How To: Restoration of Ford M8 armoured car US Ordnance number 7373

[Big D]

Hi Mike,

Thanks for the reply. I thought after writing that last update that the new cups I had made, were actually made to fit the sleeve bores so they must be a match to that diameter. That sort of rules out the idea that the bores are fractionally too big as those cups were matched to them. As you say, maybe they don't seal as well as the ones with the older material. I'm not sure. It seems strange. The brakes aren't rocket science so I am a bit baffled by the whole thing.