I wouldn't be in a hurry to get rid of a vaccum advance. They work great for extra timing and efficiency at cruise. Greg is right, more initial is normally a good thing to increase carb signal. I have a custom bushing in my MSD that nets me 23 degrees initial. That cam doesn't look roudy enough to be a concern. I'd say you have really good engine vaccum and most of this talk should go in one ear and out the other.
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Todd
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