Description :

Engineering meets endurance. Stuttgart’s specs, straight from the source. This rare trio of vintage Porsche documents offers a deep dive into the factory-issued specifications and performance data for the 1970 model year, with a focus on the 911 S and 914/6 models used in motorsport applications. Issued by Dr.-Ing. h.c. F. Porsche KG, Stuttgart-Zuffenhausen, the set includes 'Sport Purpose' catalog, laminated gear charts, homologation paperwork, and internal sale listings—ideal for collectors, historians, and restoration purists.

•  Includes: • Laminated gear ratio and speed chart for 5-speed transmission (185/70 VR 15 tire spec, 7:31 final drive) • Factory binder: Information Regarding Porsche Vehicles Used for Sports Purposes (911 S / 914/6) • Original printed document: Liste für den freien Verkauf dated March 31, 1970, signed by Porsche KG

• Technical Highlights: • “Geschwindigkeitsdiagramm” (speed diagram) with RPM-to-gear mapping • Homologation specs for European and American variants • Engine types: 911/02 (911 S), 901/38 (914/6) • Official production and release data from Porsche’s racing division

•  Dimensions: Vary by piece; laminated chart approx. 11" × 14"

•  Condition: Light vintage wear; laminated chart clean and intact; printed documents show age toning

•  Provenance: Directly tied to Porsche’s motorsport homologation efforts in the early 1970s, these documents reflect the brand’s meticulous engineering and regulatory compliance for competitive use.

Whether you’re restoring a period-correct 911 S, researching Porsche’s racing lineage, or curating a motorsport archive, this lot delivers factory-grade insight with historical gravitas.