Porsche 911 Backdate

Porsche 911 Backdate

Coupé, 1978

Highlights

  • Backdated RSR-style
  • Bluetooth Audio
  • Short Throw Shifter

A striking RSR-inspired Porsche 911SC finished in silver over black leather and microsuede, featuring aggressive backdated styling and a rebuilt 2.9-liter flat-six with modern fuel injection. Paired with a 915 five-speed manual transmission, upgraded suspension and brakes, and a driver-focused interior, this custom build blends classic Porsche character with enhanced performance and distinctive vintage racing appeal.

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The vehicle in detail

A striking RSR-style 911SC featuring extensive backdated bodywork and performance upgrades. Finished in silver over a black leather and microsuede interior, the car has been transformed with a fiberglass longhood, steel fender flares, ducktail decklid, fiberglass bumpers, Euro-style taillights, LED headlights, and black Porsche stripe graphics.

Power comes from a rebuilt 2.7-liter flat-six enlarged to 2.9 liters and equipped with a 3.2 intake, MegaSquirt electronic fuel injection, RS-style pistons, front-mounted oil cooler, and custom exhaust. A 915 five-speed manual transaxle with a Numeric Racing short shifter sends power to the rear wheels.

The chassis features 17″ Fuchs-style wheels measuring 9″ front and 11″ rear, Continental ExtremeContact tires, Bilstein rear coilovers, powder-coated suspension components, and Boxster-specification brake calipers.

The cabin is fitted with bucket seats trimmed in black leather and diamond-stitched microsuede, Rennline aluminum floorboards, MOMO Prototipo steering wheel, Bluetooth audio, Dynamat sound deadening, and rear-seat delete.

The non-functioning odometer displays approximately 67,000 miles; total mileage is unknown. Recent 2025 service included replacement of the fuel pump, fuel filter, fuel hose, and heater control wiring harness.

Specifications

Year of construction: 1978
Model: 911 Backdate
Body: Coupé
Series: 911 Backdate/Modified
Mileage: 67,000 mi
Cylinder capacity: 2.9 Liter
Steering: left
Transmission: Manual
Drive: Rear drive
Fuel: Gasoline
Interior material: Fabric/Leather combination
Interior color: Black
Exterior color: Silver
Condition: Accident-free, Fully restored
New / used: Used car
Ready to drive: yes
Registered: yes
Country of first delivery: United States
Car location: USUnited States
Elferspot ID: 6324097

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Porsche 911 Backdate

Porsche 911 Backdate

Price: USD 124,000
US1978

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