1988 Factory B2K Callaway Twin Turbo Convertible

VIN: 1G1YY3183J5115531
Sale Type: Consignment
Price on Request
Awards: Several NCRS Regional and National Top Flights in excess of 97, Regional Performance Verification, Final National Top Flight of 98 and receipt of the McLellan Mark of Excellence. One of only two 1988 B2K Callaways to receive this award. The McLellan Mark of Excellence award was created by the National Corvette Restorers Society in 1997, in honor of Mr. David R. McLeIIan, long-time Chief Engineer for me Chevrolet Corvette, who retired from General Motors in 1996. The McClellan Award recognizes individuals for the restoration and preservation of 1975 - 1992 Corvettes.. To achieve this coveted award, an owner must attain a judging score of at least 97% out of 100 based on an original "as manufactured" standard at a National or Regional NCRS event; as well as present the car for a rigorous performance test of all vehicle mechanical components and functions, an of which must operate as those of a new car, without a single failure. FinalIy, the car must again score at least 97%, at a National NCRS Convention, to receive the McLellan Award. The process Of achieving me McLellan Award requires attendance at a minimum of three events, and must be completed within a three year period. Currently only 125 Corvettes have achieved the McClellan Mark of Excellence. Dave McLeOan has personally awarded the special plaque bearing his name at our annual NCRS National Convention and signed the hood of this vehicle.
Options: B2K- Callaway Twin Turbo conversion RPO. See Service Parts Identification Label included with photos for complete list of options, this vehicle is loaded.
Color: Dark Metallic Blue
Horsepower: 382

The C4 Corvette had highly sophisticated engine management and fuel injection systems, ABS that produced astonishing braking and the ability to pull almost a full G on the skid pad, but Corvette’s Chief Engineer Dave McLellan believed that more power was always a Good Thing. Knowing Reeves Callaway’s flair for turning stock Corvettes into twin turbocharged land missiles capable of 200 MPH (eventually increasing to over 250 in the famed Sledgehammer), McLellan authorized  a factory listed Callaway RPO that ran from 1987 to 1991. Designated RPO B2K, the Callaway Twin Turbo option was originally offered at a cost of $25,895, limiting it to customers with the means to afford almost the equivalent of two Corvettes. The Twin Turbo was available through select Chevrolet dealers; fully assembled Corvettes were shipped from the factory to Callaway’s Old Lyme, Connecticut facility where technicians transformed the production engine with twin IHI water cooled turbos and air to air intercoolers. The car’s inherent sturdiness meant no drivetrain mods were required, and the only visual clues were Callaway badges and a boost gauge inside but its potency was there for all to witness. Rated at 382 HP and 562 lb-ft of torque, the Twin Turbo hit 60 MPH in 5 seconds flat and exploded to a top speed of almost 180 MPH.

Stunning and simply as new this 1988 Callaway Twin Turbo Corvette with less than 22,800 miles, always been part of a Corvette collection and has received regular dry weather use and climate controlled storage. A truly amazing car to drive, the RPO B2K was the only time in Chevrolet’s history that a specialist manufacturer was entrusted with a technically advanced, high performance RPO. The 1987-1991 Callaway. GM even went so far as to cover the Callaway conversion under their standard 12-month/12,000 mile warranty. Production of the 1988 Callaway Corvette according to the Corvette Black Book was 125 units built the last year for the Doug Nash 4 plus 3 manual transmission and the first in which 17-inch Dymag wheels were standard equipment. While Callaway shows the 1987-1991 final production at 509 Corvettes, the total that was ordered through the Bowling Green plant was lower due to a few factors. These factors included many dealers sent cars already in the process of delivery to their stores, or may have been on their lot and were used to “prime the system,” as Reeves Callaway has explained to us. “Callaway Cars was under obligation to deliver a product, and we did so by taking some cars in after they left the Bowling Green Assembly Plant.” These cars would not have had the RPO code in the glovebox. Individuals could also send in their own Corvettes to Callaway in Old Lyme for what is called a “Direct Conversion”.  In 1988 105 cars were ordered with RPO B2K, while Callaway records show 125 cars constructed. Bowling Green records showed 50 coupes and 55 convertibles made while Callaway records showed 60 coupes and 65 convertibles.  Which means there were only 55 factory B2K Convertibles built I 1988. This car carries the fabled B2K code on the label in the glove box, confirming this is one of the original 55 B2K Convertibles built in 1988. One of the rarest and best judged by the best and validated as the best.

Window Sticker, Factory Build Sheet, Callaway Purchase Order, Callaway Production Order, Callaway Build Data {1987-1991). 1988 Corvette Service Manual, 1988 Electrical Diagnosis Service Manual, Corvette Owners Manual, Callaway Owners Manual, Factory Square and Oval Keys with Knock Outs, GM Cassette Tape, Original Carpet Floor Mats, Spare Wheel, Lug Wrench, Jack, Plastic Bag and Spring Retainer, Rear Compartment Tie-down Strap, Front “Corvette” License Panel Insert, Miscellaneous GM, Callaway Promotional Information and Ownership.