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35 is about right to start with with a small block. My 360 ran best at about 32. IMO 50 is too much.
Not with vacuum advance included it isn't. I hope everyone realizes that phasing the rotor only adjusts it in one specific point and that as timing is added or taken away (be it vacuum or mechanical advance) the phasing changes. Unless you are running a locked rotor or running a race only setup phasing a rotor is not something to sweat. In a street car it's a waste of time unless the rotor is so far off that it's a manufacturing defect.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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