If you were able to drive the car for 1.5 hours, I would'nt start with the fuel pump, I would also look for un-metered air (vacuum leak). Get enough vacuum hose at the auto store to replumb all the lines, it's not expensive. You'll need various sizes. When you replace the hoses, look for any lines that are split or disconnected, and also any vacuum ports that may be open. If you find any, plug them with a little rubber cap. Then if you still have symptoms of a leak, start the car and spray some carb cleaner or starting fluid around the base of the carb and observe idle. If it speeds up temporarily while spraying, you have a base gasket leak. If you are going to change a bunch of things, (plugs, rotor, cap etc) briefly start the car after you change only one or two items. That way you'll know if you installed something defective out of the box or incorrectly.
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