Already ahead of you on the vacuum lines. New rubber line for all the vacuum routing and the fuel lines has been ordered. My initial work back in the beginning of winter found either cracked or deteriorated lines.
Carb adjustments are made by placing the computer in a set mode which locks the timing and lean/rich adjustment to a known static value, then it's the usual method of setting the idle adjustment, unless they've also tempered with the metering pins and jets, in which case it might be better to just rebuild the carb.
