1973 Porsche 911 2.8 RSR
- Engine
- 2.8L flat-six
Chassis 9113100481 is a 1973 Porsche 911T, originally delivered to the United States, that has been comprehensively converted to 2.8 RSR specification by German specialists Scuderia-Eleven, with the engine prepared by Bienert Boxer-Motoren. The 2.4-litre flat-six was replaced by a 2.8-litre unit producing approximately 265 bhp with mechanical fuel injection and dual ignition, housed in bodywork fitted with composite panels, wide-arch wings, and a welded roll cage. UK-registered with historic vehicle status, it carries FIA competition papers and a DMSB Historic Technical Passport.
Ownership
- 2020-02-21Auction saleSold £90,000 (≈ $113K)
- 1991 →Acquisition unknownPatricia J Vanleenpartial documentation
Registered owner based in Baton Rouge, Louisiana. The extent of her tenure beyond 1991 is not stated; the car was subsequently shipped to Germany in late 2009.
- 2009-10-01 → 2010-07-01Acquisition unknownS & N Automobilzentrum Aachenpartial documentation
German automotive dealer that received the car upon its return from the United States; served as the intermediary before the following private owner acquired it.
- 2010-07-01 → 2017-10-01Private salePrevious private owner (well-known racing driver)partial documentation
An experienced racing driver familiar with genuine RSRs who commissioned the full RSR-specification conversion during this seven-year ownership; sold the car through a Silverstone Auctions Porsche sale in October 2017.
- 2017-10-01 →AuctionCurrent vendorpartial documentation
Acquired at the October 2017 Silverstone Auctions Porsche sale; has enjoyed the car for approximately two years before consigning it for the present sale.
Competition
No competition history extracted from the catalogue.
Maintenance & restoration
- 2010RestorationScuderia-Eleven
Full conversion from standard 911T to 2.8 RSR specification, encompassing engine replacement and rebuild to 2.8 litres with mechanical fuel injection and dual ignition, fitment of a five-speed short-shift 915 gearbox and ZF limited-slip differential, upgraded suspension with adjustable components and polyurethane bushes, composite body panels, wide-arch wings, polycarbonate glazing, and a welded multi-point roll cage with full interior safety equipment.
Engine work carried out separately by Bienert Boxer-Motoren. Final chassis set-up completed by Kadach.com for Harry Utesche at DLS Automobile in Stuttgart. Work initiated after the car arrived in Germany in late 2009.
- 2010Engine rebuildBienert Boxer-Motoren
Original 2.4-litre 911/51 engine removed and replaced with a 1974/75 911/41 unit bored out to 2.8 litres, compression ratio raised to 10.8:1, producing approximately 265 bhp via mechanical fuel injection and dual ignition.
Workshop has over 25 years of experience preparing air-cooled Porsche engines.
- 2012Inspection
FIA Technical Passport issued for the car in competition GT configuration, class GTS27.
Papers described as still current at time of cataloguing.
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