1973 Porsche 911 Carrera RS 2.7 (M472 Touring)
- Engine
- 2.7L flat-six with Bosch mechanical fuel injection, 210 bhp at 6,300 rpm (later rebuilt to 2.8L with 92 mm pistons)
- Colour
- Signal Yellow over black leatherette

A 1973 Porsche 911 Carrera RS 2.7 in Touring specification (M472), finished in Signal Yellow over black leatherette and one of only 87 built in that colour combination. Originally delivered in Germany in April 1973, the car passed through several documented American owners and received a comprehensive bare-metal restoration in Germany in the mid-1980s. A later concours-quality restoration returned it to factory-correct colour and specification, and it subsequently took Best in Class and Grand Award honours at the 2016 Concours d'Elegance of Texas.
Ownership
- —Auction saleEstimate US$750,000 – US$850,000
- 1973-04-01 → 1978Factory deliveryFirst German ownerpartial documentation
Took delivery new in Germany; drove the car approximately 58,640 km over roughly five years before selling.
- 1978 →Private saleSecond owner, German collectorpartial documentation
Placed the car in dry storage from acquisition until 1985, then commissioned a full restoration by specialist Hartmut Burhop at Automobil Conversion in Ganderkensee, including a bare-metal respray, engine overhaul, and suspension refresh.
- 1988 → 1993Acquisition unknownJames Ladwigpartial documentation
Registered the vehicle in Melrose, Illinois after it was brought to the United States; the car was in US registration by late 1988.
- 1993 →Private saleJeffrey Provalpartial documentation
Had the bodywork resprayed in dark green during his ownership.
- Date unknownPrivate saleMark Lunenburgpartial documentation
Based in Farmington, Connecticut; engaged Jim Newton of Canton, Connecticut, to carry out a two-year concours-grade restoration to factory specification and original Signal Yellow colour.
- Date unknownAuctionBruce Canepapartial documentation
Restorer and collector based in Scotts Valley, California; bought the car at a Texas auction, entered it in the 2016 Concours d'Elegance of Texas, then serviced and detailed it in California before selling.
- Date unknownPrivate saleCurrent ownerpartial documentation
Acquired from Canepa; car presented in original Signal Yellow with refinished Fuchs alloys and updated chain tensioners.
Competition
- 20162016 Concours d'Elegance of TexasBest in Class and Grand Award
Car was entered among outstanding lots from a Texas auction; achieved two top ribbons at the event while under Bruce Canepa's ownership.
Maintenance & restoration
- 1985RestorationAutomobil Conversion (Hartmut Burhop)
Full bare-metal strip and respray with minor rust rectification carried out. Engine rebuilt with a replacement crankshaft and larger-bore Mahle pistons bringing displacement to 2.8 litres; new oil pump, fuel-injection pump, distributor, generator, fuel pump, flywheel, and clutch fitted. Brakes and suspension overhauled, new Bilstein dampers installed, and a new front oil cooler added.
Work carried out in Ganderkesee, Germany on behalf of the second owner following several years of dry storage.
- 1993Bodywork
Exterior resprayed in dark green, departing from the factory-correct Signal Yellow finish.
Carried out during Jeffrey Proval's ownership.
- 2016Service
Serviced and cosmetically detailed following acquisition at the Texas auction.
Carried out by or on behalf of Bruce Canepa in California prior to the car's onward sale.
- —RestorationJim Newton (Canton, Connecticut)
Two-year concours-quality restoration returning the car to factory-original specification and correct Signal Yellow colour, carried out over approximately two years.
Commissioned by Mark Lunenburg; the car had accumulated only a few hundred miles post-restoration before its subsequent sale.
- —Mechanical
Engine updated with pressure-fed chain tensioners to improve long-term reliability.
Timing of this modification is not specified in the catalogue.
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