Legacy Metrics

1977 Porsche 911 Carrera RSR Replica

9117300546racingGermany
Engine
3.0L air-cooled flat-six, Type 930/10 crankcase, Bosch slide-valve induction, 325 bhp

A 1977-model Porsche 911 SC (first registered October 1976) that was comprehensively rebuilt to 1974 Carrera RSR specification in 2011. The conversion included a 325 bhp 3.0-litre engine built on a Type 930/10 crankcase with Bosch slide-valve induction, a Type 915 five-speed gearbox, Porsche 917-pattern Turbo brakes, Bilstein suspension, and glassfibre RSR-style bodywork additions. The car competed in the Belgian Historic Cup from 2012 to 2014, winning the Belgian Championship in 2014.

Ownership

  1. 2021-03-10Auction sale
    Sold €95,000 (≈ $105K)

    Bonhams catalogue lot →

  2. 2015 →Acquisition unknown
    Private collection
    partial documentation

    Car joined a private collection following its Belgian Historic Cup racing campaign and has been held there since at least 2015.

Competition

  1. 2012Belgian Historic Cup
    Belgian Historic Cup 2012

    Car participated in the Belgian Historic Cup series during its first season of competition following the 2011 RSR conversion.

  2. 2013Belgian Historic Cup
    Belgian Historic Cup 2013

    Mid-series campaign year as part of the car's multi-year Belgian Historic Cup participation.

  3. 2014Belgian Historic Cup
    Belgian Historic Cup 2014
    1st — Belgian Championship winner

    Car took the overall Belgian Historic Cup championship title in its final year of active competition.

Maintenance & restoration

  1. 2011
    Restoration

    The 911 SC underwent a thorough rebuild and upgrade to 1974 RSR specification, including installation of a 3.0-litre engine on a Type 930/10 crankcase with Bosch slide-valve induction producing 325 bhp, a Type 915 five-speed gearbox, Porsche 917-pattern Turbo brakes, Bilstein suspension, and glassfibre RSR-style body additions.

    Car was first registered 8 October 1976 as a 3.0-litre SC model prior to conversion.

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Each chassis record is compiled from public auction archives and links to its source material. Ownership, competition and maintenance entries are extracted from those catalogue listings by an LLM, which can make mistakes — please contact us with any corrections. The summary is Legacy Metrics’ own writing; we do not reproduce catalogue text.

“Full” and “partial” documentation labels indicate how well each entry is corroborated in the underlying sources, not an audit of the car’s physical paperwork. Names of recent or living owners are withheld for privacy.