Thanks. Depending on what we find tomorrow, I may contact these chaps.
Fingers crossed for my mechanic to recover by tomorrow, he seemed quite ill today.

Not sure whom you think of. I'm not in good terms with Clive, he let me down at ebay, no money, he was less than helpful when I have not received his item after a month and ever. This is another story, but I won't address him.

Thanks Paul. Budapest, Hungary

I'm unsure too. You may be right with the servo, but I'm still doubting that anything under can do the trouble. Forcing the symptoms will cause both fronts get equally hot as hell, and I cannot imagine what else can do that than the MBC (or servo). I wish I were more aware of MBC principles... The t...

Thanks Paul. Certainly the entire brake system is going to be checked, but caliper pistons and flexi hoses cannot be suspected in my opinion, regarding the fact that all four front pistons will work fine again after depressurizing the MBC, whatever heavy use they had before. I will check the servo a...

Hi, I've got weird symptoms recently with '67 420G (LHD). In hot weather or using the brakes more intensively both front wheels get stuck after a while. The brake pedal gets hardened up, as if the brakes were activated, and indeed both front brakes are under pressure. Waiting an hour or so will make...