The Carrera RSR 3.0 is one of those rare and super-special Porsches, and one of the most successful Group 4 racing cars ever. Today the Carrera RSR models rank among the most sought after of all Porsche 911 variants.

The 1974-75 Porsche 911 Carrera RSR was the race-ready variant of the Carrera 3.0 RS, which continued as a privateer race car only, featuring a new 3.0-liter engine, the Type 911/75, capable of 330 hp. While roughly 54 cars were built in RS trim, an additional 55 examples were completed in RSR trim - dedicated lightweight racing cars intended ...

In 1974, Porsche created the Carrera RS 3.0, making 230 PS (169 kW). It was almost twice as expensive as the 2.7 RS but was much more of a track machine. The chassis was similar to the ’73 Carrera RSR and the brake system was from the Porsche 917. The Carrera RSR 3.0 was made in small numbers for racing.

Profile, history, photos and information about the Porsche 911 3.0 RSR, the 3-litre RSR was the most successful Group 4 car of its era.

2022年3月21日 · We drive the 1974 Porsche 911 3.0 RSR IROC to find out if it’s the best naturally aspirated 911 of all time.

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The Carrera RSR 3.0 is one of those rare and super-special Porsches, and one of the most successful Group 4 racing cars ever. Its combination of low weight, immense Porsche 917 brakes, impeccable handling, and a 330+hp naturally aspirated flat-6 that gave the model a power-to-weight ratio that would humble even the most mighty offerings from ...

For 1974, a new 3.0-liter engine with Bosch twin-spark ignition was employed, with a resultant power increase to 330 horsepower. The now-redundant 917 parts bin was raided for brakes and center-lock wheels, while flared wheel arches, a front air dam, and the now iconic “tea-tray” spoiler gave the RSR a very aggressive posture.

1974 - 1975 Porsche 911 Carrera RSR 3.0: 538-shot gallery, full history and specifications

Continuous development saw the RSR emerge in its definitive 3-litre form at the start of the 1974 season. As per the regulations, the Carrera RSR 3.0 was built around a production 911 shell. The racer did feature considerably wider wheel arches, a full-width front spoiler, which also housed the oil-cooler and the now legendary 'whale-tail' rear ...