide a detailed year-by-year production record. The business remained associated with handcrafted manufacturing, with Newton Masteguin identified as owner and director responsible for production. The company was also involved in broader automotive projects connected with Autolatina, Fiat and Lada, and participated in development work for the Lobini sports car. These activities suggest that Chamonix’s capabilities extended beyond replica bodies into low-volume vehicle engineering and project development. Until around 2011, the business was known as Chamonix Indústria e Comércio and was located in Jarinu, São Paulo state. Later references identify it as Chamonix NG Cars and place it in São Paulo. The available sources do not confirm whether regular production continues, identify a current corporate owner or document a current official website.

  • 2011

    Later corporate identity and location

    [1]

    By approximately this period, references described the business as Chamonix NG Cars rather than Chamonix Indústria e Comércio and associated it with São Paulo rather than Jarinu.

  • 1985

    Super 90 introduced

    [1]

    The company launched the Super 90 cabriolet, a replica inspired by the Porsche 356 C, using molds and production templates acquired from CBP.

  • 1985

    Speedster production begins

    [1]

    Chamonix began producing its Porsche 356 Speedster-inspired model, which shared the Super 90’s basic Volkswagen-based mechanical layout.

  • 1982

    Spyder 550 production begins

    [1]

    Chamonix began producing its fiberglass replica of the open-body Porsche 550 Spyder using a tubular chassis and Volkswagen-based mechanical components.

  • 1981

    Company founded

    [1]

    Milton Masteguin and Chuck Beck established the company in Brazil to develop and build specialist sports cars and classic Porsche-inspired replicas.

Products and positioning

A Brazilian low-volume specialist positioned around hand-built fiberglass replicas of iconic 1950s and 1960s Porsche sports cars, combining vintage styling with Volkswagen-based mechanical components and comparatively accessible construction and maintenance.

  • Classic sports-car replica · 1982

    Spyder 550

    The Spyder 550 was Chamonix’s early open-body replica of the Porsche 550 Spyder. It used a fiberglass body mounted on a tubular chassis, with rear-mounted Volkswagen-derived mechanical components and a boxer engine. The model represented the company’s core formula: classic Porsche-inspired styling combined with locally manufacturable materials and relatively accessible Volkswagen technology. It was produced as a hand-built specialist vehicle and was also associated with the company’s export and kit-car activities.

  • Convertible sports-car replica · 1985

    Super 90

    Introduced in 1985, the Super 90 was styled after the Porsche 356 C cabriolet. Chamonix acquired the relevant molds and manufacturing templates from CBP. The car followed the Spyder’s construction and drivetrain approach, with fiberglass bodywork, a tubular chassis, rear-mounted Volkswagen mechanical components, a boxer engine, front disc brakes and a convertible top. Reported versions used engines producing approximately 54 horsepower initially and about 65 horsepower in later form.

  • Open sports-car replica · 1985

    Speedster 356

    The Speedster was Chamonix’s replica inspired by the Porsche 356 Speedster, a lightweight open sports car associated with Porsche’s early 1950s range. Produced from 1985, it shared much of the Super 90’s mechanical specification, including fiberglass construction, a tubular chassis and Volkswagen-based rear-mounted powertrain components. Alongside the Spyder 550, it became one of Chamonix’s principal and most recognizable models.

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