Not done highly milos in an Isetta to know if the valve seats were really hard. I wonder if the heads came over assembled? More chance of good materials if they did. So that would be one up to the Isetta as the Heinkel valve seats erode, it would seem.
Little ends were mentioned for the comic interest of double beat rattling, which Marcus would quite like. Valves, well that was sorted for those who wished to invest in the answer, many years ago. My experience of Isettas was early on when I knew nothing and the cars were worth thrupence. I know more now but certainly no expert on Isettas as previously mentioned and I only studied as a student at the side of the road trying to get home. You ought to know my humour by now so do not be put out. Long my Thumper bring a smile to the streets of Essex.
Schmitts were built as a crap car, to a price. The more you work on them, the more you realise how clever yet crap they are. Yet they still manage to knock the spots off most of the competition. If I knew the answers as to how, why etc I would be a rich man by now. They just work well within their design limits where as most Microcars really do not, which is a reason for loving them. There something about a heroic failure that appeals as much as something that works well. The clever money owns a bit of both as you know.
