1987 Callaway Corvette - Project "Sledgehammer"
All 1987 Callaway-modified Corvettes have manual transmissions and none were California certified. Of the 184 built in 1987, 121 are coupes and 63 are convertibles.
Engine |
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| Type | Turbocharged and intercooled V8 iron block and aluminum heads | ||
| Bore/Stroke | 4.00 x 3.48-inches | ||
| Displacement | 350 cubic inches | ||
| Compression | 7.5:1 | ||
| Cooling System | GM Chevrolet electronic control system with port fuel injection and Callaway Micro-Fueler | ||
| Emissions Controls | 3-way catalytic converter feedback fuel-air-ratio control, exhaust gas recirculation (EGR), and auxiliary air pump | ||
| Turbochargers | Two Warner-Ishi RHB 52W | ||
| Waste Gate | Integral | ||
| Valve Gear | Pushrod with hydraulic lifters | ||
| Horsepower | 345 bhp % 4000 RPM | ||
| Torque | 465 lb-ft @ 2800 RPM | ||
| Redline | 5500 RPM | ||
Transmission |
4-Speed Manual with electronic overdrive | ||
| Gear | Ratio | MPH/1000 RPM | Max Speed @ RPM |
| 1st | 2.88 | 8.5 | 47 @ 5500 |
| 1st O.D. | 1.73 | 14.1 | 42 @ 3000 |
| 2nd | 1.91 | 12.8 | 70 @ 5500 |
| 2nd O.D. | 1.15 | 21.3 | 117 @ 5500 |
| 3rd | 1.33 | 18.3 | 101 @ 5500 |
| 3rd O.D. | 0.80 | 30.5 | 122 @ 4000 |
| 4th | 1.00 | 24.4 | 122 @ 5500 |
| 4th O.D. | 0.60 | 40.6 | 161 @ 3950 |
Dimensions and Capacities |
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| Wheelbase | 96.0 inches | ||
| Track, Front / Rear | 59.6 inches / 60.4 inches | ||
| Length | 176.0 inches | ||
| Width | 71.0 inches | ||
| Height | 46.0 inches | ||
| Frontal Area | 19.1 sq. ft. | ||
| Ground Clearance | 4.4 inches | ||
| Curb Weight | 3,304 lbs. | ||
| Weight Distribution F / R | 51.5% / 40.5% | ||
| Fuel Capacity | 20.0 gallons | ||
| Oil Capacity | 4.5 quarts | ||
| Water Capacity | 14.6 quarts | ||
| Fuel Economy | EPA City - 17 mpg EPA Highway - 24 mpg Combined - 19.0 mpg |
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