1977 Porsche 911 track car With 3.8L Flat-Six Makes Modern Porsches Look Tame

A heavily modified 1977 Porsche 911 Coupe has hit Cars & Bids, offering one of the most extensively race-prepared air-cooled builds currently on the market. The 1977 Porsche 911 track car is purpose-engineered for track duty, with a parts list that reads closer to a club-racing catalogue than a classic restoration.

Finished in a striking blue and black scheme, this car is a world away from road models like the current 911 Turbo S or even a modern GT3. With comprehensive documentation and a long-term owner (since 1999) listing the sale, this is a turnkey package for enthusiasts seeking an authentic vintage racing experience.

Here is a breakdown of the extreme engine and chassis modifications.

Engine, Drivetrain, and Electronics

Power comes from a 964-sourced 3.8-liter flat-six, which has been thoroughly rebuilt and is managed by a high-end racing ECU.

Component	Specification	Purpose
Engine	3.8-Liter Flat-Six (964 Sourced)	Upgraded with Mahle pistons, Pauter rods, and RS-spec valves.
Engine Management	MoTeC M600 ECU	Provides precise, tunable control over fuelling and ignition timing.
Exhaust	Custom Exhaust	Designed for maximum performance output and sound.
Transmission	5-Speed Manual	Features aftermarket internals, Tilton clutch, and a Hargett Pro-915 billet shifter.
Fuelling	Fuel Safe Systems Cell	Race-spec safety cell for track use.

Race-Ready Chassis and Interior

The suspension upgrades are arguably the most serious part of the build, taking inspiration from the legendary Porsche 935 endurance racer.

Suspension: Features an ERP 935 front suspension kit, FOX Racing shocks, aluminum rear control arms, and an ARB sway bar for aggressive cornering.
Braking: Brembo hardware with cooling ducts is paired with a Tilton brake-bias controller and AccuBrake anti-rear lock-up system for maximum stopping power.
Interior: The cabin is entirely race-prepped: a Sparco Pro 2000 seat, Schroth harness, 8-point roll cage, Tilton pedal box, and a fire-suppression system are all standard.

The final value proposition is compelling. For anyone seeking a turnkey race platform, this heavily documented 1977 Porsche 911 track car offers a direct route into vintage racing without the immense cost and labor of building a car from scratch.

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