lotus33The Lotus 33 was closely based on the 25, and the specifications of the two cars appear similar but with the advent of wider Dunlop tires mounted on 13in wheels drove a need forPage 1 of 2 - The differences between the Lotus 25 and 33 - posted in The Nostalgia Forum: I’m wondering if anyone knows exactly what changed between the Lotus 25 and the 33? I’ve found lots of fairly vague