When I was in the mobile tuning game, I would always start with a compression test and end up with carb adjustment.
There are so many things that can affect running on these older cars.
Does the car 'hunt' when starting from cold (over-choke)
Always use NGK or Nippon Denso plugs.
Has the car got electronic ignition.
A weak or blocked accelerator pump jet can cause hesitancy
Tinkling noise is 'pinking' so get the ole timing light out.
You don't live anywhere near Cornwall do you stunorthants :)
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