1989 Twin Turbo Callaway Aerobody Corvette #10

RPO B2K Twin Turbo option package. Prototype front mounted Charge Air Intercooler. This Unique Callaway, serial 1989 010 is believed to be the second fastest Callaway ever. The fastest was the record breaking [254] mph Sledgehammer. [This Callaway Corvette was] tested by Callaway at 215 mph on a closed road [in] Old Lyme Connecticut.

Power and Performance

• Power:  584bhp @ 5400 rpm
• Torque:  647 lb-ft @ 3500 rpm
• Maximum boost:  56" Hg absolute



• 0-60 mph:  4.1 seconds
• ¼ mile:  11.87 seconds @ 127 mph
• Top speed:  215 mph
  Above acceleration figures are with street tyres.

Callaway Twin Turbo Engine

• Twin Garrett turbochargers with integral wastegates
• Twin front mounted oversized ram-air Spearco charge air coolers
• Special dual inlet air induction system with high flow K&N air filters
• Special 3" dia. Free flow Turbo exhaust system with crossover for export
• Stainless steel 3" diameter inlet 5" can Supertrapp mufflers
• Heavy duty cooling system with aluminium Griffin racing radiator
• Alfa-laval 10 plate oil to water engine oil cooler
• Accel/dfi engine management system with Callaway calibration
• Racing Electronic Services accel/DFI-GM E.C.U. adaptor system
• Bosch injectors, 51.24 PSI at 60 lbs of fuel pressure
• Callaway prototype hood with charge-cooler air extractor openings
• Callaway prototype Ram-Air high flow capacity nose
• Callaway carbon fiber "twist" air inlet
• Callaway carbon fiber charge cooler extractor ducts
• L-98 engine block, 4 bolt main caps, splayed-bolt style
• Michigan engine bearings
• Forged gas nitrided crankshaft, 60Rc journal hardness
• Proprietary cosworth forged pistons, .006" O/S
• Plasma moly ring package
• Carillo connecting rods, 5.7 centers, matched and balanced
• Experimental short runner fuel injection inlet manifold
• High volume oil pump
• Hydraulic roller lifters
• Specially hardened distributor drive gear
• Dry sump pump for turbo oil scavenge
• Oversize stainless steel inlet (2.020) and exhaust (1.600) valves
• Corvette L-98 cylinder heads killer ports, gas flowed and decked
• Dymag 17.0 X 9.5" wheels
• Goodyear P275/40 zr 17 tires
• Callaway fuel and manufacturer's plaques
• Refinish intake manifold/tuned port injection with black wrinkle finish