1970 Porsche 914-6 FIA Specification
Chassis 9140431347 is a genuine Porsche 914/6, one of only 3,351 produced, originally delivered to Porsche Finland in April 1970 in Irish Green over black Leatherette. After spending most of its life in the United States, it was brought to the UK in 2006 and subsequently developed into a fully race-prepared car by specialists Historica, BS Motorsport, and Knöpfing Motorsport, the latter — an ex-Porsche Werks workshop — supplying and building a full race-specification 2.0-litre flat-six. The car features OEM steel arches, NOS factory GT panels, a roll cage, race fuel cell, and adjustable suspension, and holds UK registration with MoT and Historic Vehicle tax status.
Ownership
- 2019-02-23Auction saleEstimate £75,000 – £95,000
- 1970-04-01 →Factory deliveryPorsche Finlandpartial documentation
Original supplying dealer; the car was delivered new in Irish Green with a compact 380mm steering wheel and rectangular fog lights as the only noted options.
- 2005 →Acquisition unknownOwner in Pleasanton, Californiapartial documentation
The car was recorded on the Porsche 914/6 Registry as being located in Pleasanton, California in 2005.
- 2006 → 2010Acquisition unknownUK-based owner post-2006 importpartial documentation
Brought the car into the UK in 2006 and commissioned substantial work by Historica and BS Motorsport over a two-year period; all work is documented in the history file.
- 2010 →Private saleArmin Knöpfing / Knöpfing Motorsportfull documentation
Ex-Porsche Werks specialist who purchased the car and developed it to full race specification, supplying, building, and fitting the race engine and extensive supporting modifications; work is fully documented.
- Date unknownUnknown US owner(s)none documentation
The car departed Finland and spent the majority of its life in the United States; its precise chain of American ownership is not recorded.
Competition
No competition history extracted from the catalogue.
Maintenance & restoration
- 2006RestorationHistorica and BS Motorsport
Significant mechanical and restoration work carried out over approximately two years following the car's importation to the UK, with all operations documented in the vehicle's history file.
Precise scope of work is not detailed in the prose beyond being described as significant.
- 2010Engine rebuildKnöpfing Motorsport
A full race-specification 2.0-litre flat-six engine, using an original 914/6 Magnesium crankcase, was supplied, assembled to competition standard, and installed by Knöpfing Motorsport; the car does not retain its matching-numbers engine.
Build is fully documented. Engine features MSD ignition with coil packs, amplifiers, and electronic distributors, plus equal-length three-branch exhaust manifolds.
- 2010ModificationKnöpfing Motorsport
Comprehensive race preparation including OEM steel flared arches, NOS factory GT body panels and parts, race fuel cell, custom high-flow aluminium oil coolers, adjustable suspension with Bilstein dampers, braided brake lines, adjustable brake-bias valve, reinforced roll cage, Lexan windows, Minilite wheels, Recaro seat, and four-point harness.
Further preparation also credited to Historica, BS Motorsport, and Export 56.
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