All of the laps that Lewis had led were in the 1966 and 1967 NASCAR Cup Series seasons .
The worst season for this driver was the 1964 NASCAR Grand National season where he finished in 142nd place for championship points .
All of the laps that Lewis had led were in the 1966 and 1967 Grand National     seasons .
The worst season for this driver was the 1964 NASCAR Grand National season where he finished in 142nd place for championship points .