The Lotus 70 was a race car designed by Lotus for the

Formula 5000 Formula 5000 (or F5000) was an Open-wheel car, open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel ...

races. Originally designated the ''Lotus 68'', the car was designed by Martin Waide and introduced at the end of the 1969 racing season.

References

Formula 5000 cars 70 {{Autoracing-stub