At their 2009 Scottsdale, Arizona sale, Barrett-Jackson auctioned some GM Hertitage Collection cars, most under scrap titles. Among them was this Impala mule that was tested for possible production. It sold for $159,500.00.
The auction description was as follows:”Features a Donovan big block aluminum 572cid engine with Brodie heads that produces an estimated 673hp, a Tremec 5-speed transmission, Brembo front disc and production disc rear brakes, and Aluminum wheels with 11″ rims. Sold on a Scrap Title.
Features a Donovan big block aluminum 572cid engine with Brodie heads that produces an estimated 673hp with 710 ft/Lb of torque. Also has a Tremec 5-speed transmission, Brembo front disc and production disc rear brakes, Aluminum wheels with 11″ rims, Goodyear gsc 275 x 17 tires on 9.5″ rims (front) and Goodyear gsc 315 x 17 tires on 11″ rims (rear). Has a black exterior with silver striping, modified hood and ground effect package.”
In Detail
| type | Concept / Prototype Car |
| production | 1 |
| engine | Donovan V8w/Brodie Cylinder Heads |
| displacement | 9373 cc / 572.0 in³ |
| bore | 114.3 mm / 4.5 in |
| stroke | 114.3 mm / 4.5 in |
| compression | 13.8:1 |
| power | 574.2 kw / 770.0 bhp @ 6900 rpm |
| specific output | 82.15 bhp per litre |
| bhp/weight | 500.65 bhp per tonne |
| torque | 926.0 nm / 683.0 ft lbs @ 5200 rpm |
| driven wheels | Front Engine / RWD |
| front tires | 335/30ZR-18 Goodyear GSC |
| rear tires | 365/40ZR-18 Goodyear GSC |
| front brakes | Brembro Discs |
| front wheels | F 45.7 x 25.4 cm / 18.0 x 10.0 in |
| rear wheels | R 45.7 x 31.8 cm / 18.0 x 12.5 in |
| curb weight | 1538 kg / 3391 lbs |
| wheelbase | 2568 mm / 101.1 in |
| front track | 1605 mm / 63.2 in |
| rear track | 1600 mm / 63.0 in |
| length | 1582 mm / 62.3 in |
| width | 1600 mm / 63.0 in |
| transmission | Tremec 5-Speed Manual |
| gear ratios | 2.860:1, 1.936:1, 1.552:1, 1.295:1, 1.00:1 |
| final drive | 3.54:1 |
| top speed | ~370.1 kph / 230.0 mph |
| 0 – 60 mph | ~2.7 seconds |
| 0 – 1/4 mile | ~10.4 seconds |
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