1965 Porsche 911 (F-series)
- Engine
- 2.0L air-cooled flat-six, uprated to ~195 bhp, Solex 40 PI carburettors, CNC-ported heads
- Colour
- Maritime Blue
A 1965-model-year Porsche 911 2.0-litre coupé that underwent a significant transformation in Germany during the 1990s, when experienced Porsche engineers Oliver Bienert and Manfred Rugen converted it into a track-focused machine with a roll cage, Recaro seating, and a uprated flat-six producing around 195 horsepower. Finished in Maritime Blue, it received FIA Historic Vehicle Identity Form papers in 1996 and was driven by rally legend Walter Röhrl in that year's Bavaria Rallye Historic. Subsequent ownership brought further mechanical development, including a comprehensive engine rebuild between 2020 and 2022.
Ownership
- —Auction saleEstimate €100,000 – €150,000
- 1996 → 2013Acquisition unknownGerman owner or owners post-1996partial documentation
Vehicle passed between German owners during this period; no further detail given about individual custodians.
- 2013 →Private saleGerman owner from 2013partial documentation
Purchase in 2013 prompted further mechanical development; engine was refined by former Porsche Motorsport engineer Hoeing, with the track setup softened toward a more road-usable rally configuration.
- Date unknownGerman owner at time of restorationpartial documentation
Car returned to Germany and entrusted to engineers Bienert and Rugen for racing conversion; restoration completed in 1996 with FIA papers granted.
- Date unknownAcquisition unknownConsigning ownerfull documentation
Had the flat-six fully rebuilt by Hoeing between 2020 and 2022, with new pistons, cylinders, CNC-ported heads, forged rocker arms, and other components; invoices on file cover this work.
Competition
- 19961996 Bavaria Rallye HistoricDriver: Walter Röhrl
First competitive outing after the 1996 restoration and FIA homologation; Röhrl drove the car in this historic rally event.
Maintenance & restoration
- 1996RestorationOliver Bienert and Manfred Rugen
Full conversion to track specification by Oliver Bienert and Manfred Rugen: bodywork modified for racing with weight reduction, roll cage fitted, Recaro seats installed, interior prepared for competition use, and the air-cooled flat-six uprated to approximately 195 horsepower. Exterior refinished in Maritime Blue.
Work resulted in the car receiving FIA Historic Vehicle Identity Form papers upon completion.
- 2013MechanicalMatthias Hoeing
Large portions of the car rebuilt by hand while preserving the motorsport configuration. Engine modifications by former Porsche Motorsport engineer Matthias Hoeing included replacement of camshafts and rocker arms with 911 S-specification components; the engine was not fully rebuilt at this stage.
The overall intent was to soften the strict track set-up into a more versatile rally and road-going configuration.
- 2020Engine rebuildMatthias Hoeing
Comprehensive flat-six engine rebuild by Matthias Hoeing completed between 2020 and 2022, including new pistons and cylinders, CNC-ported cylinder heads with new valve guides, seats and springs, forged adjustable rocker arms, and fibreglass tinware. Induction via Solex 40 PI carburettors and intake manifold; exhausted through a Schäfer system.
Detailed invoices covering this rebuild are held with the car's documentation file.
- —Maintenance
Installation of new seats, chromewear, and a new fuel cell, alongside other component renewals.
Carried out as part of the broader programme of work on the car; exact date not specified.
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