I agree with everything above. It is pretty hard to beat a factory style electronic distributor in every way, with the mods mentioned above. If you dont want to spend money on the advance limit plate you can just weld up the advance slots and file them to length, if you search advance slot length in fabo you will find the different dimensions for different amounts of mechanical advance. You basically want less mechanical advance which allows you to run more initial timing.
As a side note, make sure that your vacuum advance diaphragm isn't ruptured (suck on it, if it acts like a straw with the end open it is ruptured), and despite what some will say make sure that the advance diaphragm is hooked up, preferably to ported not manifold vacuum. Vacuum advance helps fuel economy and promotes better combustion which lengthens the life of your rings and cylinder walls.
