It appears that this is the car that Jim Clark drove at the LA Times Grand Prix in 1965 (Ritchie Ginther sems to have been in chassis 40/L/1).
It was at this race that when Ginther was asked what the difference was between the Lotus 30 and 40. His answer was that they took the Lotus 30, made 10 more mistakes and called it the Lotus 40.
The car was sold to Dave Wolin following the Riverside race - Dave bought it from Colin Chapman for $2500 less engine. Dave installed a Chevrolet engine and says that the car was "one fo the worst cars I've ever driven in my life".
Dave drove the car at a rainy race at Mont Tremblant in 1968, finishing 15th against the likes of Mark Donohue, Lothar Motschenbacher, Chuck Parsons, Sam Posey, and Ludwig Heimrath.