My car has a non-standard setup - a Mustang cable operated clutch between an E-Type’s flywheel and a T5 manual gearbox.
The clutch works absolutely fine until the car has been out driving for just under one hour. After that there’s a major shudder/judder on starting off in first from stopped. So why does the problem only show up then? If the clutch has been contaminated (I am thinking it may be a slow rear main seal leak) then surely it’s contaminated all the time and the problem would show up immediately, wouldn’t it? What else might it be?
I have experimented a lot with adjusting the clutch cable but it did not affect this behaviour.