Hey! I’ve not experienced that no, certainly seems very noticeable from the video on the forum. Did you change the diff fluid yourself? I know the fluid level is critical and as its capacity is so low even a slightly incline can throw it off so maybe worth checking. Like you mention could also be the friction modifier in the oil not working well with the pre load that has been set in certain diffs maybe?
Yeah the lotus’s that I’ve experienced certainly don’t have that magic ride that most journalists claim. However they are very particular and subtle changes can make a big difference. The front anti roll bars as standard are solidly mounted using a delrin (hard plastic) bushing so there is no give, combine that with very little weight and front suspension travel isn’t ideal on our shocking roads. Lotus also revised the front roll bar mount design/position on later cars and I replaced the delrin with a polybush insert which was transformative. As you will know the wishbone rubber bushings become brittle with age so I don’t think they helps either. Essentially one car can be completely different to another based on so many different factors to a great degree I’ve found with any other car type. Great things though, the level of connection and feedback was sublime.