hipercon racing
The Hipercon 1982 Mazda Harrier RX 83-C
From DNF To First | Photo Gallery | HPC Driver Instructor Training
Current Specifications | Early History | Recent History
The first Harrier GTP car, and the world's first FIA GTP C-Junior

The Hipercon Mazda Harrier was pictured
in the August 1999 issue of
Vintage Motorsports magazine.
Read the behind-the scenes story:
From DNF
To First
about Dan Unkefer and the High Performance Concepts Mazda Harrier RX 83-C!
Browse through the HPC Racing
Photo Gallery
From DNF
To First
about Dan Unkefer and the High Performance Concepts Mazda Harrier RX 83-C!
Browse through the HPC Racing
Photo Gallery

Learn about the
HPC Race Driving and Instructor Clinics:
Preparing advanced drivers for instructing in Club events nationwide.
- FIA GTP C-Junior / IMSA GTP Lights
- 13-B Mazda 2 Rotor, Peripheral port, single dual-throat
- Down-draught Weber Carburetor. Very conservative configuration, ~260 hp
- Flat-bottom aluminum sheet monocoque
- Fiberglass body, fitted to a laminated Porsche 962 windscreen
- 1998 RALT Super V, KONI prototype adjustable coil-overs
- 13" x 1.2" disc brakes with quick-release, GIRLING master cylinders
- AEROQUIP and TEFLON fittings
- HEWLAND FGB Formula 1, 5-speed gearbox w/remote cooler
- New, dual, larger-capacity oil coolers and Davis radiator

Designed and built by Ray Lester for Mazda-UK
Events:
- Raced at Monza, Brands Hatch, and LeMans
- Class Win - C Junior @ Spa Francorchamps, Belgium
- Featured in World Sports Cars 1983-1987
- Seen in Derek Bell video "In-Car 956"
- Restored by Neal Harrison and Dave Dunn between 1997 and 1999
- Motor re-built in 1998 by Roger Mandeville
Events:
- 1st place in Payne Webber series, HSR @ Roebling Road
- 2nd place in Payne Webber series, SVRA @ Road Atlanta
- 2nd place in Payne Webber series, SVRA @ Watkins Glen
- Overall 2nd in class, 1999 Payne Webber Series Championship
- HSR July 2000 event, Virginia International Raceway:
- 5th place Overall
- 2nd in Class
- 14th Overall Sprint Race
- 3rd in class Rolex Enduro (co-driving with Dave Dunn)
- SVRA October 2000 event, Virginia International Raceway:
- 4th place overall, 1st in class
- Posted best lap time of race @ 2:01.445 on the full course
To be announced
Photo Gallery | HPC Driver Instructor Training
Current Specifications | Early History | Recent History