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Find of the Day: 1988 Chevrolet Corvette Callaway Twin Turbo Convertible
From the seller: “1988 Chevrolet Corvette C4 Callaway Twin-Turbo with 15,660 miles in dark red metallic (74U) with tan/red ...
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The C8 ZR1 Was Not The First Twin-Turbo V8 Corvette
When the C8 Corvette ZR1 was unveiled in 2024 ... For 1991, the final year for the twin-turbo C4 package, output rose again to 403 horsepower and 575 lb-ft of torque. The Callaway Twin Turbo ...