L48 350 motor, Numbers matching, 71,000 original miles, four speed manual transmission, tan leather interior, power steering, power brakes, crank windows, tilt and telescopic steering column, AM/FM/Cassette radio, alloy wheels, original air cleaner assembly, original valve covers, original ignition shielding, and much more. We changed the oil and filter, rear end grease and additive, and checked and lubed the chassis. This corvette will be a fun four speed for someone to cruise around in. GM produced 47,000 Corvettes in the 1978 (25th anniversary) model year. Out of the 47,000 produced, only 8,162 had the four speed manual transmission.