I am working on a number of 1 series gearboxes at the moment. One of the problems is the absence of a supply of the foam part that plugs the hole where the selector goes into the cabin. I had a very brittle surviving part, probably the only one I have seen intact, and I could not find a new source.
I have used the one I have to make a mould, and then cast them using high temp oil resistant silicone expanding
foam compound. I am keeping the mould d if any one else is still playing with one series cars. It has worked out pretty well. The foam costs around $100, enough to m