1971 Chevrolet Chevelle SS Convertible - Matching-Numbers 350ci L48 V8

This 1971 Chevrolet Chevelle SS convertible was sold new via A-Plan to a GM employee by Reed-Draper Chevrolet of Bay City, Michigan and was acquired by the seller in 1984, reportedly from its second owner. A subsequent four-year rotisserie refurbishment by Ice Nine Group of Clinton Township, Michigan was completed in 2014 and included bodywork, a color change to Ascot Blue over White Elk vinyl upholstery, rebuilds of its numbers-matching 350ci V8 and three-speed automatic transmission, and more. Factory options include the Super Sport package, a power folding top, F41 performance suspension, a 2.73:1 Positraction differential, power-assisted steering and front disc brakes, and an AM/8-Track stereo. This Chevelle is offered with build sheets, owner's and service manuals, a refurbishment spreadsheet, car show trophies, and a clean Michigan title in the seller's name.

Originally Mulsanne Blue (26), the car was repainted in Ascot Blue (24) with white stripes (D88) during the refurbishment. Photos taken during the work can be seen in the gallery below along with those showing the power-operated white convertible top both raised and lowered. A video of the top in operation can be seen here. Factory options include tinted glass, SS-specific trim, and a driver-side sport mirror. A walk-around video is viewable here.

Kelsey Hayes 15″x7″ wheels wear reproduction Goodyear Polyglas GT radial tires, with a matching spare and jack fitted under the trunk floor. Power-assisted steering and brakes with front discs were optioned from the factory along with the F41 performance suspension package.

The cabin has been reupholstered from black to White Elk vinyl (743) using a PUI Platinum series interior kit. Features include a sport steering wheel (NK4), a Delco AM/FM/8-Track stereo (UM1), an electric clock, rubber floor mats, and more. Just under 99k miles are shown on the five-digit odometer, 10k of which have been added by the seller over 35 years. The windshield wiper motor is reportedly non-functional.

The matching-numbers 350ci L48 V8 was reportedly hot-tanked and overbored .030″ by GM Performance engineers prior to installation of 10.1:1 compression pistons, hydraulic lifters, rockers and a camshaft from Howards Cams, replacement bearings and seals, as well as a new oil pump and timing components. The stock cylinder heads were also hot-tanked, given a three-angle valve job, and fitted with new springs and rockers. The stock Rochester Quadrajet four-barrel carburetor was rebuilt using Cliff's High Performance metering rods, new jets, and an ethanol-resistant accelerator pump, while the Harrison radiator was fitted with a three-row core. An oil change was performed in May 2019. A start-up video is viewable here.

The engine shows stamping #K180111, which matches the VIN plate shown in the gallery. Period-correct underhood decals, tags, and assembly line-style paint daubs were added during the refurbishment.

The replacement three-speed TH350 automatic transmission is reportedly period-correct and was rebuilt by a GM Powertrain engineer with a B&M torque converter. Power is sent to the rear wheels via a Positraction rear end with 2.73:1 gears. A Waldron reproduction stainless steel dual exhaust system with factory-style resonators has also been fitted.

Three build sheets, owner's and service manuals, a refurbishment spreadsheet compiled by the seller, and car show trophies are included in the sale. The car was featured in a 2015 OnStar commercial and was a participant in the 2016 Ault Park Concours d'Elegance in Cincinnati, Ohio. A cold start and additional walk-around video are viewable below.

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