Part of the problem may be in the 70 series tires. The 225/70 tire is almost 27.5 inches tall- this is why it is rubbing. I think the maximum recommended height for a front tire on a '69 is about 27 inches. If you use a 225/60 tire it will only be about 25.5 inches tall, and a 225/65 series tire is 26.5 inches tall.
You could approach this two ways- use a shorter sidewall tire (60 or 65 series) or install a spacer between the springs and frame to raise the car 1/2 to 1 inch for use with the 70 series tires.
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