Table:
text: Jim Clark
Complete World Championship Formula One results
Complete World Championship Formula One results
Year_ Entrant Chassis Engine Pts_
1967 Team Lotus Lotus 49 Ford V8 41
1968 Team Lotus Lotus 49 Ford V8 9

text: Jim Clark
Complete World Championship Formula One results
Complete World Championship Formula One results
Year_ Entrant Chassis Engine Pts_
1960 Team Lotus Lotus 18 Climax I4 8
1961 Team Lotus Lotus 21 Climax I4 11
1962 Team Lotus Lotus 25 Climax V8 30
1963 Team Lotus Lotus 25 Climax V8 54 (73)
1964 Team Lotus Lotus 25 Climax V8 32
1964 Team Lotus Lotus 33 Climax V8 32
1965 Team Lotus Lotus 33 Climax V8 54
1965 Team Lotus Lotus 25 Climax V8 54
1966 Team Lotus Lotus 33 Climax V8 16
1966 Team Lotus Lotus 43 BRM H16 16
1967 Team Lotus Lotus 43 BRM H16 41
1967 Team Lotus Lotus 33 Climax V8 41

Question: Which chassis is younger than 1967 among Jim Clark's full Formula 1 World Championship results?