Lambda was an Argentine manufacturer, Lambda S.A., based in Avellaneda, Buenos Aires Province, that built the Manta, originally called the Manta TS, as a non-series, low-volume sports buggy with a fiberglass monocoque body and two doors. Around 50 units were built. The Manta used a rear-mounted, longitudinal Renault 1,397cc four-cylinder engine, taken from the Renault 12, producing 71 horsepower through a Solex carburetor and driving the rear wheels. It had…