I second the suggestion of the resistive wire still in place. MSD instructions tell you to bypass the resistive wire where it is going into their box. The voltage will be there, but when it is drawing current it will drop. Find that wire and bypass it.
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If you built it, drive it.
red 62 Tempest total stock restoration.
white 62 Tempest modified, 61 389 Tri-Power, and a conventional drive train.
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