Meant as a Christmas present for Piere Rivolta's wife Rachelle (LeLe) Rivolta, it was decided to put the car into production to succeed the IR 300. It was first presented to the public at the 1969
New York International Auto Show and was made to compete against the
Lamborghini Espada. Iso chose to replace the Chevrolet engine with Ford's
Cleveland V8 rated at . The automatic transmission was also sourced from Ford, while the manual transmission remained unchanged. The chassis was the same Bizzarrini designed unit which had found use in Iso automobiles since the IR 300. It had an unequal-length double-wishbones front suspension with coil springs while the rear suspension consisted of a de Dion layout with a Salisbury axle unit. Disc brakes were used on all four wheels and were mounted inboard on the chassis. The rear suspension had dual trailing arms and a Watts linkage which located the De Dion axle. Koni telescopic shock absorbers and coil springs completed the unit. The Lele came with a ZF
power steering which was the same unit used by
Maserati and Campagnolo magnesium alloy wheels, wrapped in 215/70 VP15 Michelin XWX tyres. The interior was upholstered in leather and came with creature comforts like air conditioning and electric windows along with plush carpeting. The
speedometer and tachometer were placed behind the steering column while an additional four gauges were present on the centre console which consisted of an ammeter, fuel gauge and water and oil temperature gauges. The car came with a hidden headlamp styling with popup covers partially covering the quad headlamp units when not in use. In 1973, the standard version (now known as Lele IR6) was joined by the Lele IR6 Sport, with an engine modified to generate and only available mated to the ZF 5-speed transmission. The engine had a compression ratio of 8.6:1, had a bore and stroke of 101.6 x 88.9 mm and had a redline of 5,800 rpm. The angular Gandini styled body and the comfortable nature of the car did little to help sales and only 285 cars were made. About 160 Ford-engined Leles had been built by the time production wound up in 1974 due to Iso's bankruptcy. == Lele IR6 Marlboro ==