Chaparral 2J
The Chaparral 2J is a ground effect[5] Group 7 sports prototype race car, designed and developed by both Jim Hall and Hap Sharp, and built by American manufacturer Chaparral, which campaigned in the Can-Am Championship series, in 1970.[6][7]
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| Category | Group 7 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Constructor | Chaparral Cars | ||||||||||
| Designer(s) | Jim Hall Hap Sharp | ||||||||||
| Production | 1970 | ||||||||||
| Technical specifications | |||||||||||
| Chassis | Reinforced aluminum alloy monocoque, fiberglass body | ||||||||||
| Suspension (front) | double wishbones, coil springs over shock absorbers, anti-roll bar | ||||||||||
| Suspension (rear) | DeDion axle, leading arms, coil springs over self-levelling shock absorbers, anti-roll bar | ||||||||||
| Length | 145 in (3,700 mm) | ||||||||||
| Width | 78 in (2,000 mm) | ||||||||||
| Axle track | 60 in (1,500 mm) (front) 55 in (1,400 mm) (rear) | ||||||||||
| Wheelbase | 84–95 in (2,100–2,400 mm) | ||||||||||
| Engine | Chevrolet 427–465 cu in (6,997–7,620 cc) all-aluminum small-block OHV V8 naturally aspirated mid-engined, longitudinally mounted | ||||||||||
| Transmission | Chaparral 3-speed automatic/semi-automatic[4] | ||||||||||
| Power | 650–760 hp (485–567 kW) @ 6,800 rpm 650 lb⋅ft (880 N⋅m) @ 5,600 rpm | ||||||||||
| Weight | 1,800 lb (820 kg) | ||||||||||
| Brakes | Solid discs | ||||||||||
| Tires | Firestone Chaparral cast-alloy one-piece center-locking 16 in wheels | ||||||||||
| Competition history | |||||||||||
| Notable entrants | |||||||||||
| Debut | 1970 Labatt's Blue Trophy Mosport | ||||||||||
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References
- "1970 Chaparral 2J Chevrolet Specifications". Ultimatecarpage.com.
- "1970 Chaparral 2J technical and mechanical specifications". conceptcarz.com.
- "Petroleum Museum | Chaparral 2J". petroleummuseum.org.
- https://www.roadandtrack.com/motorsports/a32350/jim-hall-chaparral-2j-history/#:~:text=The%20Chaparral%202J%20is%20powered,weighs%20hardly%20over%201800%20pounds.
- AutoMedia, Collier (December 1, 2022). "The Chaparral 2J: The Can-Am series had seen nothing like it!".
- "Chaparral 2J".
- Annis, Casey (November 15, 2022). "The Astonishing Chaparral 2J".
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