Porsche 911 Modified
Gallery Details Specs Inquiry

Porsche 911 Modified

Racing car, 1977

Highlights

  • Neuaufbau DERKUM /CHRZANOWSKI
  • Gruppe 5
  • 3,8 L Rennmotor

  • Derkum / Chrzanowski RSR
  • Porsche 911 RSR Group 5
  • Rebuilt without regard to cost
  • DMSB vehicle pass

Frame-off restoration on 1977 body Production period 2023-2024 by Chrzanowski Racing

Engine & drive:

Engine and transmission construction carried out by Horst Derkum

  • 3.8 L racing engine
  • • 430 hp
  • • 433 Nm
  • Torque VGS diagram available. (2025)
  • 5-speed 915 transmission with external oil cooling

Automatically translated by DeepL. View original version (DE)

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DEGermany
PS G.Chrzanowski e.K.
Max Planck Ring 17
40764 Langenfeld
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The vehicle in detail

Chassis & Brakes
• Rear turbo swing arm
• Bilstein suspension, 3-way adjustable/adjustable
• Front axle 330 mm brake discs
• Adjustable balance bar

Tank & Weight
• 120 L FT3 safety tank (Continental)
• Vehicle weight 970 kg

Rims BBS central locking (NEW)
• Front 10.5 × 16
• Rear 14 × 16 

Races
• Only 2 race inserts Belmot Oldtimer Grand Prix 2025

Sale or rental

The vehicle is available for sale as described, or can be rented for racing in the DHLM.

Optional: Rental incl. PRO driver

(e.g., for the 24h Classic – "Overall Winner Vehicle").

Porsche 911 Modified Porsche 911 Modified Porsche 911 Modified Porsche 911 Modified Porsche 911 Modified Porsche 911 Modified
+2
Porsche 911 Modified Porsche 911 Modified
Photo credits: Chrzanowski Racing

Specifications

Year of construction: 1977
Model: 911 Modified
Body: Racing car
Series: 911 Backdate/Modified
Mileage: 529 km
Power: 430 HP
Cylinder capacity: 3.8 Liter
Steering: left
Transmission: Manual
Drive: Rear drive
Fuel: Gasoline
Exterior color: White
Manufacturer color code (exterior): Grandprixweiss 908
Condition: Accident-free, Fully restored
New / used: Used car
Ready to drive: yes
Car location: DEGermany

More information

Elferspot magazine:
Porsche Backdate/Modified
More magazine articles:
Klassik Expertise – The Porsche-loving car buying consultants
Importing the car?
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Elferspot Events:
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Porsche Book: RGruppe Limited Edition 700

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Porsche Book: RGruppe Limited Edition 700

Details

Interested? Contact the seller!

Car inquiry

Interested?

Simone Chrzanowski

Simone Chrzanowski from PS G.Chrzanowski e.K. looks forward to your questions and is happy to help you.

Porsche 911 Modified

Porsche 911 Modified

Price: on application
DE1977

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