1973 Ferrari 365 GTB/4 Daytona Competizione Conversion
- Engine
- 4-cam V12 with six twin-choke downdraft Weber carburetors, dry-sump lubrication
- Colour
- 'Giallo Fly' (yellow)
Chassis 16935 is a 1973 Ferrari 365 GTB/4 Daytona completed at the factory on 17 October 1973 to US specification and delivered to Luigi Chinetti Motors. Originally a road car, it was subsequently converted to Group IV Competizione specification by Roelofs Engineering at a cost of approximately $150,000. It has a documented competition history including victories at Italian historic events and appearances at the Tour Espana and Modena Cento Ore, and carries a matching-numbers engine confirmed by the factory.
Ownership
- —Auction saleSold €567,500 (≈ $624K)
- 1973-10-17 → 1974Factory deliveryLuigi Chinetti Motorsfull documentation
Car was completed to US specification and delivered directly to this dealership, which actively campaigned Daytonas in period competition.
- 1974 →Private saleWilliam Phillipspartial documentation
Pennsylvania-based owner who acquired the car in spring of that year.
- 1989 →Acquisition unknownDutch owner or ownerspartial documentation
Car was imported into the Netherlands in a worn condition and held by one or more Dutch owners across the following decade.
- → 2003Acquisition unknownMajor European Ferrari collectionpartial documentation
Noted European private collection that also housed an original factory Daytona Competizione; during this ownership the car was fully restored and converted to Group IV specification by Roelofs Engineering at a cost of approximately $150,000.
- 2003 →Private saleFirst Swiss ownerpartial documentation
First of three successive Swiss custodians; ongoing maintenance was documented with invoices tied to event participation.
- 2015 →Acquisition unknownFrench-domiciled ownerpartial documentation
Based in France; entered the car in two rounds of the Classic Endurance Racing series. FIA HTP papers had been obtained in 2014.
- Date unknownAcquisition unknownArnold Belsikpartial documentation
East Coast US collector who held the car at some point during the 1970s.
- Date unknownAcquisition unknownSecond Swiss ownerpartial documentation
Part of an unbroken chain of three Swiss owners with consistent servicing records.
- Date unknownAcquisition unknownThird Swiss ownerpartial documentation
Final Swiss custodian before the car moved to France.
Competition
- 20002000 Italian Historics at Zandvoort1st
Debut outing following the Group IV conversion; car beat a 250 GTO, short-wheelbase Ferraris, and a Bizzarrini 5300 GT.
- 2015Classic Endurance RacingClassic Endurance Racing
Car competed in two rounds of this Peter Auto-organised series while based in France.
- —Tour España
One of several events attended during the Swiss ownership period, evidenced by maintenance invoices in the history file.
- —Modena Cento Ore
Additional event participation during the Swiss ownership period, also supported by service documentation.
Maintenance & restoration
- 2014Inspection
FIA Historic Technical Passport granted, formally certifying the car for historic competition.
Bidders advised to consult the auctioneer regarding the current validity of these papers.
- 2022InspectionDK Engineering
Eight-hour pre-purchase inspection conducted; report included in the vehicle's history file.
- —RestorationRoelofs Engineering
Comprehensive rebuild and conversion to Group IV Competizione specification, carried out shortly after the car entered the European Ferrari collection; total expenditure was approximately $150,000 according to Ferrari historian Marcel Massini.
Work transformed the car from a tired road car into a period-specification Group IV racing machine.
- —Service
Ongoing maintenance throughout three successive Swiss ownerships, with invoiced records corresponding to competition use at various events.
Invoice file available as part of the car's documented history.
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