I buck too (and wheel align)

[e2e]

>>> Anyway my 1990 200tqa has started to buck quite roughly at full boost (1.5
>>> on the dash gauge). Now I would naturally assume that it is the wastegate
>>> operating but the car hasn't displayed this trait before. Suggestions???
>>
>> spark plugs getting tired?  (a shot in the dark, one of many left over
>> from last night)
>
> My guess would be the hose to the centre chamber of the wastegate.

I think Phil wins the day as that hose feels a little mushy. What grade of
hose is it??
Don't slash your wrists though Huw, as I think you are correct also!
--
Sam Clarkson